However, these vacuum insulation panels (sometimes called VIPs) could make a great deal of sense in certain value-added products like refrigerators, freezers, water heaters, and entry doors. Whirlpool actually used a VIP that Owens Corning produced for a while (the Aura panel) in a high-efficiency refrigerator in …Vapor Control for Continuous Insulation – Zone 6. Looking to install continuous insulation with no cavity insulation on a tiny residential home in Zone 6. My question is, do I need a vapor barrier between the insulation and sheathing, or am I good with just taping and sealing the joints in the polyiso? thanks!When used for space heating, an air-to-water heat pump fills the role usually held by a boiler; it requires a hydronic (water-based) distribution system. The heat pump makes hot water; the hot water can be pumped through fin-tube baseboard units, in-floor PEX tubing, or a fan-coil unit. (A system with such a fan-coil unit is called a hydro-air ...Photo courtesy LP SmartSide. Writing in Fine Homebuilding magazine 22 years ago, Massachusetts builder Robert Weatherall described the pleasure of advancing from rough framing to running exterior trim. “It’s like decorating a cake or coloring in a picture,” he said. “After the rush of framing lumber and plywood, the trim is the welcome ...A typical two-stage condensing gas furnace has a turn-down ratio of less than 2:1. With most of these furnaces, the low-fire output is still 60% or more of the high-fire output. When a furnace with a low-fire rating of 60% is oversized by a factor of 1.7, you could cover 99% of the building’s heating needs at low fire.In conclusion, green building advisors specialize in helping organizations design, build, and operate sustainable projects. These advisors can provide a wide range of services, including sustainability assessments, energy audits, green building design and construction support, sustainability program development, and support for sustainability ... Armando Cobo is a zero-energy custom home designer, trainer, and building consultant with over 35 years of experience. Armando designs following the guidelines of DOE’s Zero Energy Ready Home program, The Building America Program, Build Green New Mexico, California’s Title 24, National Home Builders Association’s Green Building Program, and LEED for Homes, among others. Carter Scott was one of the first builders bold enough to build a cold-climate home heated by only two ductless minisplit units (one in the downstairs living room, and one in the upstairs hallway). Skeptics predicted that the unheated bedrooms would be cold and uncomfortable. Yet Scott was confident that the home’s excellent thermal envelope — …Moisture Management: Pretty Good Building Envelopes. The fundamentals of the Pretty Good House approach to handling water to protect a building from foundation to roof to ensure longevity. BS* + Beer.That will deflect water away from accumulating in the window wells. Secure them down so they don't blow away (e.g., with tent stakes). 5. Remember the importance of grading. Slope away from the foundation in all directions to avoid water pooling at the foundation perimeter. Check during intense or long rainy periods.Here are a few data points while the heat pump is running: • Noise level is around 63 dBA, 3 ft away for the outlet, frequency is around 185 Hz (yes, it's the heat pump noise) • Noise level is around 70 dBA, 2 ft on top of the unit inlet. base frequency 185 Hz with some other lower frequencies.Inspect the attic access carefully to find any air-leakage pathways that need to be sealed. For house plans, use the pen test. Make it easy for occupants to use, including returning it to the sealed position. Attics can be as cold as the outdoor air in winter and much hotter than outdoor air in summer.Photo courtesy LP SmartSide. Writing in Fine Homebuilding magazine 22 years ago, Massachusetts builder Robert Weatherall described the pleasure of advancing from rough framing to running exterior trim. “It’s like decorating a cake or coloring in a picture,” he said. “After the rush of framing lumber and plywood, the trim is the welcome ...GreenBuildingAdvisor.com. 14,464 likes · 2,933 talking about this. Dedicated to sharing accurate and complete information about designing, building, and remodeling high-performance homes.If it's plank sheathing in pretty good shape, with at least 3/8" (10mm) between the sheathing and brick it should be relatively safe to insulate the 2x4 bays with a full fill of open cell spray polyurethane foam. That yields about R13 at center cavity, or about R10 "whole-wall" after installing the gyprock.If you use EPS, a more environmentally responsible option, it starts out at about R-4/in and maintains R-4/in. Either way, 2.5" is enough to get R-20. R-20 foundation walls are insulated in different ways so the answer would depend on your assembly. R-40 above-grade walls are done in different ways so the answer …An updated review of two of the most common sheathing products. Although skeptical builders avoided oriented strand board (OSB) when it was first introduced commercially in the 1980s, today it dominates the U.S. sheathing market, far outstripping plywood with about 64% of sales. Improved resins, better water …A. In Climate Zone 6, I would advise the use of at least 2 inches of rigid foam before switching to fluffy insulation. Better yet, meet the code requirement for R-value entirely with the foam layer, and skip the fluffy insulation. Green builders don't use XPS -- instead, choose EPS or polyiso.That’s what Rus Pearson would like to know. “Some say spray the roof deck, allowing the attic air to become conditioned, which is great for the [heating and cooling] ducts in the attic,” Pearson writes in a Q&A post at Green Building Advisor. “Others say spray the attic side or the ceiling to allow the attic to vent.Flash-and-Batt Insulation. Closed-cell spray polyurethane foam insulation has several desirable characteristics. It’s an excellent air barrier, an excellent vapor retarder, and it has a high insulating value per inch (about R-6). Unfortunately, …Image Credit: Niagara Conservation Corp. Niagara Conservation has introduced a new toilet that’s unlike anything on the market. It uses passive “vacuum-assist” technology to deliver a very quiet, effective flush that consumes just 0.8 gallons (3.0 liters)–making it, I believe, the most water-conserving of any flush …In the 1980s, most cold-climate builders were taught that walls needed an interior vapor retarder, and needed to be able to dry to the exterior. When a few pioneers started installing exterior rigid foam, some …The amount of insulation installed in any given building assembly depends on the climate, the part of the house being insulated, the project budget, and local code requirements. Batts and blankets: R-3.1 to R-4.1 per in. Blown-in and loose-fill insulation: R-2.6 to R-4.2 per in. Rigid foam: R-3.6 to R-6.8 per in.Rigid foam insulation is routinely used in high-performance buildings, but it also seems to attract carpenter ants. By Scott Gibson | March 28, 2016. Ants seem to like rigid foam, as this perforated sheet of insulation seems to show. Builders have tried a number of preventive measures to keep insects at bay, but some …GreenBuildingAdvisor.com. 14,464 likes · 2,933 talking about this. Dedicated to sharing accurate and complete information about designing, building, and remodeling high-performance homes.Green Building Advisor: [email protected] USA and Canada customers: 800-943-0253. International customers: 847-559-7522. Fine HomeBuilding: …GreenBuildingAdvisor.com. 14,464 likes · 2,933 talking about this. Dedicated to sharing accurate and complete information about designing, building, and remodeling high-performance homes.A typical two-stage condensing gas furnace has a turn-down ratio of less than 2:1. With most of these furnaces, the low-fire output is still 60% or more of the high-fire output. When a furnace with a low-fire rating of 60% is oversized by a factor of 1.7, you could cover 99% of the building’s heating needs at low fire.Here are a few data points while the heat pump is running: • Noise level is around 63 dBA, 3 ft away for the outlet, frequency is around 185 Hz (yes, it's the heat pump noise) • Noise level is around 70 dBA, 2 ft on top of the unit inlet. base frequency 185 Hz with some other lower frequencies.If you do it this way, you should have very little vibration or sound coupling into the structure from the outdoor units. If the stand itself is vibrating, add some mass. An easy way to do this is to attach some solid concrete 1/2 blocks (about $1 each) to the underside of the shelves where the units are.IRC on continuous insulation. Building codes have begun to align with building science and we are seeing more areas across the country adopt continuous insulation as part of the energy code. CI requirements with regard to the energy code can be found in the 2021 International Residential Code (IRC), Chapter 11, “Energy Efficiency.”.Vented attics are the least expensive way to insulate the top of the house. 2. All exterior insulation on the roof or some on top with fibrous insulation beneath. Second on Kohta’s list is putting all or some of the insulation on top of the roof. This keeps the roof sheathing protected from moisture damage because it stays warm.Get building science and energy efficiency advice, plus special offers, in your inbox. “A whole-house fan creates the breeze and with windows open provides fresh air, reduces or eliminates VOCs and CO2, and cools the house for a lot [less] energy and dollars than running the AC,” he adds. “Am I nuts?”.That’s what Rus Pearson would like to know. “Some say spray the roof deck, allowing the attic air to become conditioned, which is great for the [heating and cooling] ducts in the attic,” Pearson writes in a Q&A post at Green Building Advisor. “Others say spray the attic side or the ceiling to allow the attic to vent.Vented attics are the least expensive way to insulate the top of the house. 2. All exterior insulation on the roof or some on top with fibrous insulation beneath. Second on Kohta’s …R: Anything to reduce vibrations transfer would be ideal based on what i understood from the calls I made. Q: it seems that to use the boost function, wiring is just armored conduit to a wall box, and then romex to the switch, which I assume is just a standard 120 v. 15-20 amp wall switch.Aug 6, 2021 · First, some definitions. There are at least four kinds of slab foundations: A thickened-edge slab, also known as a monolithic slab, integrates the footing and the slab in a way that allows all of the concrete to be placed at the same time. The perimeter footing of a thickened-edge slab isn’t very deep. [Image credit: Martin Holladay] Looks like MBtek is getting a new pump soon. Appears to be an R290 pump (propane). Global warming coefficient is just 3 on propane, so that's a bit improvement. They also claim it has an output of 175*F. I'm a little skeptical of that. But I have seen other R290 heat pump manufacturers claim similar numbers.Green Building Advisor is a digital-only media platform in its second decade covering environmentally sensitive design, innovative materials, energy-efficient construction …A single-family home in the Buckeye State is being built for maximum energy efficiency. Just east of Dayton. Green Generation Building Company’s first home is designed to meet Passive House standards. The house is in Yellow Springs, Ohio. In early November, when it broke ground on a three-bedroom, two-bath home in Yellow Springs, …Building Science Fundamentals: Roof, Part 1: Ventilation By Dr. Joseph Lstiburek Dr. Joseph Lstiburek talks about the not-so-controversial ways to maximize the efficiency and airflow of your roof and attic. Video Transcript: There’s been so much stuff said about roofs that you sometimes lose perspective. I’m going to start off by saying what …The official recommendation from the ADC is that flex ducts should sag no more than 1/2 inch per foot of length between supports. The supports need to be at the manufacturer’s recommended spacing, but no longer than 4 feet. The straps that hold up the flex duct need to be no less than 1.5 inch wide.All heat pumps work on the same principle, moving heat from one location to another with the help of a closed refrigerant loop, a compressor, and a heat exchanger. In winter, heat is extracted from air, water, or the earth; this heat is used to heat the house. In summer, the process can be reversed so the heat pump pulls heat from the inside and …Duct joints should always be secured with #8 sheet-metal screws before seams are sealed with mastic. Sealing duct seams is messy work, so wear old clothes. The mastic is spread over duct seams with a disposable paintbrush, putty knife, or your fingers. (If you spread mastic with your fingers, wear rubber gloves.)When you switch from an air conditioner to a heat pump and keep your furnace, you now have two heating systems. You still have the furnace, but the heat pump will probably do most of your heating. Above a certain temperature, the heat pump does all the heating. Below that temperature, the heat pump turns off and the furnace takes over.Green is often less expensive when all things are considered. Sustainable building often seems more expensive than conventional building. Many of the building materials that make houses more durable and easier to heat and cool aren’t cheap. Complicated systems that allow a certain amount of energy independence–photovoltaic …The code recommendations for 2×6 walls assume (in Climate Zone 6) that any exterior rigid foam has a minimum R-value of R-11.25 — your polyiso will perform at R-9 or R-10 in cold weather, so it’s not quite thick enough — and fluffy insulation between the studs rated at R-19 or R-20.Gregg is renovating his 50-year-old house in Wisconsin and trying to devise the best way of insulating exterior walls from the outside. The house was built conventionally, with 2x4 walls, fiberglass batt insulation, fiberboard sheathing, and hardboard siding. He plans to tear off both siding and sheathing and remove the batt insulation, then apply 3 in. …If it's plank sheathing in pretty good shape, with at least 3/8" (10mm) between the sheathing and brick it should be relatively safe to insulate the 2x4 bays with a full fill of open cell spray polyurethane foam. That yields about R13 at center cavity, or about R10 "whole-wall" after installing the gyprock.When I posted the lead photo on LinkedIn a few days ago, Houston home builder Dave Yelovich gave his solution for fixing the wall: High-density R-15 batt in the kneewall after sealing any gaps. Install OSB over it and run it 16 in. above the top plate to create insulation dams. Add some blown-in over the top.Dec 27, 2023 · According to principal Matthew Fine, the feasibility of building six identical high-performance homes on a single parcel was never in question. What was in question, however, was achieving such a feat “at an affordable level.”. The homes themselves are “fairly modest” and “contextually appropriate,” Fine says. A second type of heat pump is the ground-source heat pump (GSHP). During the summer, this type of heat pump transfers heat from indoor air to the soil around your house. In some cases, it may transfer heat from indoor air to the water in a drilled will, or to a nearby lake or pond. During the winter, a GSHP collects heat …With an R-90 roof and R-60 walls, Jenz Yoder's new off-grid house will be well insulated. Yoder's quandary, outlined at Green Building Advisor's Q&A forum, is whether radiant-floor heat is a good idea. "I had two …The lower the number, the better a product is at keeping heat in. Range: 0.1–1. Look for: Low numbers; best ≤0.30. Solar Heat Gain Coefficient measures the amount of solar radiation admitted through a window unit—either transmitted directly and/or absorbed. Lower numbers mean you’ll spend less on cooling your house.Residential builders in Alaska have at least two major sources of motivation to build homes efficiently and with first-rate performance characteristics. One is the short building season. The other, of course, is Alaska’s Arctic cold. But for general contractor Thorsten Chlupp, whose firm, Reina LLC, is based in …The top edge of the insulation between the exterior wall and the edge of the interior slab shall be permitted to be cut at a 45-degree (0.79 rad) angle away from the exterior wall. Slab-edge insulation is not required in jurisdictions designated by the building official as having a very heavy termite infestation.Potential for pyrolysis. Pyrolysis is defined as the chemical decomposition of wood or coal by the application of heat alone in the absence of oxygen. In short, it is the repeated heating of wood resulting in its changed chemistry and ignition temperature. Typically, this process happens over a long period of time and includes many cycles of ...Building Science Fundamentals: Roof, Part 1: Ventilation By Dr. Joseph Lstiburek Dr. Joseph Lstiburek talks about the not-so-controversial ways to maximize the efficiency and airflow of your roof and attic. Video Transcript: There’s been so much stuff said about roofs that you sometimes lose perspective. I’m going to start off by saying what …It’s easy: Keep your heat from going through the roof. Saving money on heating-fuel costs is a lot simpler than negotiating with OPEC or your local utility. On a recent upgrade in the attic of a 1950s-era house (one of two projects shown here), I air-sealed and spread a 12-in.- deep layer of cellulose throughout 1500 sq. ft. of space in about ...Looks like MBtek is getting a new pump soon. Appears to be an R290 pump (propane). Global warming coefficient is just 3 on propane, so that's a bit improvement. They also claim it has an output of 175*F. I'm a little skeptical of that. But I have seen other R290 heat pump manufacturers claim similar numbers.During the design phase we read articles from Green Building Advisor and the Journal of Light Construction about energy-efficient building practices. We followed the local building code and hired an excellent general contractor. The topic of wintertime humidity never came up in relation to building …Vented attics are the least expensive way to insulate the top of the house. 2. All exterior insulation on the roof or some on top with fibrous insulation beneath. Second on Kohta’s …Image courtesy of Green Building Advisor. A highlight of GBA is its construction-detail drawing library, that contains 1,000 detailed drawings. They organize these according to parts of the house and climate. Some drawings are free, but most are available to GBA Prime members only. You can visit Green …Fiberglass batts are vapor permeable and air permeable. By the way, you don't need a 12-inch air gap between your insulated concrete wall and your studs. One or 2 inches is fine. Ideally, all of your required R-value will be provided by your rigid foam, and your 2x4 stud bays will be uninsulated. Aug 19, 2010 09:12pm.The cost is about twice that of fiberglass insulation, Cloarec said: $1.80 per square foot for 3 1/2-inch panels, $2.40 for 5 1/2-inch panels, and $3 for the 8-inch material (all prices are in Canadian dollars and do not include shipping). Hemp insulation has many advantages, Cloarec said. If it gets wet, it can be removed …R: Anything to reduce vibrations transfer would be ideal based on what i understood from the calls I made. Q: it seems that to use the boost function, wiring is just armored conduit to a wall box, and then romex to the switch, which I assume is just a standard 120 v. 15-20 amp wall switch.Residential builders in Alaska have at least two major sources of motivation to build homes efficiently and with first-rate performance characteristics. One is the short building season. The other, of course, is Alaska’s Arctic cold. But for general contractor Thorsten Chlupp, whose firm, Reina LLC, is based in Fairbanks, yet another motivator …Mar 25, 2016 · Maybe you are building a new home with an unconditioned vented attic. The house is framed, sheathed, and roofed. The drywall contractors have finished their work, so now you’re ready to insulate the attic floor. If you are an owner-builder, this may be the first time you’ve done this. So what do you need to know? Flash-and-Batt Insulation. Closed-cell spray polyurethane foam insulation has several desirable characteristics. It’s an excellent air barrier, an excellent vapor retarder, and it has a high insulating value per inch (about R-6). Unfortunately, …Nov 20, 2023 · The SANCO2 split-system heat pump water heater offers benefits that include energy efficiency, low-GWP refrigerants, and the possibility in some situations to provide space heating. Over the last couple of years, there’s been a lot of buzz about the SANCO2, a newer type of air-source heat-pump water heater (HPWH) from ECO2 Systems. Subscription to GBA Prime - Green Building Advisor ... Loading... ...When used for space heating, an air-to-water heat pump fills the role usually held by a boiler; it requires a hydronic (water-based) distribution system. The heat pump makes hot water; the hot water can be pumped through fin-tube baseboard units, in-floor PEX tubing, or a fan-coil unit. (A system with such a fan-coil unit is called a hydro-air ...Green is often less expensive when all things are considered. Sustainable building often seems more expensive than conventional building. Many of the building materials that make houses more durable and easier to heat and cool aren’t cheap. Complicated systems that allow a certain amount of energy independence–photovoltaic …The code recommendations for 2×6 walls assume (in Climate Zone 6) that any exterior rigid foam has a minimum R-value of R-11.25 — your polyiso will perform at R-9 or R-10 in cold weather, so it’s not quite thick enough — and fluffy insulation between the studs rated at R-19 or R-20.In a warm humid climate, an ERV brings in less outdoor humidity than an HRV. (Note: an ERV is not a dehumidifier. It does still add to the latent load in the house.) In a hot-dry climate, an HRV will make your already dry air even drier, sending your precious water vapor out into that desert air. In a cold climate, …Mar 25, 2016 · Maybe you are building a new home with an unconditioned vented attic. The house is framed, sheathed, and roofed. The drywall contractors have finished their work, so now you’re ready to insulate the attic floor. If you are an owner-builder, this may be the first time you’ve done this. So what do you need to know? The authors report that 10% of the residential heat pumps they surveyed had detectable leaks and that 3.8% of the total refrigerant charge was lost annually. Catastrophic leaks, in which systems lost 50% or more of their initial charge, were responsible for the vast majority—about 92%—of refrigerant losses. Heat pumps, properly installed ... Building Science Introducing the 120-volt Plug-in Heat Pump Water Heater. The good news is the model can save thousands of dollars. The downside is limited backup heat, which could mean running out of hot water. Air conditioning can also create condensing surfaces. The same phenomenon can happen in reverse in the summertime. Let’s say the outdoor air is 85°F and the relative humidity is 75%. When outdoor air leaking inward contacts a surface below about 76°F, the moisture in the air will condense. So if you have an exhaust fan in your home, the air ...This system not including wood burning stove will cost us around 25,000. 2) air to air heat pump (4 heads) propane boiler for radiant floors and hot water. We also will have 45 BTU wood burning stove- hearthstone. this system will cost us around $40,000 not incuding wood burning stove.The first time I detailed a “ slabless slab ” was in 2013. I was working with homeowners who disliked the look and feel of concrete and wanted to install elm flooring they had salvaged. The design plans called for a robust insulation and air-sealing package, which meant an expensive building envelope. To reduce costs—and the overall ...Kamal ravikant, Flash trash, B52s band, Romo's pizza glenmont ny, Walmart orange city, Foto estudio cerca de mi, Tractor pull near me, United fiber savannah mo, Commercial appeal newspaper, Bowl of pho restaurant, The sock shoppe, Jimmy's tacos, Radium engineering, Ogden regional medical center
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christus mother frances hospital tylerAn updated review of two of the most common sheathing products. Although skeptical builders avoided oriented strand board (OSB) when it was first introduced commercially in the 1980s, today it dominates the U.S. sheathing market, far outstripping plywood with about 64% of sales. Improved resins, better water …Vapor Control for Continuous Insulation – Zone 6. Looking to install continuous insulation with no cavity insulation on a tiny residential home in Zone 6. My question is, do I need a vapor barrier between the insulation and sheathing, or am I good with just taping and sealing the joints in the polyiso? thanks!Building Science Fundamentals: Roof, Part 1: Ventilation By Dr. Joseph Lstiburek Dr. Joseph Lstiburek talks about the not-so-controversial ways to maximize the efficiency and airflow of your roof and attic. Video Transcript: There’s been so much stuff said about roofs that you sometimes lose perspective. I’m going to start off by saying what …Both of these bulbs currently retail for $13.99. Analyzing the entire Energy Star dataset for LED general-purpose replacement bulbs (9) in the A19 (standard medium screw-in bulb) form factor, the LED filament bulbs have an average efficiency of 109 lm/W. The conventional bulbs (everything else in the dataset) average to 76.5 lm/W.From an environmental standpoint, masonry heaters burn fuel very rapidly at a high temperature. This results in very complete combustion with little pollution generated. Except when first starting the fire, there should be no visible smoke. From a performance and comfort standpoint, masonry heaters take a long time to heat up, but they then ...Place 1 to 2 in. of rigid foam insulation on the slab and float the subflooring above. Float two layers of min. 1/2 in. insulation above the foam, staggering all joints. Secure the top layer of plywood to the lower layer with nails or screws. If there is no vapor barrier below the slab, or you’re not sure, it’s best to …Navigating the decision-making process to ensure the best performance of a home can be challenging. We need to balance allocation of resources between 1. load reduction—which primarily involves upgrading the thermal enclosure—2. conversion from fossil fuel–powered to electrically powered systems, and 3. implementation of renewable …Green Building Advisor: [email protected] USA and Canada customers: 800-943-0253. International customers: 847-559-7522. Fine HomeBuilding: …This is the short answer as to why the new building codes are increasing requirements for continuous insulation. The 2012 IECC will require R-20 or R13+5 for Climate Zones 3, 4, and 5, and it requires R20+5 or R15+10 for Climate Zones 6, 7, and 8. [Editor’s note: In some climates, the “R20+5” approach is not …Potential for pyrolysis. Pyrolysis is defined as the chemical decomposition of wood or coal by the application of heat alone in the absence of oxygen. In short, it is the repeated heating of wood resulting in its changed chemistry and ignition temperature. Typically, this process happens over a long period of time and includes many cycles of ...Inspect the attic access carefully to find any air-leakage pathways that need to be sealed. For house plans, use the pen test. Make it easy for occupants to use, including returning it to the sealed position. Attics can be as cold as the outdoor air in winter and much hotter than outdoor air in summer.Green Building Advisor. Blogs. Musings of an Energy Nerd; Product Guide; Q&A Spotlight; Building Science; Green Building News; BS* + Beer; Energy-Smart ... Become a GBA Prime member and get instant access to the latest developments in green building, research, and reports from the field. Start free trial. Related Questions. Certainteed …The Science Based Targets initiative (SBTi) recently unveiled a draft for pilot testing of its new target-setting guidance for the building sector, set to go into effect in the first half of 2024. SBTi is a partnership between the Carbon Disclosure Project (CDP), the UN Global Compact, World Resources Institutes (WRI), and World Wide Fund for ... Green building is about process first, products second. But the process of building involves myriad products and materials. Green choices offer ways to improve indoor air quality, water and energy efficiency, durability, and comfort. Paints and finishes on floors, walls, cabinets, and ceilings should be low in VOCs. Originally developed by Skanska and C Change Labs, EC3 was incubated by the Carbon Leadership Forum and nearly 50 industry partners until its public launch at Greenbuild 2019, at which time the nonprofit Building Transparency was founded to house EC3. Its mission is to provide open-access data on …This article is designed to help contractors and homeowners think about the most efficient ways to create comfortable, long-lasting basement floors while avoiding some common problems. It also explores different flooring products and subfloor methods. While the focus is basements, many of these tips and …When used for space heating, an air-to-water heat pump fills the role usually held by a boiler; it requires a hydronic (water-based) distribution system. The heat pump makes hot water; the hot water can be pumped through fin-tube baseboard units, in-floor PEX tubing, or a fan-coil unit. (A system with such a fan-coil unit is called a hydro-air ...A. In Climate Zone 6, I would advise the use of at least 2 inches of rigid foam before switching to fluffy insulation. Better yet, meet the code requirement for R-value entirely with the foam layer, and skip the fluffy insulation. Green builders don't use XPS -- instead, choose EPS or polyiso.Design your building and design the excavation. Create a tent roof like the building roof, dig the excavation, and put the tent roof over the excavation. Then wait. Maybe a year, maybe more. After every heavy rain go back to the hole and see if the hole is dry. If, after a long wait the hole remains dry then build your …Primorsko-Akhtarsk is an air base of the Russian Aerospace Forces as part of the 4th Air and Air Defence Forces Army, Southern Military District . The base was first used in 1954 …“The building industry certainly needs to step up,” Colker says. “There are opportunities to drive standards, but that requires engagement of the broader industry.” _____ Justin R. Wolf is a Maine-based writer who …Insulate the hatch – Cut foam board to 1/2″ less than the size of the hatch on each side. Foil-faced polyiso is the greenest and best-performing of the rigid foam options. Apply a bead of foam-compatible …The should match the 99% and 1% design temperatures from ASHRAE, which are also given in Table 1A in Manual J from ACCA. If the 1% summer design temperature is 91°F, as in Atlanta, a Manual J report showing that the load calculation was done with 97°F will result in an oversized air conditioner. Actually, even if the load …If you want to improve the energy performance of an older house, one of the first steps is to plug your attic air leaks. Although many GBA articles address aspects of attic air sealing, no single article provides an overview of the topic. This article is an attempt to provide that missing overview. I’ll try to explain how you …Green Building Advisor Customer Service. Customer Service Options: Place an Order. Buy a New Membership. Buy a Gift Membership. Log In to Your Account to: Change …Place 1 to 2 in. of rigid foam insulation on the slab and float the subflooring above. Float two layers of min. 1/2 in. insulation above the foam, staggering all joints. Secure the top layer of plywood to the lower layer with nails or screws. If there is no vapor barrier below the slab, or you’re not sure, it’s best to …Learn about green building materials and techniques from these online resources. Find out how to achieve zero energy, health, and sustainability goals for your …Martin Holladay's 30-year-old solar panel has been exposed to the weather on his rooftop for 30 years. In 1980, after living in the woods of Vermont without electricity for five years, I bought my first photovoltaic (PV) module. Responding to a small ad in Mother Earth News, I sent a check to Joel Davidson, … Armando Cobo is a zero-energy custom home designer, trainer, and building consultant with over 35 years of experience. Armando designs following the guidelines of DOE’s Zero Energy Ready Home program, The Building America Program, Build Green New Mexico, California’s Title 24, National Home Builders Association’s Green Building Program, and LEED for Homes, among others. 1. Adhere 1 inch R-Tech (R value 3.85) or 1 ½ (R value 5.78) EPS Rigid Foam to the interior of the concrete foundation walls (ranging in height from 18 to 48 inches – see pic). 2. Spray 2 inch coat of closed cell spray foam at top of EPS board to cover exposed top portion of concrete foundation wall.Caulking the leaks was a good idea. 3. Insulating your rim joists is a good idea. The insulation will lower your energy bills and increase the comfort of your basement. 4. R-19 is not overkill. 5. While it's a great idea to insulate, fiberglass batts are the wrong type of insulation to use. Rigid foam would be better.Installing the water heater. Installation of a heat-pump water heater is basic plumbing, electrical, and HVAC all in one. The first step is to run the water lines. Way back when I ran the PEX for the water supply lines in the house, I had run a line from the main supply, formed it into a loop in the utility room, and then into a …This seems to be how many green building pros ended up experimenting with a concrete-free assembly. Today, there are several variations on the concrete-free slab being used in high-performance and Passive houses but 10 years ago, information on the method was limited so there was a learning curve. …The building will be a large shop/residence in Zone 6 - stick built (2” x 6”s), 30’ x 80’ with 12’ walls, slab on grade. Roof system will be 30’ wide-spread trusses, ~8’ high on 2’ centers (snow loads 100lbs and wind 115 mph gusts) with 7.25” high energy heals and a 12’ “box” space for storage running the length of the roof space between the webs.Green Building Advisor is a source for builders, remodelers, architects and homeowners who want to learn about green building, products and details. Join the community of …From an environmental standpoint, masonry heaters burn fuel very rapidly at a high temperature. This results in very complete combustion with little pollution generated. Except when first starting the fire, there should be no visible smoke. From a performance and comfort standpoint, masonry heaters take a long time to heat up, but they then ...Feb 16, 2024 · The Science Based Targets initiative (SBTi) recently unveiled a draft for pilot testing of its new target-setting guidance for the building sector, set to go into effect in the first half of 2024. SBTi is a partnership between the Carbon Disclosure Project (CDP), the UN Global Compact, World Resources Institutes (WRI), and World Wide Fund for ... 1. Independent ducting. The best way to duct a dehumidifier is to give it its own independent ducts. The intake side is connected to a grille (or maybe multiple grilles). The supply side is connected to a grille or register (or maybe more than one). It’s the simplest way to set up a whole-house dehumidifier.Interior partition walls create one of the trickiest transition points when installing an interior air barrier. As seen here, the wall breaks the continuity of the air control layer at the ceiling. This needs to reconciled and sealed. I’m from Minnesota, one of the few areas in the lower 48 that still regularly uses polyethylene sheeting as a ...GreenBuildingAdvisor.com. 14,464 likes · 2,933 talking about this. Dedicated to sharing accurate and complete information about designing, building, and remodeling high … Green Building Advisor has a fantastic community of building experts from engineers, and scientists, to architects and builders. We encourage all to share both questions and answers. The usual rules of courtesy apply: 1. Be nice. 2. If you can’t be nice, be polite. 3. If you can’t be nice or polite — well, please be brief. Moisture Management: Pretty Good Building Envelopes. The fundamentals of the Pretty Good House approach to handling water to protect a building from foundation to roof to ensure longevity. BS* + Beer.GreenBuildingAdvisor. @GreenBuildingAdvisor 2.94K subscribers 62 videos. More about this channel. greenbuildingadvisor.com. Home. Videos. Playlists. Community. Channels. …Book Cheap Flights to Primorsko-Akhtarsk: Search and compare airfares on Tripadvisor to find the best flights for your trip to Primorsko-Akhtarsk. Choose the best airline for you by … Building Science Introducing the 120-volt Plug-in Heat Pump Water Heater. The good news is the model can save thousands of dollars. The downside is limited backup heat, which could mean running out of hot water. Green Building Advisor is the one-stop source for builders, remodelers, architects & homeowners looking for expert advice on green products, strategies & proven …The lower the number, the better a product is at keeping heat in. Range: 0.1–1. Look for: Low numbers; best ≤0.30. Solar Heat Gain Coefficient measures the amount of solar radiation admitted through a window unit—either transmitted directly and/or absorbed. Lower numbers mean you’ll spend less on cooling your house.A typical two-stage condensing gas furnace has a turn-down ratio of less than 2:1. With most of these furnaces, the low-fire output is still 60% or more of the high-fire output. When a furnace with a low-fire rating of 60% is oversized by a factor of 1.7, you could cover 99% of the building’s heating needs at low fire.However, these vacuum insulation panels (sometimes called VIPs) could make a great deal of sense in certain value-added products like refrigerators, freezers, water heaters, and entry doors. Whirlpool actually used a VIP that Owens Corning produced for a while (the Aura panel) in a high-efficiency refrigerator in …Fiberglass batts are vapor permeable and air permeable. By the way, you don't need a 12-inch air gap between your insulated concrete wall and your studs. One or 2 inches is fine. Ideally, all of your required R-value will be provided by your rigid foam, and your 2x4 stud bays will be uninsulated. Aug 19, 2010 09:12pm. The complete source for building, designing, and remodeling green homes. Try for Free. Green Basics Green Building Advisor’s Encyclopedia of Articles and Videos Green Building Advisor has a fantastic community of building experts from engineers, and scientists, to architects and builders. We encourage all to share both questions and answers. The usual rules of courtesy apply: 1. Be nice. 2. If you can’t be nice, be polite. 3. If you can’t be nice or polite — well, please be brief. An updated review of two of the most common sheathing products. Although skeptical builders avoided oriented strand board (OSB) when it was first introduced commercially in the 1980s, today it dominates the U.S. sheathing market, far outstripping plywood with about 64% of sales. Improved resins, better water …This U.S. map shows which counties have been assigned to a different climate zone for purposes of building and energy codes. Counties marked in red are now in warmer climate zones with less stringent energy requirements. Counties marked in green have shifted to colder climate zones. Map courtesy Pacific Northwest National Laboratory. Green building is about process first, products second. But the process of building involves myriad products and materials. Green choices offer ways to improve indoor air quality, water and energy efficiency, durability, and comfort. Paints and finishes on floors, walls, cabinets, and ceilings should be low in VOCs. Most houses in New England have basements (or crawl spaces). There are two locations for insulation between the finished above-grade space and the ground: The first option is to insulate the first-floor joist cavities, above the basement; and the second option is to insulate the basement walls and floor slab.In early November, when it broke ground on a three-bedroom, two-bath home in Yellow Springs, Ohio, Green Generation Building Company began a careful and, the company’s principals hope, certain march to Passive House standards. Completion is inspected in July, although the 1,800-sq.-ft. house is far …The specific heat capacity of building materials varies. In general, denser building materials have a higher specific heat capacity per unit of volume than less dense materials, which is why concrete, stone, and gypsum wallboard are more likely to be used to provide extra thermal mass than wood. Three analogies: cistern, frying pan, truckIn a warm humid climate, an ERV brings in less outdoor humidity than an HRV. (Note: an ERV is not a dehumidifier. It does still add to the latent load in the house.) In a hot-dry climate, an HRV will make your already dry air even drier, sending your precious water vapor out into that desert air. In a cold climate, …Green Building Advisor is the one-stop source for builders, remodelers, architects & homeowners looking for expert advice on green products, strategies & proven …Dec 27, 2023 · According to principal Matthew Fine, the feasibility of building six identical high-performance homes on a single parcel was never in question. What was in question, however, was achieving such a feat “at an affordable level.”. The homes themselves are “fairly modest” and “contextually appropriate,” Fine says. . Mcclendons, Herzing un, Chenal family therapy, Mcfarland ford, South san antonio isd, The gundam place store, Sandia labs federal, Bmw waterbury, Pronovias, Macon cinema, Academy waco, Red's roofing, Slc bees, Pet paradise wesley chapel, Amigone, Restoration wellness, Sammys rentals, Twos company.