tag: insulation


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Revolutionary New HVAC Equipment - A Split Dehumidifier!

Revolutionary New HVAC Equipment - A Split Dehumidifier!

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I'd venture to guess that most houses in the Southern US aren't very comfortable. They are either too cold or too hot! The missing component in HVAC is Dehumidification. Ultra-Aire has a new Dehum that I think is a game changer.

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Demystifying Window Labels - SHGC? U-Factor?

Demystifying Window Labels - SHGC? U-Factor?

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Learn to decipher the codes on the window labels, and know what stats to look for in a good window (and what meets current building codes). In this video I'll explain in plain english what U-Factor means (and how to relate it to R-value), as well as the meaning to SHGC.

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Sticky House Wrap? - Delta Vent SA Review

Sticky House Wrap? - Delta Vent SA Review

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Sticky House Wrap? Yes, that makes perfect sense. I just completed my first job with Delta Vent SA a house wrap from German company Cosella-Dorken. Here's my impressions.

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Siga Wigluv - Air Sealing Tape Review

Siga Wigluv - Air Sealing Tape Review

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There are 4 things every house must control (in order of importance). 1. Water 2. Air 3. Vapor 4. Thermal Codes have only started to address air control and I think many builders in the US are behind in this area.

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How to Use Spray Foam to Meet New Energy Codes in Warm Climates

How to Use Spray Foam to Meet New Energy Codes in Warm Climates

As a builder in the hot and humid South, I regularly use spray foam in my houses. Spray foam makes it much easier to encapsulate my attic (where most HVAC systems in Texas live) so that my ducts are inside the thermal envelope.

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How to Insulate a Slab Foundation

How to Insulate a Slab Foundation

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Have you ever wondered why Slab Foundations aren't insulated? Two reasons, your house needs to be pretty efficient first before it's necessary, then it's darn hard to accomplish without making an easy path for termites. In this video I'll show you how we used Borated Treated Perimeter foam to insulate a Texas Slab on Grade Foundation.

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Home Energy-Efficiency Upgrades for Beginners

Home Energy-Efficiency Upgrades for Beginners

Advice for homeowners: Inspect your house for these common energy problems to get a better idea on where your money is best spent

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Indoor-Air Quality and Ventilation for Homes in Hot-Humid Climates

Indoor-Air Quality and Ventilation for Homes in Hot-Humid Climates

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The weather in the Southern United States poses a unique challenge to the issues of ventilation and indoor-air quality. Here are my opinions and suggestions on how to address these issues if you are building or remodeling in the South.

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How to Do Everything: The Energy Nerds Greatest Hits

How to Do Everything: The Energy Nerd's Greatest Hits

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If you plan to design, build, or remodel an energy efficient house, Energy Nerd Martin Holladay's collection of how-to articles is a must-read

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High-Performance Homes Dos & Donts: Mark LaLiberte Seminar Notes

High-Performance Homes Dos & Don'ts: Mark LaLiberte Seminar Notes

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Mark LaLiberte is an amazing building-science teacher. Read my blogging notes from his seminar titled "Building High-Performance Homes Dos & Don'ts," which I attended in Austin, Texas. Remember that this is focused on Texas construction, but there is plenty to learn here for anyone in the U.S.

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Airtight Wall and Roof Sheathing

Airtight Wall and Roof Sheathing

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In the early 1970s, residential builders knew almost nothing about air tightness. Nowadays, there's plenty of data showing why it's so important to air-seal houses.

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Insulating an Advanced-Framed House - A Hybrid Approach

Insulating an Advanced-Framed House - A Hybrid Approach

10 comments

Insulation advertisements would lead you to believe there products are perfect for every situation. In fact a hybrid approach is more likely to yield the high performance home I'm after. See this video to see how I used three types of insulation on this new Advanced Framed House I'm building in Austin Texas. -Matt Risinger

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Advanced vs Traditional Framing

Advanced vs Traditional Framing

8 comments

Advanced Framing isn't all that difficult and the benefits can be tremendous. In this video I'll show you a traditionally framed house and compare that to an Advanced Framed house.

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Texas Deep-Energy Retrofit Remodel

Texas Deep-Energy Retrofit Remodel

When you hear about a deep energy retrofit project most people think of the snowy North Eastern US. I can tell you that the strategy for a Northern remodel with energy efficiency in mind is very different that our strategy for Hot/Humid Texas. In this video I'll show you 6 things we are doing to making a dramatic difference in this 1950's slab on grade house's energy bills.

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Smart Design Advice for Hot & Humid Climates (i.e. The South)

Smart Design Advice for Hot & Humid Climates (i.e. The South)

Architect Peter Pfeiffer talks about how to utilize smart design for a house in a hot climate zone. His green building advice is practical and following his advice will result in a house that's well designed for the rigors of a hot climate. If you want a comfortable, efficient, durable house and you live in the South then this video will give you tons to think about.

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The Downside of Using Structural Steel

The Downside of Using Structural Steel

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A Seattle homeowner worries that steel I-beams used to support cantilevered floors in this modernist design will wick in cold temperatures from the outside

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Russias First Active House Gets a Test Drive

Russia's First "Active House" Gets a Test Drive

A Danish solar-panel company teams up with a Russian developer to build a home designed to showcase net-zero-energy performance

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Best Attic for Hot/Humid Climates

Best Attic for Hot/Humid Climates

Most houses in Hot/Humid climates don't have basements so that means that most ductwork in Southern house runs through super hot attic spaces. In this video I'll show you a rather civilized attic space that really makes for a comfortable & efficient house!

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PODCAST: Five Big Holes in your House That Suck Energy Out

PODCAST: Five Big Holes in your House That Suck Energy Out

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  An 1/8th inch crack along a window doesn't seem like much to worry about, but a 1/8th in. crack running the length of your house amounts to a hole bigger than a half sheet of plywood. If...

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One view of the net-zero energy frontier

One view of the net-zero energy frontier

A white paper explores how builders, manufacturers, and government entities can develop the market for projects designed for net-zero-energy performance

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