Home Performance & Weatherization
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Building Code Meets Building Science
Five ways residential building codes have begun to align with building science–directed best practices
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Windows Before WRB?
Yes, if the flashing details are done right, you can safely install windows before the housewrap
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Choosing the Right Range Hood Makeup Air System
First know the basics, then consider all the factors that go into a good makeup air system. Then install a modest-size range hood with the right capacity.
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Maine’s Stretch Energy Code
Three municipalities adopt the state's first strectch code but enforcement of even the base code is lagging
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Air-Sealing and Insulating an Existing Wall
What are the most effective air-sealing strategies and best insulation types for minimizing airflow through a north-facing wall?
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Building Science Trivia Time
IBS 2024 inspires a homegrown game designed for GBA readers
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Making Home Energy Upgrades
Guidance for choosing building assemblies and products that will reduce heating/cooling loads and operational costs
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Details for a “High-Performance Garage”
An insulated slab, Larsen truss wall system, careful air-sealing, and dense-packed insulation in deep cavities mitigate heat losses at a garage door
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Rafter Tail Removal for Home Performance Upgrade
A “chainsaw retrofit” was the solution for creating continuous air and thermal barriers from wall to roof on an old timber-frame farmhouse
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Optimizing Your Window Package
How to select the best windows based on operation type, performance data, and wall assembly