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Double-Stud Walls and Ventilation
Is the longevity of this assembly type dependent on a good ventilation system?
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Carbon Dioxide and the Air You Rebreathe
A simple spreadsheet uses the CO2 level in your indoor air to determine how much air you're rebreathing
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An Energy Auditor’s Toolkit
Testing and commissioning houses requires a number of gadgets—many of which can be used across trades
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Does Spray Foam in the Attic Make It a High-Performance Home?
And can it ever be called "high-performance" if the attic insulation is only R-20?
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The Mythical Threat to Double-Stud Walls
Data indicate wood moisture content and seasonal temperatures do not work together to destroy this assembly
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Two Reasons to Avoid Most Electronic Air Cleaners
You can spend your money on ionizers, oxidizers, or ozone generators; or you can do something to improve your indoor air quality.
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Two Methods for Testing a Bath Fan for Air Flow
How much air is your exhaust fan actually moving?
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High-Performance Raft Slab
This versatile frost-protected shallow foundation is adaptable for different wall systems and climates
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Heat Pumps, Auxiliary Heat, and Resilience
Do you have a plan for what to do when the heat pump stops working or the power goes out?
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Performing an Energy Assessment: A Case Study
This often-free service is invaluable when it comes to rooting out sources of extraneous energy usage
