Air Quality

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Panned Bays

Is it OK to use a joist bay for a return-air plenum in an HVAC system? More

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Choosing a Whole-House Ventilation Strategy

An update on current standards and how to meet them More

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Choosing a Whole-House Ventilation Strategy

Part 2 of Allison Bailes series on current ventilation standards and how best to... More

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More Than 'Tips' Needed to Improve Energy Efficiency

A thorough, step-by-step analysis that treats the home as an integrated system is the only route to true performance improvements, including lower energy bills and better indoor air quality. More

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A Drywaller’s Approach to Air Sealing Homes

Air leaks through the building shell can have a significant effect on a home’s... More

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Making the Case for Zero-Leak Ducts

Mike MacFarland outlines the benefits of leak-free ducts. More

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Controversy Over Home Ventilation Rules

SHRAE Standard 62.2 is the nation’s residential ventilation standard, and that’s... More

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Standard Writing Groups Sue In Copyright Claim

Federal courts have ruled that building codes, once adopted into law, can’t be copyrighted. A new lawsuit will test whether that principle also allows free re-publishing of ASTM standards and similar industry-created consensus-based rules. More

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