Duct
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Leak-Free Duct Systems
Building codes require residential duct systems to be tested for duct leakage
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Ductwork for ERVs, Dehumidifiers, and Forced-Air Heating Systems
Can three different appliances share the same ducts?
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Is R-8 Duct Insulation Enough?
Code requirements are always a compromise between what’s best and what’s practical
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Airport House: Heating and Cooling
Insulation levels play a role in selecting the most appropriate system
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Where Does the Air Come From?
Are the various registers and diffusers in your home bringing in outdoor air or recirculating indoor air?
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When the Problem Is Heat
How to keep the heat outside when you live in the desert Southwest and daytime temperatures can top 100°F
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Banish These Details From Your Plans
Some features and methods are so difficult to implement that designers might want to avoid them entirely
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Can’t Anyone Get Things Right?
Recent experiences with contractors and tradespeople leave me frustrated
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All About Furnaces and Duct Systems
Most forced-air heating systems are still poorly designed and installed
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Use Plenum Trusses To Keep Ducts Out of Your Attic
A Building America project by IBACOS shows you how to do it
