Attic Insulation
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Fiberglass Dust in the Attic
Fiberglass dust may have entered the HVAC system. Should the homeowner be worried about indoor air quality?
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Radiant Barrier vs. Attic Exhaust Fan
A California homeowner gets conflicting advice on how to lower attic temperatures. Who's right?
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Designing a House for a Hot Climate
Pay attention to roof details, window specifications, and duct system design
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Spray Foam’s Impact on Indoor Air Quality
Odors that linger can be an indication that the foam has not cured properly
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Three Ways to Insulate Roofs
There are many ways to insulate attics and roofs, but these are the safest methods
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A Low-Carbon Approach to Attic Retrofits
A new approach to retrofitting a finished attic saves money and lowers carbon impact
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Why Is It So Hot Upstairs?
It's a common question and insulation, air-sealing, and mechanicals are all potential cultprits when a home's second floor is uncomfortably hot
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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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Two Carbon-Smart Ideas in the Attic
Details on insulating and air-sealing unconditioned attics that lower embodied carbon
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Ducts in an Unconditioned Attic
The best place for ductwork is inside the thermal boundary of the house, not in an unconditioned, vented attic