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Advice for Getting the Most Out of Your Insulation Contract
Hint: The same amount of insulation doesn’t always give you the same R-value
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Installing Insulation With the X-Floc Ventilated Dry Injection System
A Massachusetts company claims, “We don't just do cellulose; we do it better.”
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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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Kingspan Kooltherm Phenolic Foam Rigid Insulation
A deep-energy-retrofit project uses Kooltherm as part of a high-performance attic insulation system
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Adjusting Bath Fan Use in Winter
Do you really need to run it when you shower?
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Ventilating a Home in Cold Weather
You need fresh air, but bringing in cold outdoor air can cause problems
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Night Surveys: The Lights Are On, But Nobody is Home
How Yale University's energy manager uses after-hours walk-throughs to save energy
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The Buy-in Problem
From code compliance to Passive House certification, getting good work from contractors is hard
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Exterior Insulation on 2×4 Walls Versus 2×6 Walls With Cavity Insulation Only
A look at some modeling results may help you decide
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How Does a Heat Pump Get Heat From Cold Air?
The physics of heat pumps isn’t really that difficult to understand