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How to Map Electrical Circuits
A systematic approach to mapping electrical panel circuits and organizing the data in preparation for going all electric
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Can Cold Surfaces Pull Moisture From Dry Air?
When water vapor from the air condenses on an interior surface that is lower than the dew point temperature, a moisture magnet is the result
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Will a Heat Pump Work in an Old House?
If the system is correctly sized and installed, then the answer is yes
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Variable-Capacity Heat Pumps
A new generation of high-tech heat pumps and air conditioners promises quieter operation, increased efficiency, and improved comfort
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Is Venting an Unconditioned Attic Necessary?
Air-sealing and insulation can go a long way toward addressing the issues with attics that are outside the conditioned space
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Heat Pump Water Heaters for Cooling
Factors for determining if a heat pump water heater can replace an air conditioner
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How to Protect Structural Insulated Panels for the Long Term
Air-sealing both the exterior and the interior panel connections promotes the product's longevity
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Supply and Exhaust Ventilation
I inspected the ventilation strategy in my hotel room, and monitored CO2 levels, and was reminded of the importance of balanced ventilation
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Integrating an ERV or HRV into a Forced-Air System
This economical approach to healthy indoor air quality has its challenges
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What to Know About a High Radon Test Result
Radon is an indoor-air-quality concern because it causes cancer. Here's a primer on testing for radon and understanding the result.