Tag: hvac
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Why Do We Measure Air Conditioner Capacity in Tons?
Subtitle: Like modern air conditioning, the expression has a cold-climate origin Images: A few years ago, a HERSIndex or scoring system for energy efficiency established by the Residential Energy Services Network (RESNET) that compares a given home to a Home Energy Rating System (HERS) Reference Home based on the 2006 International Energy Conservation Code. A…
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A PhD and an Architect Build a Net Zero Home
Subtitle: The North Carolina residents explain how they did it and what they would do differently next time Images: …
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Guest Post: DOE Backs Down on Higher Furnace Efficiency Standards; Air Conditioning Standards also Being Challenged
In late 2011, the Department of Energy (DOE) announced increases in the minimum efficiency standards of residential furnaces and air conditioners. In the 30 northern states, the minimum efficiency rating of new furnaces was to be raised to 90 percent from its current level of 80 percent, starting May 31st, 2013. In the 20 southern…
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Does a Heat Pump Condenser Need to Go Outdoors?
Subtitle: Once you look at the necessary heat exchanges, the answer is clear Images: …
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4 Energy-Efficient Products to Keep You Warm and Green This Winter
From the Green Builder magazine’s annual Editor’s Choice list of The Top Hot 50 Products for green building, we have selected four of their featured eco-friendly products that will help to keep you warm for the rest of the winter (or help you get ready for the winter of you’re south of the equator). Selection…