Residential HVAC Mythbusting
Two nagging duct questions answered
Ground source heat pumps (sometimes called geothermal heat pumps, Geo-Exchange Systems, or GHPs) most often exchange heat with the ground by means of a ground heat exchanger. [continue reading]
To test the feasibility of building new single-family homes that cut air conditioning use to a minimum, researchers here at the Florida Solar Energy Center (FSEC) recently built a 2,425 ft2 home in central Florida using many proven energy-saving building strategies, along with a 4 kW photovoltaic (PV) array that could meet most of the home's daytime electrical demand. [continue reading]
Many U.S. homebuilders and buyers view compressor cooling as a necessity, even in mild climates. But the widespread use of compressor cooling causes several problems, especially in warmer regions like the West Coast. [continue reading]
Whole-house fans cool homes very efficiently in many parts of the country. But they have come under fire for creating leaks into the attic, causing potential depressurization problems, and being noisy. [continue reading]
In 11 Florida homes with roofs coated with a white material during midsummer, average air conditioning energy use decreased by 8 kWh/day, or 19%. [continue reading]
As part of its efforts to promote energy-efficient residential HVAC systems, the Sacramento Municipal Utility District (SMUD) looked into air conditioner sizing. [continue reading]
Along with conducting detailed load calculations of 40 Sacramento homes, we asked homeowners to complete a brief survey. [continue reading]
Homeowners may continue to enjoy their single pane glass windows and gain energy efficient advantages for up to 80% ...
Last summer, DOE issued new efficiency standards for furnace fans, which are a little-known energy hog that may be lurking ...