Selling Thermostats that Save Customers Energy and Money
When you think of industries offering the latest technology, computer software, social media, and cell phone companies may come to mind first. But when I reflect back on my 27 years in the residential HVACR industry, ...
When something must be done about an old or inefficient heating system, the challenge can be daunting. The decision will affect comfort, energy costs, and the air quality and safety of a home for years to come. [continue reading]
In the Northwest, energy losses in forced-air systems average 25%-30% in electrically heated homes, with some homes being significantly worse. [continue reading]
Although the thermal shell of the typical mobile home has changed radically over the last 30 years, the air distribution system has not. The walls have gone from 2 x 2 framing with an R-4 fiberglass batt to 2 x 4 or 2 x 6 walls with a high-density R-21 batt (codes vary from state to state). [continue reading]
Powered attic ventilators, already suspected of using more energy than they save, can also create excess moisture, structural problems, discomfort, and combustion safety problems for home occupants, according to a recent study. [continue reading]
It is common practice in California to put ducts outside the conditioned space, in attics and crawlspaces. These duct systems are typically 50%-70% efficient due mostly to air leakage and heat transfer losses, while sealed conditioned-space duct installations have efficiencies over 90%. O [continue reading]
The next U.S. Department of Energy Race to Zero Student Design Competition (Race to Zero) will be held April 22...
Crowdsourcing. It’s a great way to gather input and enlist the minds of many to do good. With ...