Selling Comfort and Providing Energy Efficiency
On a mission to help people make homes more energy efficient? So are we. Indow sells and installs interior window inserts in homes that help homeowners stay warmer in the winter and cooler in ...
An understanding of some basic energy concepts is essential to choosing appropriate windows and skylights. [continue reading]
Urethane foams can make a major contribution to improving the energy efficiency of buildings when they are used as an air leakage control material or as a component of an air barrier system. [continue reading]
Most newer manufactured homes in the Pacific Northwest, as well as many older mobile homes, have a vapor retarder on the inside of the wall cavity--typically right behind the gypsum board. However, many older mobile homes, especially those built before the 1980s, were manufactured with a vapor retarder on the outside of the wall cavity--generally right behind the metal (or sometimes wood) siding. [continue reading]
Just because a wall has R-19 insulation in it does not mean it's an R-19 wall. Using the R-value of the insulation between the studs (the "cavity R-value") as an overall wall R-value is similar to using the center-of-glass value for a window--it ignores the effect of framing. [continue reading]
A new and improved version of the most widely used computer software for analyzing retrofit energy savings from utility billing data is now available. [continue reading]
HPC develops new approaches to federal, state and local policies that promote growth in the residential energy efficiency sector through ...
Net-zero energy homes seem to be growing their way out of a purely niche market. The number of zero energy ...