Compact fluorescent light bulbs (CFLs) have made dramatic improvements in cost and quality since they were introduced to the market in the 1990s, but still are still seen by many as a compromise - sacrificing light quality for energy savings. So it may be surprising to learn that in a double-blind subjective test by [...]
The Kill-A-Watt electricity usage monitor lets you plug in any device and see how much energy it is consuming. It is great for plugging an old refrigerator into to determine the exact cost savings of a newer energy-efficient model. Plug a power strip into it to see how much energy your computer and [...]
Youngsville, NC-based Enertia® Building Systems, Inc. is a designer and manufacturer of Geo-Solar Homes. Their Passive Solar House is designed to be used year-round with no supplemental heating or cooling in mild climates, and minimal supplemental heating and cooling in more extreme climates.
The houses make use of two main passive heating and cooling principles.
First, [...]