EFI was incorporated May 25th, 1982 by six non-profit energy organizations with the purposes of helping those member groups and other organizations economically purchase quality conservation products...
This is a very well done guide to sealing up air leaks in your home. Lots of good how-to pictures. A couple small add-ons I would make: - Replacing older can lights so that you can insulate right...
The Home Energy Project Checklist will help you decide which energy conservation measures to adopt. It lists ?Current Conditions? in your house which call for improvement via an ?Energy Conse...
For climates with moderate heating and cooling needs, heat pumps offer an energy-efficient alternative to furnaces and air conditioners. Like your refrigerator, heat pumps use electricity to move...
John Wiles answers the charges that NEC compliance costs too much and imposes performance penalties in small scale RE systems.
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