"A few points to consider from the author.
1. From an efficiency standpoint electricity is a clear winner. The best gas appliances are 98% efficient. Electric appliances using heat pump technology are 200% to 400% efficient. Combustion safety is a…"
"Eric - Re:Filters. I agree that cheap filters do very little to catch PM 2.5. I was suggesting cheap filters after seeing tons of folks rush to the store and purchasing very restrictive "allergen" filters. Considering the condition of most…"
Position Title: Program Manager Terms: Full time, available immediatelyAbout Efficiency First California: Come join a clean-energy nonprofit! Efficiency First California (EFCA) is a 501(c)(6) nonprofit trade organization representing the Energy Efficiency industry. EFCA’s mission is to support growth of the energy efficiency industry and to represent the voice of the EE contractors in state policy discussions. For more information, visit our website,…See More
"I have seen resistance floor heaters add nearly $100 per month to an electric bill. Since most folks want warm toes in the morning I would treat them like a radiant heating system and cycle them on several hours before they typically wake up and…"
"Love them but...............
Get rid of the air plane propellers - spend the money and get a good one.
Need good fan, air tight with insulated doors. Ducted are quieter.
Need adequate ventilation, It's best to cut in an eyebrow or gable vent to…"
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This 1950s Montreal house was retrofitted to become a super efficient passive house by adding a 16 inch thick layer of cellulose insulation to the exterior. Maison Ozalée's builder, Richard Price from Construction Le Tournesol, also used triple…