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An evaporative cooler uses a combination of a water source and a fan to blow air that has moisture (water that has evaporated) in it into an area. In order for water to evaporate, it needs a heat source. An evaporative cooler uses warm air as the heat source to evaporate the water. When the water … continue reading 
Stop that AC unit! ***Update – 8/20/2010 – The post below was originally posted in June of 2009 and has been incredibly popular. In that original post, I included a calculator to help people analyze how much electricity their AC unit consumes, but I’m not including it in this re-post because of some … continue reading 
If you live in a home that has central heat/AC or if you have a car, then you have air filters. And if you haven’t changed them for awhile, then chances are your systems are using more energy than they need to and hurting their performance. For most homes and cars, changing your air filters … continue reading 
Solar Screens: Before and After There are three main ways to lower your energy usage due to air conditioning in the summer: Insulate your home so cool air doesn’t leak out I’ve been … continue reading 
It seems that once a company (this one being Fridge Electric) gets a “Don’t Buy!” rating from Consumer Reports (for their Cool Surge evaporative cooler) they just figure they have to wait a summer and release it under a new name: Mira-Cool. The Consumer Reports article on the air cooling unit opens with: The Cool Surge … continue reading 
Department of Energy Zero Energy Homes After working through several projects to retrofit an existing home to make it more energy efficient, it’s hard not to think about what could be done by starting from scratch. A clean slate isn’t something that everyone will get when it comes to living in an energy … continue reading 
DIY Home Energy Audit Having a professional Home Energy Audit is a great investment to make when you need help planning your home energy upgrades. However, in the spirit of Mapawatt and empowering readers to take control of their energy usage, we’ll offer the reader a “Do it Yourself Home Energy … continue reading 
I first wrote about Home Star in March, when Obama was in Savannah, GA proposing the program. Three months later and Congress has passed H.B. 5019 – Home Star Energy Retrofit Act of 2010, a.k.a. Cash for Caulkers. All of this was probably helped out by V.P. Biden’s report delivered in October of 2009 titled … continue reading |
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