Did you know that you can reduce your home energy usage by up to 50 percent just by getting your air conditioner checked regularly? This infographic from an air conditioning repair company in Woodland Hills shows you how.
Ten Myths About Geothermal Heating and Cooling - It would be cool to have geothermal HVAC and hot water.
As nights start getting colder, more and more people will be switching on their heating systems. ENERGY STAR has a number of tips on getting the most out of your heating and cooling for lower energy bills year-round.
The solar envelope: how to heat and cool cities without fossil fuels by Kris De Decker This looks like an interesting article to read about urban design and orientation... could also be categorized in "Urbanism" and "Structure" (note to self)