30 Steps to Energy Efficiency - Step 12: Check Your Windows for Drafts

Did you know that heat transfer through windows can account for up to 25 percent of your energy bill by allowing heat out during the winter, and makes your air conditioner work overtime to combat the sun’s warming? Drafts and leaks can be the biggest culprit of energy waste but can also be fixed with relatively little effort.

Energy Saving Window Film Could Save Tons of Oil

The International Window Film Association says older dwellings can reduce energy use with energy saving window film, which was recently voted into the new California building energy codes.

Fun with PWM (Pulse Width Modulation)

Can party technology teach you about energy savings and even the theory behind electric cars? It sure can if you follow this simple video tutorial on pulse width modulation.

Woodstove Air Supply

Woodstoves can have indoor or outdoor air supplies depending on factors and requirements for the building.