Leaky joints or cracks in a building can lead to heat loss. Homeowners who want to detect such energy leaks in their home can ...

Then he headed into the basement to test my furnace, air conditioner and water heater ... After the basement, Portman assembled a contraption called a blower door. He jammed a bunch of airtight ...

It’s easy to feel that little changes you make in your own life don’t have impact on the world, especially if you don’t see ...