Efficient water heaters will make homeowners sing in the shower--and when they get their energy bills.
Advanced fresh air systems improve indoor air quality and maintain comfort using the least possible energy.
Ductless variable-speed HVAC systems offer impressive energy savings, so why haven't they caught on in the U.S.?
Next-generation thermostats offer greater savings and simpler operation, and will soon be eligible for Energy Star certification.
Today, most builders familiar with efficient lighting think CFLs. But the rapid pace of innovation, increased availability, and falling price of LEDs are likely to catch builders’ attention very soon.
