window

Unique air flow windows and dual air-conditioning systems provide occupant comfort and energy conservation.

Unique air flow windows and dual air-conditioning systems provide occupant comfort and energy conservation.

Sunlight from above can enliven a house dramatically. Designers, builders and homeowners who understand the energy aspects of skylights can best select them for comfort as well as appearance.

New research shows that replacing low efficiency window air conditioners with high-efficiency units can produce measurable savings and can be cost-effective in homes with high air conditioning electricity consumption.