Insulation and Air Infiltration - How to Save Energy The single
most important step in residential energy conservation is the
installation of thermal insulation. To make sure your home is
properly insulated, follow these tips: Energy-Efficient Tips for
Insulation and Air Infiltration • Check current insulation
levels, and properly insulate a new or existing home. The
Department of Energy's Home Energy Saver Web site* can help you
find out how much insulation is needed in your region. * (look
under "Insulation and Air Sealing" and click on "Tips from
Energy Savers") • Insulate ceilings, walls and floors over
unconditioned crawl spaces. • Find the obvious places where air
can sneak into your home, then make repairs to plug the leaks by
caulking, weatherstripping, and using plastic covers. • Also
check some of the other major air leakage areas, including: air
ducts; window sashes and frames; plumbing utilities and wall
penetrations; furnace flues; attic entrances; wall outlets; and
recessed light fixtures. • Fir