How do you help save the environment? By using less energy! Whole house fan uses the equivalent to 3 light bulbs, now compare that to a Air Conditioner. Installed in the ceiling and designed to suck hot air out of the home and into the attic. This displaces the very hot air trapped in the attic and draws cooler outside air into the home to replace the hot air, creating a cooling breeze. You will be able to use a Whole House Fan for most of your cooling needs and reduce or eliminate the use of your A/C. Savings of up to 90% are common on your energy bill when switching from A/C.