Cellulose: Insulation product made from recycled newspaper and fire treated with boron or amonium sulfate. Cellulose can reach areas that most insulations struggle to be installed in existing homes.

Fiberglass: Recycled glass product made from glass and recycled glass product.

Foam: Primarily found in two forms, Extruded and expanding foams have

Rock Wool: Gray insulation material located in many houses built in the 60's and 70's in Colorado. Also known as mineral wool in other parts of the county, this insulation can be very itchy.

Air Sealing: Homes leak an average of 60-80% of their air every hour. Stopping air from moving through insulation is highly important to improve the effectiveness of certain types of insulation. Furnace flues, dropped kitchen soffits, garages with rooms above and other areas inside the attic and the crawlspace is common for homes that are built before 2008.

EEBC: Energy Efficient Business Coalition ~ local business association working to promote energy efficient solutions for the energy efficiency field. The EEBC is working with Xcel to help implement better energy efficiency practices.

Channel 7 Go Green: Channel 7 is now sponsoring a go green campaign. Find leading energy efficiency business located on their web site.

Multifamily Units: Multifamily units are residencies that contain more than four single or family dwellings.

CAZ Zone: Combustion Appliance Zone: Utility room or other area housing combustion appliances such as a furnace, boiler or hot water heater. Safety Tests performed in a CAZ test may include draft, spillage, gas, and carbon monozide testing.

Blower Door Test: Depressurization test where a fan pulls air out of the house. A number is instantaneously calculated for the cubic feet per minute (CFM50) of air that the house looses. After adjusting for the volume of the house, the natural air changes per hour may be calculated.

Energy Audit: Test of how your house is losing energy. Most energy audits focus on non-electrical forms of energy.

Home Performance with Energy Star (HPwES): National program that is ran by local sponsors. HPwES is available in Colorado Springs, Boulder, Denver and Fort Collins Areas. Contractors qualified to offer HPwES can test before and after the house has work done on it with a blower door and CAZ safety test. Independent verification is performed on a variety of programs. Companies whom qualify to offer HPwES have undergone an indepth training with other top contractors and educators.

NACH: Natural Air Changes per Hour: The % of indoor air that is leaked to the outside for every hour.