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FAQs About Radon
Frequently Asked Questions About Radon Exposure to Radon How does radon get into the environment? Radon-222 is the radioactive decay product of radium-226, which is…
Energy Efficiency Ratings & Terms
Efficiency Ratings The materials from which a building is constructed, as well as the systems and appliances installed there, can dramatically affect the amount of…
Ductless: Advantages & Disadvantages
Ductless, Mini-Split Heat Pumps Ductless, mini-split-system heat pumps (mini splits) make good retrofit add-ons to houses with "non-ducted" heating systems, such as hydronic (hot water…
Dryer Fire Facts
Dryer Fire Safety Fires can occur when lint builds up in the dryer or in the exhaust duct. Lint can block the flow of air,…
Cooling Equipment Efficiency Criteria
Air-Source Heat Pumps and Central Air Conditioner Key Product Criteria Equipment Specification Air-Source Heat Pumps >= 8.2 HSPF/ >=14 SEER/ >=11.5 EER* for split systems…
Controlling Indoor Air Pollution
The three most common approaches to reducing indoor air pollution, in order of effectiveness, are: Source Control: Eliminate or control the sources of pollution; Ventilation:…
Combustion Appliances – Indoor Air Pollution
What You Should Know About Combustion Appliances and Indoor Air Pollution Hazards may be associated with almost all types of appliances. The purpose of this…
Central Air Conditioner Definitions
Air Conditioner: Assembly of equipment for the simultaneous control of air temperature, relative humidity, purity, and motion. Air Cooled: Uses a fan to discharge heat…
What Carbon Monoxide Detectors Will & Won't Do
Carbon Monoxide Alarms What they can and cannot do CAN - sense unacceptable levels of CO in the air CAN - provide early warning, before…
Biological Pollutants in Your Home
Outdoor air pollution in cities is a major health problem. Much effort and money continues to be spent cleaning up pollution in the outdoor air.…