Questions & Answers on Ozone Depletion
What is the ozone layer and why is it important? The ozone layer is a concentration of ozone molecules in the stratosphere. About 90% of… Read More
January 5
Benefits of the CFC Phase-out
The CFC phase-out is already producing benefits for the environment, businesses, and individuals. This fact sheet explains some of these benefits. Several case studies of… Read More
January 5
Ozone Science: The Facts Behind the Phase-out
The Earth’s ozone layer protects all life from the sun’s harmful radiation, but human activities have damaged this shield. Less protection from ultraviolet light will,… Read More
January 5
Money and Energy Saving Air Conditioner Tips
Air Conditioners It might surprise you to know that buying a bigger room air-conditioning unit won’t necessarily make you feel more comfortable during the hot… Read More
January 5
Central Air Conditioning 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… Read More
January 5
Right-Sized Air Conditioners: Mechanical Equipment Improvements
The ENERGY STAR Program promotes right-sized air conditioners where heating and cooling contractors carefully match system capacity to home cooling needs. Homes that include features… Read More
January 5
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 heat), radiant panels, and… Read More
January 5
Types of Cooling Systems
Central Air Conditioners Central air conditioners circulate cool air through a system of supply and return ducts. Supply ducts and registers (i.e., openings in the… Read More
January 5
Understanding Air Conditioning
Energy-Efficient Air Conditioning Are you considering buying a new air conditioner? Or, are you dissatisfied with the operation of your current air conditioner? Are you… Read More
January 5
How to Maintain Your Home’s Heating & Cooling Equipment to Save Energy
Just like your favorite car, your heating and cooling system needs a regular trip to the mechanic to keep it purring. Without regular servicing, heating… Read More
