Benefits of the CFC Phase-out
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

Ozone Science: The Facts Behind the Phase-out
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

Money and Energy Saving Air Conditioner Tips
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

Central Air Conditioning Definitions
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

Right-Sized Air Conditioners: Mechanical Equipment Improvements
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

Ductless, Mini-Split Heat Pumps
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

Types of Cooling Systems
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

Understanding Air Conditioning
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

How to Maintain Your Home’s Heating & Cooling Equipment to Save Energy
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

Limitations when Replacing Existing Heating Systems
January 5

Limitations when Replacing Existing Heating Systems

In an existing home, it’s important to consider the impacts of replacing your current heating system with a different type of heating system. The easiest… Read More