Home Cooling Systems - Department of Energy
When considering cooling options for your home, air conditioning might be the first thing that comes to mind. While essential in the hottest climates, there are many energy-efficient alternatives for milder conditions.
Air Conditioner Maintenance - Department of Energy
A well-trained technician can diagnose and fix issues with your air conditioning system. Here's what they should do: Check the refrigerant charge and test for leaks. Capture any evacuated refrigerant to prevent illegal release. Check and air seal duct leakage in central systems. Measure airflow across the evaporator coil.
Thermoelectric Coolers - Department of Energy
Thermoelectric cooling is a new technology that has the potential to revolutionize the way things are kept cold, whether it is food, wine, beer or cigars. In fact, it is a completely different approach to refrigeration from standard compressors. How Compressor Coolers Work. Compressors are the heart of refrigerators and air conditioners.
Central Air Conditioning - Department of Energy
Central air conditioners circulate cool air through a system of supply and return ducts. Supply ducts and registers (openings in the walls, floors, or ceilings covered by grills) deliver cooled air from the air conditioner to your home.
Air-Source Heat Pumps - Department of Energy
An air-source heat pump can provide efficient heating and cooling for your home. When properly installed, an air-source heat pump can deliver up to two to four times more heat energy to a home than the electrical energy it consumes.
Consumer Guide to Home Heating and Cooling Fact Sheet
Learn about types of heating and cooling systems, system maintenance, and best practices for saving energy with your heating and cooling. This fact sheet from Energy Saver also includes information on buying a new heating or cooling system; efficiency ratings; and selecting new systems including air conditioners, heat pumps, and furnaces.
Common Air Conditioner Problems - Department of Energy
For a list of common air conditioner problems and what to look for, check out our Energy Saver 101 infographic on home cooling. Other common problems with existing air conditioners result from faulty installation, poor service procedures, and inadequate maintenance .
History of Air Conditioning - Department of Energy
2015年7月20日 · The system used 35,000 cubic feet of air per minute to cool the 1,000-seat auditorium, the rotunda and other rooms within the Missouri State Building. It marked the first time the American public was exposed to the concept of comfort cooling.
Ductless Mini-Split Air Conditioners - Department of Energy
Check out our Energy Saver 101 infographic on home cooling to learn how ductless, mini-split air conditioners stack up against other cooling systems. Like central systems, mini-splits have two main components: an outdoor compressor/condenser, and an indoor air-handling unit.
Ventilation Systems for Cooling - Department of Energy
Principles of Heating and Cooling. It is important to understand the roles of conduction, convection, radiation, and perspiration. Avoiding Heat Buildup. Keeping the outside heat outside, avoiding heat-generating activities, and using spot ventilation can help keep your home cool during hot days.