Sizing a System | Air Repair Pros: Air Conditioning and Heating Services in Frisco TX

Sizing a System

Sizing a System

Your comfort depends both on reducing air temperature and removing humidity. An air conditioner should ideally run for 20 minutes or more on each cycle to cool the indoor air and to reduce humidity.

Oversized air conditioners run in short inefficient cycles. They waste energy since they must run for a few minutes at the beginning of every cycle just to cool down their coils, fins, and ducts. Only then can they cool and de-humidify your home. That cool-down energy is lost after the air conditioner shuts off.

An air conditioner’s ability to remove heat is expressed in BTUs per hour, or “tons” of cooling. Each ton equals 12,000 BTUs per hour. Your air conditioner should have a ton of cooling capacity for every 600 to 1,200 square feet of floor area, depending on your home’s energy efficiency and your local climate.

A poorly shaded home with little insulation and lots of air leaks might need a ton of air conditioning for every 600 square feet of floor area. A well-insulated and well-shaded home with few air leaks might only need one ton per 1200 square feet.

At Air Repair Inc., we size air-conditioning systems, using calculations. You can have the confidence that our precise calculations will allow us to choose the perfect size air conditioning system to meet the needs of your home.

Your new air conditioner will also have the ability to remove moisture and consider its sensible heat factor (SHF). The SHF is an important sizing consideration that rates the air conditioner’s moisture-removal capacity. The SHF is a decimal number between 0.5 and 1.0. The lower the SHF, the less efficient the system will be at cooling, but the more moisture it will remove from the air.

For more information regarding selecting the perfect size air conditioner please feel free to contact Air Repair Inc. at 972-625-1400.

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