How large of a central air unit do i need?

Answer On One Hand: Rule of ThumbA general rule of thumb is to take the square footage you wish to cool, then multiply that by 17 to 20, and adjust based on how hot your climate is. For example, a 2500-s... Read More »

Top Q&A For: How large of a central air unit do i need

Does the central air unit need to be covered for winter?

Unless you intend to move your central air conditioning unit indoors, you will need to cover it for the winter in colder climates, explains the U.S. Department of Energy. The cover helps prevent sn... Read More »

How often do you need to add freon to a central air conditioning unit?

Answer Never, an air conditioner is a closed system. If you need to add refrigerant you have a leak that needs to be repaired.In theory you should never have to add freon. but there can be some r... Read More »

I have a 1000 square foot house and need a new central ac. Is a 3 ton unit (roof model) sufficient?

There is more to the calculation than just square footage. Climate or region you live,windows and insulation, shade and sun exposure etc. a newer 1000 square foot home with thermal windows and door... Read More »

What is wrong when my central air unit fan continues to run even when the unit is off?

I'm assuming that you have it in heating mode and that it is a gas fired furnace. There is a fan that exhausts combustion air out of the combustion chamber. It runs for a few minutes after the bu... Read More »