If you already have ductwork for your heating, adding a central AC system can cost less. If you are installing an AC system from scratch, your contractor should calculate the size of the cooling equipment you need by using recognized methods, such as those you’ll find in the Residential Load Calculation Manual, aka Manual J, from the Air Conditioning Contractors of America (ACCA). Plus, learn how to find a good contractor to do the work.Ĭheck CR's exclusive predicted reliability ratings for central air conditioning systems. Find out the details from our reliability survey, and learn about the types of central air conditioning systems available and how to choose and maintain them. Of the central AC systems covered in our survey, we predict that 36 percent will break or experience problems by the end of the eighth year of ownership. We learned how satisfied they were overall with their purchase, the cost of repairs, how many systems break, and which parts break most often. In our most recent central air conditioning survey, we talked to our members about the almost 24,000 new central AC systems they bought and installed between 20.
Instead, we ask our members about the systems they own. It’s not practical for Consumer Reports to test central air conditioning systems because there are so many variables, including a home’s size and design, how the system is installed, and construction of the ductwork. Of course, installing or replacing central air can be a huge expense, so you'll want to get it right. And eco-conscious consumers will be gratified to know that today’s air conditioners are more energy-efficient, which means they cost less to run while keeping you cool and comfortable. homes use air conditioning, and 90 percent of new homes are equipped with central air. With summer just around the corner, now is a good time to think about replacing your central air conditioning system, or installing a whole new one.
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