How to Check the Air Conditioner When Buying a House in Florida

infrared thermometer

infrared thermometer

We all know that we can’t survive in south Florida without an effective air conditioner, so what should you or your home inspector look for when buying a house?

1. First off, you want to make sure that it is cooling effectively and this can be done by measuring the difference in temperature between the air going into the air conditioner (the return) and the air coming out (supply). A 15-20 degree difference is generally considered normal. An infra-red thermometer is very helpful for doing this.

2. Secondly, you want to know how old the unit is. In Florida the life expectancy of an air conditioner is generally considered to be about 12 years (less if you live close to the beach). Of course, they can run much longer but they will be less efficient and probably cost you more in repairs. Sometimes the year of manufacture is on the data plate or you may be able to work it from the serial number (usually in the first 2 to 4 digits).

air conditioner age

2009 air conditioner

3. So it’s cooling effectively and is less than 12 years old but how well has it been looked after? Sometimes a service history is stuck to the air handler, otherwise take a look at the air filter and coils. Hopefully the coils are relatively clean and not clogged up.

dirty a.c. coil

dirty air conditioner coil

There are other things to look for as well, but these are the most important. So should you buy a house with an old or poorly working air conditioner? That is a decision for the buyer to make but the good news is, new air conditioners are far more efficient than they used to be. The savings in electric bills may pay for the cost of the air conditioner within 2 or 3 years.

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