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Make Sure to Inspect the Filter for your Air Conditioner

 

The filter for your air conditioner is the same as the filter for your furnace. It needs to be changed during the summer and winter. A dirty filter leads to reduced air flow, which reduces efficiency and increases the potential for problems.

 

After your air conditioner has been running for about 15 minutes, check the temperature of the air coming out to make sure the unit is cooling properly. Air blowing out of registers always feels cool on your skin, so don’t trust the way it feels. Use a thermometer to verify the air conditioner is actually cooling.

 

When checking the temperature differential, measurements should be taken as close to the air conditioner as possible. The difference in temperature between the air going in and the air coming out should be somewhere in the neighborhood of 15 – 20 degrees. If it’s much higher or much lower than that, it’s probably not cooling properly.

 

An air conditioner’s two jobs are to remove heat and remove moisture from the air. Condensation occurs at the box that sits on top of the furnace. This box is called the evaporator coil, and it’s usually shaped like the letter “A”, so it’s often called an “A-coil.” There’s a concealed drain pan below this coil which connects to the condensate drain line.

 

If the condensate line gets clogged or obstructed, you could cause damage to the unit, and possibly parts of the building. Keep the condensate line clean to help prevent this. To make sure there aren’t any hidden condensate leaks above the furnace, remove the blower door to the unit and look inside that compartment for moisture. If you find moisture, you have a condensate leak, which is probably the result of a clogged line. Anytime you notice an issue with the air conditioner or HVAC system, make sure to contact us so we can inspect the unit for you.

K&S has been your trusted Heating, Air Conditioning, Plumbing and Electrical partner since 1988.

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