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Tuesday, 22 May 2018 18:09

New Home Air Conditioner Inspections

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New Home Air Conditioner Inspections

If you're buying a home you'll have a lot of items on your home inspection checklist. Among the most important is the air conditioner. Here are a few simple things you can check yourself to ensure that the air conditioner is working properly and has been regularly maintained.

Air Conditioner Inspection

Check the Condenser Unit Outside the Home

The outside section of the air conditioner, called the condenser, should be clean and unobstructed. The unit draws air in from the sides to dissipate heat so ensure that there are no trees, shrubs or other objects near the unit that could be obstructing the flow of air and reducing efficiency. The fins and condensing coils of the air conditioner should be clean, without excessive dirt or debris that could also reduce performance.

The air conditioner should be sitting on a clean level surface, preferably a stone or cement slab. The unit may also be suspended from the side of the house. In either case ensure that the unit is level and that the refrigerant lines are not stressed.

Inside the Home

If the AC is not running, turn the thermostat down about five degrees cooler than the indoor temperature. Once the AC is on check outside again to ensure the fan at the condenser unit is turning. The unit should make a steady sound when operating. If it makes rumbling, rattling or other strange sounds or surges, a cooling technician should inspect the unit further.

Check that the air filter is clean and the right size for the unit. A dirty filter reduces air flow, which reduces efficiency and increases the likelihood of problems.

After the air conditioner has been running for at least 15 minutes, check the temperature of the conditioned air coming out of the register closest to the evaporator cooling inside the home. Blowing air will feel cool on your skin, so use a thermometer to accurately measure the temperature and ensure it's cold.

In addition to removing heat from the home, an air conditioner also removes moisture from the air. This is the job of the evaporator coil. A drain pan sits below the evaporator coil and empties condensation (water) into a drain line. Ensure that the line is unobstructed and the pan is draining completely.

While the above items cover the basics of a central air conditioner inspection, there's no substitute for a thorough, professional cooling system inspection performed by a trained technician. So the next time you're moving into a new home, give us a call. You'll rest easy knowing your air conditioner is operating reliably and efficiently.
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