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3N640 N. 17th Street
St. Charles, IL 60174
phone: 630-377-3608
fax: 630-377-2833
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Air-Conditioner Service Prevention
Before calling for service if your air-conditioner is not working, check to see if:
- the thermostat switch is set to the proper position—heating or cooling.
- the set-point is below the room temperature.
- the furnace is plugged in and the power switch turned on. The air conditioner needs the furnace to circulate the air.
- the air-conditioning disconnect or breaker has been turned on. If you know how to check the fuses, see if any are blown.
- the furnace filter is clean.
Do not build sheds or roofs over your air-conditioner.
Do not set the thermostat for cooling below 68 degrees. This can cause a multitude of problems with your air-conditioner, including freezing up.
Remember to turn off your humidifier for the summer cooling system.
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