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NOT SURE?

Call Modern Comfort Systems customer service department around the clock for professional help troubleshooting your sytem.

410-876-2200

or
410-848-2200

 


Troubleshooting
This section is provided as a guide to help homeowners perform simple troubleshooting steps. They may help you restore comfort to your home and save you time and money.

If the problem is not resolved after performing the steps provided in the Troubleshooting Topics, we strongly suggest that you call the professionals at Modern Comfort!

WARNING! Maintaining and repairing your heating and cooling system requires special tools and testing equipment. While you may have some of the tools needed, chances are you will get just “so far” in troubleshooting before you risk one or more of the following:

Damage to your equipment. Such damage will not be covered under the manufacturer’s warranty, nor your Modern Comfort Systems service & repair plan. Manufacturer warranties and /or service & repair plans may become void.
Bodily injury. For example, oil systems contain high-voltage ignition transformers; gas systems have hot surface igniters; some air conditioners run at pressures near 700 pounds per square inch. Any of these can cause serious injury.
Release of refrigerants into the atmosphere. The EPA has strict laws to protect the environment.


Troubleshooting Topics
I Smell Gas!
Propane
Natural Gas
How do I tell them apart?
No Heat
  Oil Furnaces, Boilers & Water Heaters
  Propane Furnaces, Boilers and Water Heaters
  Natural Gas Furnaces, Boilers & Water Heaters
  Heat Pumps
No Cooling
Insufficient Heating or Cooling
Water leaking at furnace or air handler
Humidifiers
Unusual Noises