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(763) 689-3141
24/7 Emergency Service

Heating System Troubleshooting

Trouble-Shooting: Boiler, Furnace, or Heating System Problems

Natural Gas Furnaces and Boilers:

  • Thermostat: Check settings. It should be set for 'heat' and the temperature set at least 3-5 degrees higher than the current room temperature.
  • Thermostat Battery: Check to ensure operation. Replace if needed.
  • Filter: Clean and Replace if Needed
  • Thermostat Switch: For forced air furnaces the thermostat switch for "fan;" is in the "ON" position.
  • Vents & Return Air Ducts: Check to ensure they are open and not blocked (forced air systems).
  • Service Switch: Ensure it is in the 'on' position.
  • Electrical Panel: Check Circuit Breakers. Reset any tripped breakers.
  • Pilot Light: If you have a standing pilot model gas burner make sure the pilot is lit.
  • Gas Meter: Make sure your gas meter is on, and service has not been interrupted.
  • Flue: Check to make sure the flue vents are not blocked on high-efficiency systems. Clear away any snow or ice.

Oil / Propane / LP Gas Furnaces and Boilers:

Repeat the steps listed above plus:

  • Fuel Level: Ensure you have enough fuel. Low fuel levels and cold weather can cause intermittent problems.

If Your Heating System is:

  • Water Leaking (Standing Water Anywhere Around the Unit)
  • Making Strange Noises
  • A Hard Time Starting
  • Takes a Long Time To Start Up
  • Lights Dim When System Starts Up
  • Runs Continually
  • Don't Wait. Call or Schedule Here for a professionally trained technician to come diagnosis the problem.

    See what makes T M Johnson Bros, Inc. your number one choice for Air Conditioner repair in Isanti MN.
    645 Emerson St N Cambridge, MN, 55008


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    For Air Conditioner repair in Mora MN, like us on Facebook!
    For Air Conditioner repair in Cambridge MN, visit us on Google!
    To schedule your AC installation in Mora MN, just email us!
    Read what your neighbors say about the Plumbing repair or installation we performed near Cambridge MN on Yelp!