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Before You Call Your Technician, Use These Furnace Troubleshooting Tips

The furnace is a central component to your home's heating, cooling and ventilation (HVAC) system. Taking care of your furnace with preventive maintenance helps to keep problems from happening, but what about when your furnace does develop a problem?

The good news is that you won't need a repair technician for every issue. Use these furnace troubleshooting tips to help you assess the severity of the problem and know when to contact an expert.

Furnace produces no heat

  • Check your thermostat's settings to ensure it is in heating mode and that your temperature is set to an appropriate level.
  • If you know how, clean the contacts located inside of the thermostat.
  • Check the circuit breaker or fuse that controls the furnace; replace a blown fuse and reset a tripped circuit.
  • Older systems will have a pilot light. Check to see if you need to relight it if it has gone out.

Furnace doesn't produce enough heat

Furnace turns on and off too often

  • Check and clean the thermostat's contacts, if you've done this before.
  • Check the furnace filter; replace if necessary.

Blower does not turn off

  • Check the thermostat's settings to ensure it isn't set to "fan" mode.
  • Replace the fan limit control switch, located on the furnace, if you know how.

Many of the common problems that show up in furnaces are actually caused by the thermostat. If you've performed the tasks listed above, the problem may be with the thermostat.

However, most furnace problems do require professional help. If you're a novice, it's best that you don't attempt to fix a furnace, as your heating system is a highly complex piece of equipment, a significant investment and your family's source of comfort.

If you're unable to identify and fix your furnace problem yourself, contact the experts at Rodenhiser Plumbing, Heating & Air Conditioning for help. Proudly serving the Route 495/128 area of Norfolk MA, we're happy to answer questions or address your other heating and cooling needs.

Our goal is to help educate our customers about energy and home comfort issues (specific to HVAC systems).  For more information about furnace troubleshooting tips and other HVAC topics, download our free Home Comfort Solutions Guide.

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508-321-3089

You Can Depend On Rodenhiser

Call Rodenhiser at 508-321-3089

When you are looking for plumbing, electrical, heating or air conditioning in the Route 495 / 128 area, you will be delighted that you called Norfolk MA' trusted choice since 1928.

With a total dedication to professional workmanship and excellent service, discover why families and businesses continue to trust Rodenhiser after generations of service

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*Conditions apply, not applicable with any other offer, nor off any trip or diagnostic fee, or previous service. No cash value. Call For details. *For WEB-AC-CHECK Offer also: Promotional price limited to 1 system per home, additional units will be billed at full price. Refrigerant not included. Includes standard 1in air filter, other sizes subject to additional charges. Residential systems only. Must reside within our service area. *For WEB-A-50 Offer also: Not valid on preventative maintenance nor prior purchases. *For WEB-A-75 Offer also: Call or see specials page for more information. *For WEB-H-3250 Offer also: Subject to rebate eligibility and qualifying system choice. The $189 A/C System check examines and assesses the mechanical parts of the air conditioning system. Refrigerant not included. Promotional price applicable to 1 unit per household, additional units will charged at standard rate. Limited to residential homes within our service area. *$79 per drain. The $79 drain evaluation offer does not include any modifications, such as the installation of cleanouts or access points, required to perform the inspection on older homes with limited access to existing plumbing infrastructure. Conditions apply, not compatible with any other offer or discount.
*Heating system check terms and conditions: Residential Only. Must reside within our service area. Offer only available to 1 unit per household additional units are at full price. Can not be combined with other offers
*Late Season Special Extra Conditions: Gas Systems only. No Discounts on oil systems. Promotional price limited to one system per home, additional systems will be charged at full price. Residential Systems only. Must reside within our service area. *For EV Charger Offer also: valid only when the system is purchased through Rodenhiser.
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