How to Troubleshoot a Problematic Gas Furnace

How to Troubleshoot a Problematic Gas Furnace

Name: Rodenhiser Plumbing, Heating, Air Conditioning & Electric
Address: 325 Hopping Brook Rd, 01746, Holliston, MA
Telephone: 508-321-3089
Rating: 5

We're poised for another long, cold, Newton MA winter. The worst thing that could happen is for the furnace to break down, leaving you out in the cold. But don't panic. It's not the end of the world, and the problem may be just a quick fix. Before you call in an HVAC technician for repairs, here are a few common problems to help you in troubleshooting a gas furnace.

Furnace won't turn on. When troubleshooting a gas furnace, it's best to start with the most obvious solutions. First, check the thermostat. Is it on? Does it need new batteries? Try turning it up a few degrees to see if it kicks in. If that doesn't work, check the furnace itself to make sure it's turned on, as well as the circuit breaker to be sure it hasn't been tripped.
Not enough heat. The furnace is running, but it's still too cold. It takes forever to warm your house and you're wasting energy. The problem may be the air filter. If you don't change it regularly, the filter can get clogged, restricting airflow and therefore heat. Replace the air filter every one to three months to keep air flowing freely.If this doesn't help, the problem may be that the burners need adjustment, in which case you'll need to call an HVAC technician.
Furnace cycles on and off frequently. This could also indicate a clogged air filter, as well as possible problems with the motor. It may also be a sign that the furnace is too big for your home. After checking and replacing the filter, oil the blower motor lubrication ports, then check the belt to be sure it's not too tight, too loose, or damaged. If this doesn't help, call an HVAC technician.
Furnace is noisy. First identify the type of noise. Squealing may mean the belt and motor need oil. A rumbling sound could mean the gas burners need to be cleaned or adjusted by an HVAC professional.

For more tips on troubleshooting a gas furnace, contact our experts at Rodenhiser Plumbing, Heating & Air.

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You Can Depend On Rodenhiser

Call Rodenhiser at 508-321-3089

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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.