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What is the Most Common Furnace Problem?

Expect a Higher Level of Service

Your furnace is the unsung hero of your home, keeping you warm and cozy during the chilly months. However, like any other appliance, it can develop problems over time. When your furnace isn’t working correctly, it can be frustrating and uncomfortable. In this blog post, Air Supply Heating & Air Conditioning will discuss common furnace issues and provide some DIY solutions to help you stay warm and save money on repair bills.

1. Heat or Insufficient Heat:

Possible Causes:
– Thermostat issues
– Clogged air filter
– Pilot light problems
– Gas supply issues


DIY Solutions:
– Check and set the thermostat correctly
– Replace a dirty air filter
– Relight the pilot light (if applicable)
– Verify the gas supply and pilot flame (if gas furnace)

2. Furnace Making Strange Noises:

Possible Causes:
– Rattling, banging, or squealing sounds
– Loose or damaged components


DIY Solutions:
– Tighten loose screws or bolts
– Lubricate moving parts
– Replace damaged or worn-out parts

3. Frequent Cycling On and Off:

Possible Causes:
– Clogged air filter
– Thermostat issues
– Overheating


DIY Solutions:
– Replace the air filter
– Check thermostat settings
– Ensure proper ventilation around the furnace

4. High Energy Bills:

Possible Causes:
– Inefficient furnace
– Poor insulation
– Leaky Ducts


DIY Solutions:
– Schedule regular furnace maintenance with one of our professionals at Air Supply Heating & Air Conditioning
– Improve insulation
– Seal duct leaks

5. Furnace Won’t Turn On:

Possible Causes:
– Electrical issues
– Faulty thermostat
– Ignition Problems


DIY Solutions:
– Check circuit breaks and fuses
– Test and replace thermostat if needed
– Inspect and clean ignition components

6. Uneven Heating:

Possible Causes:
– Blocked vents
– Ductwork issues
– Zoning problems


DIY Solutions:
– Ensure vents are open and unobstructed
– Inspect ducts for leaks or blockages
– Adjust zoning settings if applicable

7. Furnace Emitting Strange Odors:

Possible Causes:
– Dust and debris burning off
– Gas leaks (for gas furnaces)


DIY Solutions:
– Allow the furnace to run for a while to burn any accumulated dust
– If you suspect a gas leak, immediately shut off the gas supply and contact our HVAC experts at Air Supply Heating & Air Conditioning

Proper maintenance and troubleshooting can resolve many common furnace issues. However, if you’re unsure about any furnace repair task or the problem persists, it’s essential to seek professional help. Regular furnace maintenance by a licensed technician can also prevent many of these issues from occurring in the first place. Call the experts at Air Supply Heating & Air Conditioning to save you time and frustration. Our experienced technicians can help remedy any issues you may be experiencing quickly and efficiently. Remember, a well-maintained furnace not only keeps you warm but also helps you save on energy bills and ensures your home remains comfortable throughout the winter months.

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