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Top 10 Most Common Furnace Problems

Written by bluecorona | January 12, 2024

Technician repairing furnaceYou count on your furnace to be dependable and hardworking all winter. Ensuring the reliability of your furnace is critical for our bitter winters in the Madison, WI, and Dane County area.

At All Comfort Services, we understand the importance of a well-functioning furnace to keep your home warm and comfortable. However, homeowners can face unexpected furnace problems.

Here are the top 10 most common furnace problems and how to address them, explained by the experts at All Comfort Services.

Not Scheduling Routine Maintenance

Furnace maintenance may seem unnecessary, but it protects the reliability of your furnace. Skipping routine maintenance is a common oversight by homeowners that can lead to significant furnace problems.

Regular checkups by professionals like those at All Comfort Services can prevent unexpected breakdowns and extend the life of your furnace. Our experts will inspect and clean your furnace. We’ll make the necessary adjustments so your furnace is ready when you need it.

Dirty Air Filters & Ductwork

Dirty air filters and ductwork force your furnace to work harder, which reduces its efficiency and life span. Regularly changing filters and cleaning ducts can drastically improve your system’s performance and improve your indoor air quality.

Normal Wear & Aging

Like any appliance, furnaces experience wear and tear over time. Aging can decrease efficiency and increase the likelihood of breakdowns.

For peace of mind before the cold weather arrives, consider having older systems evaluated by our team to maintain optimal performance.

A Yellow or Unlit Pilot Light

A yellow or unlit pilot light can indicate ignition problems requiring immediate attention.

This serious issue could have various causes, including a dirty pilot light opening or a malfunctioning safety switch. If you notice this issue, it’s best to contact us for quick and safe repairs.

Malfunctioning Thermostat

A faulty thermostat can lead to fan issues or uncomfortable temperatures in your home. It might result in the furnace not cycling on and off properly or not responding to temperature adjustments.

Our technicians can diagnose and repair thermostat problems, keeping your home comfortably heated. A well-functioning thermostat is also part of efficient energy use and maintaining consistent comfort levels.

Furnace Isn’t Turning On

If your furnace isn’t turning on, it could be due to issues with the thermostat setting, power, gas, or the pilot light. Sometimes, it might also be a circuit breaker issue or a problem with the furnace’s internal wiring.

For troubleshooting and repair, All Comfort Services is just a call away. We’ll ensure a thorough check to diagnose and fix the problem promptly.

Not Enough Warm Air

Insufficient warm air may be caused by a clogged filter or lack of maintenance. In some cases, it could also be from a problem with the furnace’s blower or a leak in the duct system.

Regular service checks can prevent this and ensure your furnace operates efficiently, delivering the warmth your home needs.

Frequent On & Off Cycling

Frequent cycling could be a sign of a clogged filter, improper airflow, or a bad thermostat setting. This problem affects comfort and can also put stress on your furnace, leading to premature wear and tear.

Addressing these issues promptly can save you from larger, more costly repairs down the line while keeping your system running efficiently.

A Continuously Running Blower Motor

If your blower motor runs continuously, it could indicate a problem with the limit switch. This might also signify issues with the thermostat or a short in the electrical system that controls the blower.

Our team at All Comfort Services can diagnose and repair this quickly, restoring the proper function of your heating system and ensuring your comfort.

Odd Sounds From the Furnace

Unusual noises from your furnace can be alarming and may signal internal problems. Sounds like banging, whistling, or grinding could mean issues like loose components or a failing blower motor.

If you hear strange sounds, it’s best to have your furnace inspected by our professionals. Early detection and repair of these issues can prevent more serious damage and costly repairs.

Schedule Furnace Repair With All Comfort Services

Furnace on white backgroundWhen you need furnace repairs, trust All Comfort Services. Let us ensure your comfort with reliable and efficient furnace services. We pride ourselves on our commitment to value, quality, and 100% customer satisfaction.

We’re committed to building long-term relationships through exceptional service and superior work in the McFarland, Madison, Fitchburg, Cottage Grove, and Monona areas.

Schedule furnace repair with All Comfort Services by calling (608) 838-7300.

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