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Signs That It’s Time for A Furnace Repair

November 17, 2016 | Blog

Many homeowners tend to wait for major issues to occur with their heating system rather than investing in preventative maintenance to catch repairs before they cause problems. However, this kind of passive HVAC maintenance can reduce the energy efficiency and lifespan of your system.

The best way to avoid letting HVAC problems go unnoticed is to learn how to spot them before your heater breaks down. Look for these signs that your furnace needs repairs.

It’s Getting Old

Furnaces can last for 20 to 30 years, so take extra care to monitor your heater’s condition if it’s within this age range. It will likely need more repairs as it gets older. If your furnace needs frequent, expensive repairs, it’s probably time to replace it altogether.

To take care of your unit well and make it last longer, schedule regular maintenance and tune-ups. These preventative measures will help keep your system running better for longer.

High Energy Bills

A system that is not maintained properly is most likely working inefficiently, causing higher energy bills. This happens because the system must work harder to meet your heating and cooling needs, causing it to use more energy. While a slow and steady increase in energy consumption is normal as your system ages, a sudden increase indicates a problem. If you experience a sudden increase in costs, have your heating system checked immediately.

Visible Defects

It’s never a good sign on any appliance to see visible damage. Furnaces are no different. Rust, dents, dirt and other visible deterioration of the equipment is a sign that you need repairs.

Unusual Odors and Sounds

Especially if your furnace runs on gas, unusual odors are a cause for concern with your furnace. If your furnace has a smell when it runs, have a technician inspect it for problems. If you smell rotten eggs at any time in your home, evacuate immediately and call gas emergency services for help before calling your HVAC technician.

Odd noises are also a cause for concern. Overall, your heater should run quietly, so banging, rattling, hissing and other persistent unusual sounds are a sure sign of a problem with the system. This kind of problem is likely minor, but repairing it immediately prevents the damage from escalating.

If you suspect an issue with your furnace based on any of these signs (or a combination of them) contact Big Mountain Heating & Air Conditioning today. We proudly serve the Sacramento area with both furnace repairs and preventative maintenance.

Contact us today, and let us keep your heating system purring through the Winter months.

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What Our Customers Have To Say

Good Rebates

This is a review for a complete HVAC system replacement from Big Mountain. I started at the SMUD website looking for the best rebate program and found a list of contractors there. I vetted out companies that had a lower number of completed jobs per the SMUD rebate program data.

Lee S.

Very Professional

Had my A/C go out yesterday, called Big Mountain today and they had a serviceman in my area of Lincoln, he was here within a half hour and fix my unit in a very professional manner, and the cost was reasonable. I was very impressed with the company and the serviceman.

Tom D.


I had a appointment with them between 1-3 and one of their staff members called me and kept me updated when they will arrive which was nice. Steve arrived on time and was really nice for explaining what could the cause be. My ac fan was working but cool air wasn’t coming out.

Krystal L.