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What You Should Expect from a Furnace Tune-Up

November 17, 2016 | Blog

Every HVAC company will tell you how important regular maintenance is for your heating and cooling system, and most homeowners listen and schedule their tune-ups. But have you ever wondered what exactly happens during a heater tune-up? We can tell you.

Why should you get a tune-up?

One of the main ways to minimize furnace breakdowns and to ensure that your system operates well is by scheduling regular HVAC tune-ups twice a year. The longevity of any mechanical equipment can be maximized through proper care and maintenance, and your furnace is no different. Tune-ups make sure your furnace is clean and ready for winter, and they catch unnoticed repairs before they become big problems.

What Happens During a Furnace Tune-Up

Full Inspection

There should be a comprehensive visual and point review to ensure that all parts of the duct system and furnace are working properly. A skilled technician is able to identify all the problems effortlessly and should be prepared for common repairs.


Lubrication is important to avoid friction between the operating parts of your furnace. Complete lubrication of all parts must be included in the maintenance package.

Pilot & Gas Pressure Evaluation

Another crucial part of the tune-up is the adjustments made to the gas pressure and the pilot. If the pilot light isn’t working correctly, it could fail to completely burn the gas and allow small amounts of carbon monoxide into your home. This part of the tune-up is essential.

Filter Replacement

A quality technician will check if the filters have been replaced and make sure the correct filter is being used. Furnace filters have to be replaced at least every three months, so remember to complete the task even when the tune-up is finished. This ensures that efficiency is kept and future troubles are avoided.

Written Assessment

The HVAC company you choose must provide you with a written assessment after the tune-up is done. This should include what was repaired or maintained as well as provide you with maintenance suggestions and helpful tips to keep your system in tip-top shape going forward.
You can rely on Big Mountain Heating & Air Conditioning to provide you with a thorough tune-up and help you continue maintenance between our visits. Our qualified technicians have the experience and expertise to take on any problem they might discover during the tune-up with ease.
Contact Big Mountain Air today and see why Sacramento-area residents choose us for their HVAC maintenance.

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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.