Gas Furnace Maintenance

Ensure the longevity and peak performance of your gas furnace with routine maintenance from Ranger HVAC, keeping you cozy and worry-free.

Essential Gas Furnace Maintenance Tips

As the temperatures start to drop, it’s important to make sure your gas furnace is in top working condition. Regular maintenance can help prevent breakdowns and ensure your furnace is running efficiently, saving you money on energy bills. In this article, we’ll discuss some essential gas furnace maintenance tips to keep your home warm and cozy all winter long.

Why Gas Furnace Maintenance is Important

Regular maintenance is crucial for the longevity and efficiency of your gas furnace. Here are some reasons why gas furnace maintenance is important:

Prevent Costly Breakdowns

A well-maintained gas furnace is less likely to break down, saving you from costly repairs or replacements. By regularly inspecting and cleaning your furnace, you can catch any potential issues before they become major problems.

Ensure Efficient Heating

A dirty or malfunctioning furnace can lead to uneven heating or cold spots in your home. Regular maintenance can help ensure that your furnace is running at its peak efficiency, providing consistent and comfortable heat throughout your home.

Save Money on Energy Bills

A well-maintained furnace uses less energy to heat your home, resulting in lower energy bills. By keeping your furnace in top working condition, you can save money on heating costs during the winter months.

Gas Furnace Maintenance Checklist

Here are some essential gas furnace maintenance tips to keep your furnace running smoothly:

Inspect the Furnace

The first step in gas furnace maintenance is to inspect the unit. Look for any signs of wear and tear, such as rust, cracks, or loose connections. Check the air filter and replace it if it’s dirty or clogged. A dirty air filter can restrict airflow and put unnecessary strain on your furnace.

Clean the Furnace

Dirt, dust, and debris can build up inside your furnace, affecting its performance and efficiency. Use a vacuum with a brush attachment to clean the exterior and interior of your furnace. Be sure to check and clean the blower, motor, and fan blades thoroughly.

Check the Thermostat

Make sure your thermostat is working properly and set to the correct temperature. If you have a programmable thermostat, check the settings and adjust them if necessary. A properly functioning thermostat is essential for efficient heating.

Inspect the Flue Pipe

The flue pipe is responsible for removing exhaust gasses from your furnace. Check the flue pipe for any signs of damage or blockages. If you notice any issues, contact a professional to repair or replace the flue pipe.

Lubricate Moving Parts

Your furnace has many moving parts that require lubrication to function properly. Check the owner’s manual for instructions on which parts need lubrication and use a high-quality lubricant to keep them running smoothly.

Check the Gas Connections

Inspect the gas connections for any leaks or damage. If you notice a gas smell or hear a hissing sound, turn off the gas supply and contact a professional immediately.

Test the Ignition System

The ignition system is responsible for lighting the gas in your furnace. Test the ignition system to make sure it’s working properly. Also check and clean your flame sensor. If you have an older furnace with a pilot light, make sure it’s lit and burning a steady blue flame.

Clean the Vents and Ducts

Over time, dust, dirt, and debris can build up in your vents and ducts, affecting the efficiency of your furnace. Use a vacuum with a long hose attachment to clean the vents and ducts. If you notice any blockages, contact a professional to clean them.

Schedule a Professional Inspection

While there are many things you can do yourself to maintain your gas furnace, it’s important to schedule a professional inspection at least once a year. A professional technician can thoroughly inspect your furnace, identify any potential issues, and perform any necessary repairs or maintenance.

Signs Your Gas Furnace Needs Maintenance

Here are some signs that your gas furnace may need maintenance:

Strange Noises

If you hear any unusual noises coming from your furnace, such as banging, rattling, or squeaking, it could be a sign that something is wrong. Contact a professional to inspect your furnace and make any necessary repairs.

Uneven Heating

If you notice that some rooms in your home are warmer than others, it could be a sign that your furnace needs maintenance. Uneven heating can be caused by a dirty air filter, blocked vents, or a malfunctioning furnace.

High Energy Bills

If your energy bills are higher than usual, it could be a sign that your furnace is not running efficiently. A dirty or malfunctioning furnace can use more energy to heat your home, resulting in higher energy bills.

Frequent Cycling

If your furnace is turning on and off frequently, it could be a sign of a dirty air filter or a malfunctioning thermostat. Contact a professional to inspect your furnace and make any necessary repairs.


Regular gas furnace maintenance is essential for the efficiency and longevity of your furnace. By following these essential gas furnace maintenance tips, you can ensure that your furnace is running smoothly and efficiently all winter long. Remember to schedule a professional inspection at least once a year to catch any potential issues before they become major problems. Stay warm and cozy this winter with a well-maintained gas furnace.


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Rudi Chi
Rudi Chi
Our experience with Ranger HVAC was great. Our ground level HVAC system crashed after 20 years in the middle of a heatwave, in 2022. We called and scheduled a appointment for an estimate on a new system, Mike came out and explained all our options and helped us to pick the best system for us and our home. He was very professional and thorough. The whole experience was great and we would recommend Ranger HVAC to our friends and family. The workers that came out and installed the system were extremely nice and cleaned up after they were finished and were very informative about the whole new world of smart HVAC systems. The office support kept us informed of all the visits and invoices were completed electronically. Update We were so satisfied with Ranger's customer service that, four months later, when our 2nd HVAC system in the attic crashed on the new year's eve, after 20 years, we called Mike to install a new one. We couldn't be more happy with the results. Jennifer and Rudy
Kennedy Agyeman
Kennedy Agyeman
My heating system stopped working and a good friend of mine advised to me reach out to Ranger HVAC. The company representative responded in a timely manner and the diagnostic indicated issue with my blower motor, which required replacement. Ranger HVAC team brought in a new motor and replaced it at precise scheduled time with no delay.
Yolene Henry
Yolene Henry
Ranger HVAC installed a new HVAC system at my house yesterday. The company did an excellent job communicating with me from the time I requested a free estimate to the morning they arrived on site. They were careful to cover all the traffic areas and wore shoe covers. A team of three, including Michael the leader, completed the install to my satisfaction. They were patient to answer all my questions. I selected Ranger HVAC based on their knowledge, fair price, and honesty. Michael, who gave me the estimate, spoke from experience, having been himself an HVAC technician. The company didn't try to sell me what I didn't need. I felt that the information I received could be trusted. And indeed they delivered as promised! I am very pleased with the install and I highly recommend this company. Thank you Ranger HVAC for a job well done!
Jill Perrott
Jill Perrott
I had my HVAC ducts cleaned by Ranger HVAC this past week and was so impressed by their work. I saw what a comprehensive process it is and I’m very pleased with the result. Staff always cover their feet when in your home and are very careful when removing and replacing the vent covers and moving their ladders and equipment around. Very fair price as well. Thanks to Sean, Kofi, and Paul for a thorough job well done. I have already recommended Ranger to a couple of friends and will be contacting Ranger for any future HVAC issues.
James Thomas
James Thomas
I placed a phone call inquiring about VA HVAC licensing and the woman that I spoke with helped me figure out what to do. Very professional and pleasant to talk with!!!!
Poya Sharifaie
Poya Sharifaie
They came out and fixed the issue within 2 hours. Last company had us waiting for a month and half. I would use Ranger HVAC anytime.
Tatiana Melgarejo
Tatiana Melgarejo
excellent service. very punctual .. friendly 😊
jou b
jou b
The techs Shawn and Colby were great!! Showed up on time and was able to quickly resolve the issue with my ac. Really happy to find this company
gyan manu
gyan manu
Ranger HVAV responded to our needs and executed the job in the most professional way! Exceeded our expectations.

    Definitely a very good experience. If you're interested, the service is exactly what he says it is; he clearly explains everything he does and you can tell he's being sincere. He isn't pressuring you or trying to upsell you. Just an honest, high-caliber effort. Highly advised.

    Jirair Kaprelian


      He did a fantastic job cleaning and inspecting my commercial AC unit. He made suggestions that I was completely unaware of regarding how to improve circulation and air flow as well as how to minimise my use of electricity during the summer. Excellent rates and service. Once more, many thanks!

      Ryan Sellz

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        He is the top in his field! Without having to be at 69 degrees, the AC functions better than before. Additionally, because the heater is so hot, we don't need to turn it up all the way, which saves us money.

        Andrea Magaña


          The crew was excellent, and I'm glad I found them since they are nice, down-to-earth people who didn't try to upsell me on items I didn't need instead of telling me about innovations that would make life better for my allergic relatives. All Degree Comfort comes highly recommended.

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