A furnace tune-up in Haymarket isn’t only about keeping the burners lit. In larger two-story homes, it’s also about moving warm air to every room. Service First Heating & Air cleans, tests and adjusts your furnace and checks the airflow that keeps upstairs and downstairs comfortable, all with upfront pricing.
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Home › Service Areas › Gainesville Area › Haymarket › Furnace Maintenance

Haymarket blends historic homes near the town center with large planned communities along I-66 and Route 15. Both benefit from a yearly furnace tune-up, but for different reasons. In older homes, maintenance is a safety and reliability check on equipment that has run through many winters. In newer two-story homes, it’s often a key step toward fixing that nagging upstairs/downstairs temperature gap.
A tune-up before the cold season lets us clean the parts that collect dust, test the parts that wear out and adjust the system so it runs the way it should. Learn how ongoing care works on our preventative maintenance page.
Your safety and comfort come first. Our team is fully insured and trained to handle all AC services with precision.
We use only trusted brands like Rheem to ensure long-lasting performance and energy efficiency.
From 10% discounts for veterans and seniors to flexible financing plans, we make cool comfort affordable.
Seasonal tune-ups and regular maintenance keep your system efficient, reliable, and ready for summer.
Many Haymarket homes are larger two-story houses, and some have a second system dedicated to the upper floor. If yours does, both units need attention, and the attic unit is often the one that gets forgotten. Attic equipment deals with hot summers and cold winters, and its filters and drain lines are easy to overlook.
In the town’s historic homes, furnaces may be older and ductwork may have been added or changed over the years. We pay close attention to venting, burner condition and the heat exchanger on these older units.
Virginia’s climate adds one more reason to stay on schedule. After a long, humid summer, dust and moisture can build up inside your system. Tuning up the furnace in early fall clears the way before freezing nights arrive.


Each tune-up focuses on the checks that matter most for comfort and safety:
The result is a furnace that runs steadier cycles and keeps both floors closer to the same temperature. You also go into winter knowing the condition of your system.

Our licensed, insured technicians handle furnace maintenance for homes and light commercial buildings in Haymarket and across the Gainesville area. You’ll always get upfront, transparent pricing. Seniors and veterans receive a 10% discount, and our Google reviews from local homeowners speak to the care we take.
If we spot a worn blower part, a weak capacitor or a safety concern during your visit, we’ll show you what we found and explain your choices before any repair happens. There’s no pressure to decide on the spot. Many homeowners simply like knowing where their furnace stands heading into a Haymarket winter.
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Christopher McCraeTrustindex verifies that the original source of the review is Google.
Awesome !!Posted on Google![]()
ahushouraTrustindex verifies that the original source of the review is Google.
Excellent locally owned business. They replaced our AC system two years ago and they regularly service it. Great prices and service are what make them the best. I highly recommend them!Posted on Google![]()
Sheryl ChildsTrustindex verifies that the original source of the review is Google.
Seth Phillips Senior HVAC technician gave exceptional service, was prompt, efficient, knowledgeable and extremely helpful! I look forward to doing business with this company!Posted on Google![]()
Joshua WehrleTrustindex verifies that the original source of the review is Google.
Another incredible experience with the best professionals you could ask for - timely - professional - courteous. If you need heating, cooling, anything - you need to call these guys. Awesome job!Posted on Google![]()
Brittney BrennanTrustindex verifies that the original source of the review is Google.
I met Seth a few years ago when I had another company install a new AC unit improperly. He fixed it and ended up installing a new secondary unit for me a short time later. Ever since then I’ve been a faithful customer and go to Seth for all of our HVAC needs and concerns. I am so thankful to have found a solid company after having countless companies take my money and give me the run around. I cannot recommend Seth or this company enough!! They will take the absolute BEST care of you!!Posted on Google![]()
Chris DixTrustindex verifies that the original source of the review is Google.
My heat pump broke in the middle of winter. I called several companies before this one and they all couldn't get to me for a whole month! I called this company and they were able to send someone to take a look at the heat pump the same day. This offered me a lot of relief as I wanted to resolve the broken heat pump as soon as possible so that I didn't have to wear a coat inside my own house or worry about frozen pipes. The technicians were all very respectful of my property and cordial. I ended up getting a new heat pump because we would have had to replace most of the parts of the old one. The price for the new heat pump was fair. Would definitely recommend giving these guys a shot.Posted on Google![]()
Ellen NosalTrustindex verifies that the original source of the review is Google.
Best people ever!Posted on Google![]()
Bryan HunsakerTrustindex verifies that the original source of the review is Google.
Professional friendly service. They do a great job! They fix systems not just change units like the other guys!Posted on Google![]()
Michael HooksTrustindex verifies that the original source of the review is Google.
Always outstanding communication, timeliness, prices and service. I would highly recommend this company.Load more
Book your tune-up before the first freezing night. Call (540) 690-4280 or request a visit online.
Often, yes. Many Haymarket homes are larger two-story houses, and weak airflow makes the balance between floors worse. Cleaning the blower, replacing a clogged filter and checking for blocked returns or disconnected ducts can make a noticeable difference. If the gap remains, we’ll talk about other options such as airflow adjustments or zoning.
Yes. Each system has its own furnace or air handler, filter, blower and controls, so each one needs its own check. In two-story homes, the unit serving the upstairs is often in the attic, where it’s easy to forget. Skipping that unit can leave the bedrooms cold on the nights you need heat most.
It’s especially important. Older furnaces have more wear on burners, motors and the heat exchanger. A yearly tune-up lets a technician look for rust, cracks and venting problems that can affect safety. It also helps you plan ahead, so you can decide on repair or replacement before a breakdown forces the decision.
Check it monthly during heating season. Many filters need changing every one to three months, but homes with pets, allergies or recent renovation dust may need more frequent changes. In larger Haymarket homes, a clean filter is one of the simplest ways to protect your blower and keep warm air moving to the upper floor.
Early fall is best, after the summer cooling season and before nights drop below freezing. That gives you time to handle any repairs we find while the weather is still mild. If you use a heat pump alongside your furnace, a fall visit is also a good time to check how the two systems work together.
Need something else for your home in Haymarket? Explore related services and nearby areas we cover from our Gainesville service area.
From emergency repairs to full system replacements, our expert HVAC team is ready to help—day or night. Experience reliable service, honest pricing, and total peace of mind.