Heating & Cooling Services in Warrenton, VA

Your hometown HVAC team in Fauquier County

Service First Heating & Air is based right here in Warrenton. We repair, maintain and replace furnaces, heat pumps and air conditioners for homes and light commercial buildings across Fauquier County. Same-day service is often available, and you get upfront, transparent pricing before any work begins.

✔ Licensed & Insured HVAC Professionals
✔ Same-Day Service Often Available
✔ Upfront, Transparent Pricing
✔ Local Team Serving Warrenton

📞 Call Now (540) 690-4280 to Schedule Service

Home › Service Areas › Warrenton Area

Warrenton's Local Heating and Air Team

Warrenton is the county seat of Fauquier County, and it is also our home base. When your heat quits or your AC stalls, you are calling a crew that works in your own town.

From Warrenton we serve the nearby communities of New Baltimore, Calverton, Midland, Bealeton, Catlett, Marshall and Remington. Whether you live in a historic house near Old Town or a newer home on the edge of town, our licensed and insured technicians handle the full range of HVAC services for your home or light commercial space.

Fully Insured

Your safety and comfort come first. Our team is fully insured and trained to handle all AC services with precision.

Quality Materials

We use only trusted brands like Rheem to ensure long-lasting performance and energy efficiency.

Reasonable Price

From 10% discounts for veterans and seniors to flexible financing plans, we make cool comfort affordable.

Quality Maintenance

Seasonal tune-ups and regular maintenance keep your system efficient, reliable, and ready for summer.

HVAC Services Available in Warrenton

We keep every part of your heating and cooling system working, from the first cold snap to the last hot week of summer:

Furnace repair for gas, propane and oil furnaces that will not start, blow cold air or shut off early.
Furnace maintenance tune-ups that clean, test and safety-check your system before winter.
Heat pump repair for units that ice up, run nonstop or stop switching between heating and cooling.
AC repair when your air conditioner runs warm, leaks water or trips the breaker.
HVAC repair for thermostats, ductwork, airflow and other whole-system problems.

We also handle system replacement, indoor air quality upgrades and preventative maintenance plans.

How Warrenton Homes Shape Your Comfort

Warrenton has a wide spread of housing. Historic Old Town has many older homes, while newer subdivisions sit on the edges of town. That mix shows up in the equipment we see every week. Some homes run heat pumps, others have gas furnaces, and many older and rural homes around town still rely on oil or propane.

Older houses can have ductwork that was added long after the home was built, which can leave some rooms warmer or cooler than others. Virginia weather tests every system. Humid summers push air conditioners hard, and cold winter nights keep furnaces and heat pumps cycling for hours. With US-29, US-15 and US-17 running through town, our trucks get around Warrenton easily.

How a Service Call Works

Here is what to expect:

You call or book online. Tell us what your system is doing.
We set a time. Same-day service is often available, depending on the day.
A technician inspects the system. We test the equipment and find the real cause, not just the symptom.
You get a clear price first. We explain your options and the cost before any work starts.
We fix it and test it. Your system runs a full cycle before we leave.

Seasonal HVAC Tips for Warrenton

In early fall, schedule a heating tune-up before the first freezing nights arrive. In spring, have your AC or heat pump checked before humid weather settles in.

Between visits, change your air filter every one to three months, keep outdoor units clear of leaves and brush, and make sure supply vents are not blocked by furniture. If you heat with oil or propane, watch your fuel level during cold stretches.

Why Warrenton Chooses Service First

We are a Warrenton company, and our name here matters to us.

Licensed and insured HVAC technicians for residential and light commercial work.
Upfront, transparent pricing with no surprises.
A 10% discount for veterans and seniors.
Flexible financing when a larger repair or new system is needed.
Trusted brands such as Rheem, and a team that is highly rated on Google by local homeowners.

What Our Customers Say on Google

         Posted on Google  
   
   Christopher McCrae 
 
 
 
 Trustindex verifies that the original source of the review is Google. Awesome !!
  
 
      Posted on Google  
   
   ahushoura 
 
 
 
 Trustindex 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 Childs 
 
 
 
 Trustindex 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 Wehrle 
 
 
 
 Trustindex 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 Brennan 
 
 
 
 Trustindex 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 Dix 
 
 
 
 Trustindex 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 Nosal 
 
 
 
 Trustindex verifies that the original source of the review is Google. Best people ever!
  
 
      Posted on Google  
   
   Bryan Hunsaker 
 
 
 
 Trustindex 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 Hooks 
 
 
 
 Trustindex verifies that the original source of the review is Google. Always outstanding communication, timeliness, prices and service. I would highly recommend this company.
  
 
  
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Schedule HVAC Service in Warrenton

Need heating or cooling help at your Warrenton home? Call (540) 690-4280 to talk with our local team, or send us a message online and we will get you on the schedule.

Warrenton HVAC FAQs

Which towns do you serve from Warrenton?

Our home base is Warrenton, and we serve the surrounding Fauquier County communities of New Baltimore, Calverton, Midland, Bealeton, Catlett, Marshall and Remington. Not sure if your address is covered? Call us at (540) 690-4280 and we will gladly tell you.

Is a heat pump or a gas furnace better for a Warrenton home?

Both work well here, and Warrenton has plenty of each. Heat pumps are efficient through most of the year and also cool your home in summer. Gas furnaces deliver strong heat on the coldest nights. Some homes pair the two. The right choice depends on your home, your ductwork and the fuel you have available.

Do you work on oil and propane heating systems?

Yes. Many older and rural homes around Warrenton still heat with oil or propane, and we service both. We can repair and tune up these furnaces, check burners and venting, and talk with you about options if you are thinking about switching fuels or adding a heat pump down the road.

How often should I change my HVAC air filter?

For most homes, every one to three months is a good rule. Check it monthly during heavy heating and cooling seasons. Homes with pets, allergies or nearby construction often need changes more often. A dirty filter chokes airflow and strains your blower motor.

Do you offer any discounts or payment options?

We offer a 10% discount for veterans and seniors. For bigger repairs or a new system, flexible financing is available so you can spread out the cost. Either way, you get upfront pricing before any work starts, so you can make the decision that fits your budget.