Furnace Repair in Marshall, VA

Oil, propane and farmhouse furnace repair

When an oil or propane furnace fails at your Marshall property, you need a technician who knows these systems inside and out. Service First Heating & Air repairs furnaces at farmhouses, estates and custom homes across northern Fauquier County. We give you the price before any work begins, and same-day service is often possible.

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

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

Home › Service Areas › Warrenton Area › Marshall › Furnace Repair

Why Marshall Homeowners Rely on Us

Around Marshall, many rural properties run on oil or propane, and some combine a furnace with a heat pump. Oil furnaces in particular have their own set of parts, like burner motors, fuel pumps, nozzles and cad cell sensors, that a gas-only technician may not see every day. When one of these fails, you want someone who can diagnose it quickly and correctly.

Our licensed and insured technicians drive about 11 miles from Warrenton to repair furnaces in Marshall’s older farmhouses and larger custom homes. Our heating services page covers everything we do for home heating.

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.

Oil and Propane Furnace Repairs We Handle

Oil burner will not fire. The furnace locks out and the red reset button pops up on the burner control.
Clogged nozzle or oil filter. Sludge or debris blocks fuel, causing weak heat or no heat.
Failed cad cell sensor. The burner starts, then shuts down because it cannot see the flame.
Worn fuel pump or burner motor. Loud noises, smoke or a burner that will not start.
Propane ignition problems. A worn ignitor or gas valve keeps the burners from lighting.
Blower failure in larger homes. The burner runs, but warm air never reaches far rooms.

What Marshall's Properties Mean for Your Furnace

Marshall is a village in northern Fauquier County along I-66, surrounded by horse farms and estate properties in Virginia hunt country. Homes range from older farmhouses to larger custom homes, and rural properties often rely on oil, propane or heat pumps for heat.

Older farmhouses may have furnaces that have been in service for a long time, sometimes connected to ductwork that was pieced together as the house grew. Larger custom homes can have long duct runs or more than one furnace. Oil systems also depend on the fuel itself: water or sludge in an older tank can clog filters and nozzles. When Virginia’s coldest nights arrive, these furnaces run long cycles, and that is when a worn part is most likely to give out.

What Our Marshall Repair Visit Looks Like

Plan ahead. We ask about your fuel type, tank, and where the equipment is on the property.
Check the fuel supply. We confirm fuel level and check lines and filters.
Inspect the burner. On oil furnaces, we test the burner motor, fuel pump, nozzle, electrodes and cad cell.
Test the controls. We check the thermostat, primary control and safety switches.
Look at venting. We check the flue or chimney connection for blockages and soot.
Price and repair. You approve the quote, and we fix it.
Combustion check. We confirm a clean, safe flame before we leave.

Repair, Replace or Switch Fuels?

Most oil and propane furnace problems can be repaired. A new nozzle, filter, cad cell or ignitor often brings the system right back. If your furnace is in good shape overall, we will recommend repair.

If your furnace is old, has a failing heat exchanger or keeps breaking down, it may be time to consider replacement. Some Marshall homeowners also use the moment to rethink their fuel, adding a heat pump to reduce oil or propane use. We install trusted brands such as Rheem, and flexible financing can help with the cost. We will explain every option clearly.

Why Marshall Chooses Service First

Technicians experienced with oil, propane and heat pump systems.
Licensed and insured for homes and light commercial buildings.
Upfront, transparent pricing.
10% off for veterans and seniors.
Homeowners in northern Fauquier give us strong Google ratings.

We respect your property, whether that means closing pasture gates behind us, parking where you ask or working carefully around finished basements in a custom home near I-66.

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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Bring the Heat Back to Your Marshall Home

Call (540) 690-4280 or request furnace repair online. See all our services on the Marshall HVAC page.

Furnace Repair FAQs for Marshall Homeowners

Should I press the reset button on my oil burner?

You can press it once. If the burner does not start, do not keep pressing it. Each press can send more oil into the combustion chamber, which can cause a puff-back or smoke when it finally lights. Check your oil level and call us instead. It usually means a clogged nozzle, bad cad cell or fuel problem.

Why does my oil furnace smell like fuel or smoke?

A faint smell at startup can be normal, but a strong oil odor or smoke is not. It may point to a leak, a clogged nozzle, poor combustion or a blocked flue. Turn off the furnace and call a technician. Make sure your carbon monoxide detectors are working, especially in older Marshall farmhouses.

Can water in my oil tank cause furnace problems?

Yes. Condensation can form water inside older oil tanks, and sludge can build up over time. Both can clog the oil filter and nozzle, starving the burner of fuel. If your filter clogs often, we may suggest having your tank checked. Many rural properties around Marshall have older tanks, so it is worth watching.

Do you repair propane furnaces on horse farms and estates?

Yes. Rural properties around Marshall often use propane, and we repair these furnaces regularly. That includes ignitors, gas valves, flame sensors, pressure switches and blowers. Let us know where the furnace is and how to reach it on the property, and we will plan our visit accordingly.

Is it worth switching from oil to a heat pump?

For some homes, yes. A heat pump can handle most of the heating season efficiently and also provides cooling. Many Marshall homeowners keep their oil or propane furnace as backup for the coldest nights. The right choice depends on your home, ductwork and budget, and we will give you an honest comparison.