Warrenton, VA

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Rated 5.0 out of over 40 reviews

Reliable HVAC Services in Warrenton, VA

Warrenton, VA, is known for its charming downtown, rolling hills, and historic homes. Keeping your home comfortable throughout the changing seasons is essential, and CW Mossor Heating & Cooling is here to help. Whether you need a quick air conditioning repair, a furnace replacement, or duct cleaning, we provide expert HVAC services to keep your system running smoothly. Call us at 540-277-9920 , or contact us online to schedule your HVAC service today.

Air Conditioning Repair and Replacement in Warrenton

When the heat rises in Warrenton, a reliable air conditioning system is a must. Whether your AC isn’t cooling properly, is making strange noises, or won’t turn on at all, our technicians provide fast and reliable air conditioning repair to restore comfort to your home. If your AC system is outdated and inefficient, upgrading to a new energy-efficient model can save you money on your energy bills and improve overall comfort. Our air conditioning replacement service ensures that your new system is installed correctly for optimal performance.

After spending a day exploring the beautiful G. Richard Thompson Wildlife Management Area, the last thing you want is to come home to a broken AC. Trust us to keep your home cool during the hottest months.

Gas and Oil Furnace Repair and Replacement

When winter temperatures hit, you need a heating system you can rely on. CW Mossor Heating & Cooling offers expert gas and oil furnace repair and replacement services to keep your home warm and comfortable. If your furnace is making strange noises, struggling to heat your home evenly, or not working at all, we can quickly diagnose and fix the problem. If your furnace is nearing the end of its lifespan, we’ll help you choose an efficient replacement that fits your home’s needs.

Heat Pump Repair and Replacement

Heat pumps are popular in Warrenton for their ability to heat and cool homes efficiently. However, like any system, heat pumps require maintenance and occasional repairs. Whether your heat pump is failing to heat properly in winter or cool in summer, CW Mossor Heating & Cooling can provide expert heat pump repair to get it back to optimal performance. If your system is old or frequently breaking down, we also offer heat pump replacement to improve your home’s energy efficiency.

Gas and Oil Boiler Repair and Replacement

Boilers provide consistent warmth during the winter months, but when they malfunction, it can leave your home cold and uncomfortable. CW Mossor Heating & Cooling offers professional gas and oil boiler repair to ensure your home stays warm. If your boiler is showing signs of wear or is no longer operating efficiently, we can recommend and install a boiler replacement to provide better heating performance and reduce your energy costs.

Duct Cleaning and Indoor Air Quality Solutions

Your home’s air ducts can accumulate dust, allergens, and other pollutants over time, impacting your indoor air quality and HVAC system efficiency. Our duct cleaning services remove buildup from your ductwork, allowing your HVAC system to run more efficiently and improving the air you breathe. Additionally, we offer air filtration systems to further enhance indoor air quality, trapping particles like dust, pollen, and pet dander.

Why Choose CW Mossor for HVAC Services in Warrenton?

At CW Mossor Heating & Cooling, we take pride in serving the residents of Warrenton with reliable, affordable, and professional HVAC services. Our experienced technicians understand the specific heating and cooling needs of homes in the area and are committed to delivering solutions that improve your comfort and energy efficiency. We also offer flexible financing options to make necessary HVAC repairs and replacements more affordable.

Schedule Your HVAC Service Today

Don’t let HVAC problems disrupt your comfort. Whether you need air conditioning repair, furnace replacement, or duct cleaning, CW Mossor Heating & Cooling is here for homeowners in Warrenton, VA. Call us at 540-277-9920 , or contact us online to schedule your service today.

Recent Jobs and Reviews

Rated 5.0 out of 5 stars based on 45 customer reviews

Job Locations and Reviews

Front Royal, VA - Air Conditioning repair call. Replaced condenser fan motor and capacitor on Lennox.
Carl M.
Carl M. Checked in
Air Conditioning repair call. Replaced condenser fan motor and capacitor on Lennox.
Front Royal, VA 22630
Review
It’s been 3 years since I started using Carl’s service, and I’ve never been disappointed. Honest, hard working, and a true professional. You receive an arrival time, and it’s not a 4 hour window. If he says 10am, you can trust he will be there. Thank you
Bill - White Post, VA 22663
White Post, VA - Air Conditioning maintenance call. Performed AC or air conditioner tune up on Lennox.
Carl M.
Carl M. Checked in
Air Conditioning maintenance call. Performed AC or air conditioner tune up on Lennox.
White Post, VA 22663
Stephens City, VA - Air Conditioning maintenance call. Performed AC or air conditioning maintenance on Bryant. Water washed the outside coil. Flushed the condensation piping. Cleaned EZ trap.
Carl M.
Carl M. Checked in
Air Conditioning maintenance call. Performed AC or air conditioning maintenance on Bryant. Water washed the outside coil. Flushed the condensation piping. Cleaned EZ trap.
Stephens City, VA 22655
New Market, VA - Air conditioning maintenance call. Performed AC or air conditioning tuneup on Lennox.
Carl M.
Carl M. Checked in
Air conditioning maintenance call. Performed AC or air conditioning tuneup on Lennox.
New Market, VA 22844
White Post, VA - Air conditioning maintenance call. Performed AC / air conditioning tuneup on two Lennox systems. Cleaned coils.
Carl M.
Carl M. Checked in
Air conditioning maintenance call. Performed AC / air conditioning tuneup on two Lennox systems. Cleaned coils.
White Post, VA 22663
White Post, VA - Air conditioning maintenance call. Performed AC tune-up on Lennox. Water washed off the outside coil.
Carl M.
Carl M. Checked in
Air conditioning maintenance call. Performed AC tune-up on Lennox. Water washed off the outside coil.
White Post, VA 22663
Stephens City, VA - High Efficiency Tankless Water Heater Maintenance Call. Performed tune-up on Navien high efficiency water heater. Cleaned out traps and screens. Flushed water heater with natural acidity organic compound.
Carl M.
Carl M. Checked in
High Efficiency Tankless Water Heater Maintenance Call. Performed tune-up on Navien high efficiency water heater. Cleaned out traps and screens. Flushed water heater with natural acidity organic compound.
Stephens City, VA 22655
White Post, VA - Air Conditioning maintenance. Performed tune-up on Lennox AC. Flushed condensation trap and cleaned condensation pipe. Water washed the outside air conditioning coil.
Carl M.
Carl M. Checked in
Air Conditioning maintenance. Performed tune-up on Lennox AC. Flushed condensation trap and cleaned condensation pipe. Water washed the outside air conditioning coil.
White Post, VA 22663
White Post, VA - Second Opinion on Heil.
Carl M.
Carl M. Checked in
Second Opinion on Heil.
White Post, VA 22663
Middletown, VA - Air conditioning maintenance call. Performed AC tune-up on Heil.
Carl M.
Carl M. Checked in
Air conditioning maintenance call. Performed AC tune-up on Heil.
Middletown, VA 22645
Stephens City, VA - Air Conditioning Service Call. Condensation pipe and EZ Trap was obstructed. Cleaned trap and pipe on Goodman.
Carl M.
Carl M. Checked in
Air Conditioning Service Call. Condensation pipe and EZ Trap was obstructed. Cleaned trap and pipe on Goodman.
Stephens City, VA 22655
Winchester, VA - Air Conditioning maintenance and repair call. Performed AC tune-up on Heil. Replaced capacitor that was weak. Water washed outdoor coil. Flushed the primary drain pan and condensation piping.
Carl M.
Carl M. Checked in
Air Conditioning maintenance and repair call. Performed AC tune-up on Heil. Replaced capacitor that was weak. Water washed outdoor coil. Flushed the primary drain pan and condensation piping.
Winchester, VA 22602
White Post, VA - Air conditioning maintenance call. Performed AC tune-up on Lennox.
Carl M.
Carl M. Checked in
Air conditioning maintenance call. Performed AC tune-up on Lennox.
White Post, VA 22663
Stephens City, VA - Gas Furnace inspection by Frederick County Inspection Department. Gas Fire up and Mechanical final inspection passed on Rheem gas furnace.
Carl M.
Carl M. Checked in
Gas Furnace inspection by Frederick County Inspection Department. Gas Fire up and Mechanical final inspection passed on Rheem gas furnace.
Stephens City, VA 22655
Maurertown, VA - Air Conditioning Service Call. Performed AC repair on Lennox. Repaired hole in refrigerant line and replaced filter drier. Charged system with R410a refrigerant.
Carl M.
Carl M. Checked in
Air Conditioning Service Call. Performed AC repair on Lennox. Repaired hole in refrigerant line and replaced filter drier. Charged system with R410a refrigerant.
Maurertown, VA 22644
Stephens City, VA - Air Conditioning service call. Performed AC repair. Replaced outside condenser fan motor on Bryant.
Carl M.
Carl M. Checked in
Air Conditioning service call. Performed AC repair. Replaced outside condenser fan motor on Bryant.
Stephens City, VA 22655
Stephens City, VA - Air Conditioning Service call. Repaired outside service disconnect. Water washed the outdoor coil. Chemically cleaned the blower wheel. Installed refrigerant safety locking caps.
Carl M.
Carl M. Checked in
Air Conditioning Service call. Repaired outside service disconnect. Water washed the outdoor coil. Chemically cleaned the blower wheel. Installed refrigerant safety locking caps.
Stephens City, VA 22655
Maurertown, VA - Air Conditioning service call. Found system with no refrigerant. Found leak immediately on the outside AC unit where wiring rubbed hole in refrigerant line.
Carl M.
Carl M. Checked in
Air Conditioning service call. Found system with no refrigerant. Found leak immediately on the outside AC unit where wiring rubbed hole in refrigerant line.
Maurertown, VA 22644
Middletown, VA - Air conditioning service call. Performed AC repair on Goodman.
Carl M.
Carl M. Checked in
Air conditioning service call. Performed AC repair on Goodman.
Middletown, VA 22645
Stephens City, VA - Air Conditioning maintenance call. Performed AC maintenance or tuneup on Rheem.
Carl M.
Carl M. Checked in
Air Conditioning maintenance call. Performed AC maintenance or tuneup on Rheem.
Stephens City, VA 22655
Stephens City, VA - Estimate to replace gas furnace and air conditioner system.
Carl M.
Carl M. Checked in
Estimate to replace gas furnace and air conditioner system.
Stephens City, VA 22655
Stephenson, VA - Air conditioner installation call. Installed new AC, indoor coil, and natural gas furnace on Rheem. Air Conditioner uses new A2L flammable refrigerant R-454B.
Carl M.
Carl M. Checked in
Air conditioner installation call. Installed new AC, indoor coil, and natural gas furnace on Rheem. Air Conditioner uses new A2L flammable refrigerant R-454B.
Stephenson, VA 22656
Winchester, VA - New air conditioner installed with R454B refrigerant on Rheem equipment.
Carl M.
Carl M. Checked in
New air conditioner installed with R454B refrigerant on Rheem equipment.
Winchester, VA 22603
Stephens City, VA - Gas furnace heating service call. Performed gas furnace repair on Heil.
Carl M.
Carl M. Checked in
Gas furnace heating service call. Performed gas furnace repair on Heil.
Stephens City, VA 22655
Carl M.
Carl M. Checked in
I repaired a heat pump that was cycling on and off. I checked the electrical connections, cleaned the coils, and adjusted the thermostat. The heat pump is now working properly.
Winchester, VA 22601
Review
Came the same day that I had my issue and followed up until the job was done very professional, clean and courteous
Pam - Strasburg, VA 22657
Response from CW Mossor Heating and Cooling:

Thank you for your kind words, Pam! We're glad we could help you with your issue and that you were satisfied with our service. We appreciate your business and look forward to serving you again in the future.

Review
Heater went down during a snow storm. Carl came out next day and diagnosed the issue and was able to fix it same day. I felt the price was very fair also. Would call again.
Travis - Winchester, VA 22603
Response from CW Mossor Heating and Cooling:

Thank you for your kind words, Travis. We appreciate your business and are glad we were able to get your heat pump fixed quickly and efficiently.

Review
Mr Mossor was here on time as promised he was very good in checking my system out and finding two issues that needed immediate attention. He got the parts and fixed them in a short period of time and his prices we very reasonable and I would use him again
Charlie - Stephens City, VA 22655
Response from CW Mossor Heating and Cooling:

Thank you. We are happy to bring you peace of mind and certainly would be glad to serve you in the future.

Review
Always helpful always on time fair pricing and always willing to help to do some extra things like changing a filter that I can’t reach. I always recommend Carl to other friends
John - Stephens City, VA 22655
Response from CW Mossor Heating and Cooling:

Thank you. It's always a pleasure to assist in making your life more enjoyable and comfortable.

Review
We received great service from Carl on our furnace today! We are ready for what the winter will bring.
Matthew - Middletown, VA 22645
Response from CW Mossor Heating and Cooling:

"Thank you for your kind words, Matthew! We're glad we could provide you with great service.

Review
Excellent service and responds to service calls quickly
Diane - Stephens City, VA 22655
Response from CW Mossor Heating and Cooling:

Diane, thank you for your 5-star review! We appreciate your feedback and are committed to providing excellent service to all of our customers. We will continue to respond to service calls quickly and efficiently. Sincerely, Carl Mossor

Review
Mr. Mossor always informed me of what he was doing each day he came to my house to replace my upstairs furnace and AC unit. Was on time everyday and took great care while working in my home. I could not have contracted with a better person.
Charles - Stephens City, VA 22655
Review
Very customer friendly, did a great job on the repairs. Didn’t take long to get everything up and running properly. Would recommend using them. I would definitely call for any issues.
Charlotte - Middletown, VA 22645
Review
CW Mossor's contract price is reasonable and he scheduled a service/inspection appointment without delay. His invoice and report were thorough and professional. We hope to continue using Carl's company for years to come. Thank you!
Spencer - Stephens City, VA 22655
Review
I appreciate Carl's promptness, attention to detail, and explanations of service recommendations. I've never felt pressured from an "upsell" that I've encountered from some other HVAC companies.
Robert - White Post, VA 22663
Review
Wonderful job ! Fast same day service !
Vicky - Winchester, VA 22602
Review
Carl was able to get to our house on short notice on a weeknight when we sprang a radiator leak just before Thanksgiving with a houseful if guests on the way! Looked like a disaster looming but he got the problem stopped quickly and gave us an accurate estimate of the time it would take to get the radiator replaced. He always showed up on the date and time he promised. He was very clear in his communications via text messaging. All in all he did a first- class job! Will definitely call on him again in the future for our furnace & radiator care.
Dean - Winchester, VA 22601
Review
Carl was quick to respond to our request, he offered a fair comparable price to other companies and he was able to point out some installation issues for a new unit that other service techs had not noticed prior to beginning installation.
Graham - Stephens City, VA 22655
Review
Carl is extremely professional, knowledgeable, courteous, organized, prompt, great communication, easy to work with, and was able to resolve any issues I had as well as answer any questions I had. I had many quotes but chose to go with Carl and his company to perform my HVAC work and highly recommend him and will definitely go to him with any other HVAC questions, concerns, or other work.
Robert - Stephens City, VA 22655
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