334 Double Church Rd
Stephens City, VA 22655
540-868-0110

Have any feedback for us? We'd love to hear it! Call us at (540) 456-9993 and let us know how we are doing.


Local Reviews

Rated 5.0 out of 5 stars based on 37 customer reviews

Excellent Service

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.

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Excellent Service

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!

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Excellent service!

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.

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Wonderful job ! Fast same day service !

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Competent and dependable

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.

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Knowledgeable service at a fair price

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.

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Excellent Service!! Great Price!! Fast Service!!

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.

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Quick - Knowledge - Trustworthy!

Carl is fantastic and my go to HVAC guy! Highly recommend!!

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Excellent service

I was a 2 times maintence in sc and it was only 120.00 year just think your price is a little high.

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Excellent Service

Carl was very professional and easy to work with. We will be using Mossor moving forward!

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Excellent Service!

Carl was very professional and thorough. Very trustworthy.

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Professional service

Carl did a great job. He was efficient and quickly performed the installation of my hvac system.

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Awesome service

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Great Service

Carl did outstanding work. I couldn’t recommend him more highly.

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Extremely happy with service.

Carl Mossor came to my house within one hour; my heating system was not acting right. He took what little description I had of the problem, and he diagnosed furnace problem and fixed it in 20 minutes. Price was more than reasonable. Bottom line: response time, service quality, price - - the best!

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Job Locations

Carl M.

Carl M. Job Checkin

Air Conditioning installation call. Performed AC install on Durastar.

Air Conditioning installation call. Performed AC install on Durastar.

Carl M.

Carl M. Job Checkin

Air Conditioning Service Call. Performed AC repair on Armstrong Air.

Air Conditioning Service Call. Performed AC repair on Armstrong Air.

Carl M.

Carl M. Job Checkin

Air Conditioning Service Call. Performed AC repair on Carrier.

Air Conditioning Service Call. Performed AC repair on Carrier.

Carl M.

Carl M. Job Checkin

Air Conditioning maintenance call. Performed AC maintenance on Lennox.

Air Conditioning maintenance call. Performed AC maintenance on Lennox.

Carl M.

Carl M. Job Checkin

Air Conditioning Service Call. Performed AC repair on Goodman.

Air Conditioning Service Call. Performed AC repair on Goodman.

Carl M.

Carl M. Job Checkin

Air Conditioning Service Call. Performed AC repair on Goodman.

Air Conditioning Service Call. Performed AC repair on Goodman.

Carl M.

Carl M. Job Checkin

Geothermal service call. Performed Geothermal repair on Carrier.

Geothermal service call. Performed Geothermal repair on Carrier.

Carl M.

Carl M. Job Checkin

Air Conditioning maintenance call. Performed AC maintenance on GOODMAN.

Air Conditioning maintenance call. Performed AC maintenance on GOODMAN.

Carl M.

Carl M. Job Checkin

Air Conditioning install call. Performed AC installation on Durastar.

Air Conditioning install call. Performed AC installation on Durastar.

Carl M.

Carl M. Job Checkin

Air Conditioner Service Call. Performed AC repair on Carrier.

Air Conditioner Service Call. Performed AC repair on Carrier.

Carl M.

Carl M. Job Checkin

Air Conditioning installation call. Performed AC install on Rheem.

Air Conditioning installation call. Performed AC install on Rheem.

Carl M.

Carl M. Job Checkin

Air Conditioning Service Call. Performed AC repair on Goodman.

Air Conditioning Service Call. Performed AC repair on Goodman.

Carl M.

Carl M. Job Checkin

Heat Pump Service Call. Performed Heat Pump Repair on Goodman.

Heat Pump Service Call. Performed Heat Pump Repair on Goodman.

Carl M.

Carl M. Job Checkin

Furnace installation call. Performed furnace install on Bryant.

Furnace installation call. Performed furnace install on Bryant.

Carl M.

Carl M. Job Checkin

Boiler service call. Performed boiler service on Burnham.

Boiler service call. Performed boiler service on Burnham.