Recent Jobs and Reviews
Job Locations and Reviews
Carl M.
Heat Pump maintenance call. Performed heat pump tune up on Trane.
Leesburg, VA 20175
Carl M.
Heating maintenance call. Performed natural gas furnace heating tune up on Lennox. Tune-up included Aprilaire 700 humidifier service. Water panel for humidifier was replaced and humidifier set up for winter operation.
White Post, VA 22663
Carl M.
Water heater service call. Performed the following repairs on a Bradford White electric water heater. Replaced pressure temperature safety relief valve. Re-piped temperature pressure safety valve to auxiliary pan with CPVC pipe. Installed water heater expansion tank. Bleed water heater free of air after restoring water pressure. Checked for any water, leaks and found none.
Stephens City, VA 22655
Carl M.
Heat Pump maintenance call. Performed tune-up on Lennox heat pump.
New Market, VA 22844
Carl M.
Oil Steam Boiler service call. Found heat exchanger cracked and broken on Burnham Oil Steam Boiler.
Strasburg, VA 22657
Carl M.
Oil water boiler maintenance call. Replaced oil nozzle and oil filter. Adjusted oil electrodes. Cleaned boiler heat exchanger. Cleaned combustion air chamber. Tested water pressure and temperature. Test draft. Test smoke. Combustion test. Weil-McLain boiler is heating well.
Winchester, VA 22602
Review
Carl was very helpful and understanding. He was able to fix our AC problem the same day.
Carl M.
Air conditioning service call. Performed repair on Lennox equipment that was not cooling. Fuses in the outside service disconnect were blown. Hard Start Capacitor was blown which caused fuses to blow. Repaired system by removing hard start capacitor and replacing fuses. System is now cooling.
Winchester, VA 22601
Carl M.
Air Conditioner and Furnace replacement call. Changed out furnace and air conditioner on Rheem.
Stephens City, VA 22655
Carl M.
Heat pump installation call.Performed heat pump / air conditioner replacement on Rheem.
Front Royal, VA 22630
Carl M.
Air conditioning repair: Replaced worn capacitor to restore proper startup on the outdoor AC unit.
Boyce, VA 22620
Carl M.
Air conditioning maintenance: Checked and adjusted refrigerant levels for optimal cooling performance.
Millwood, VA
Carl M.
HVAC duct sealing: Sealed duct leaks to improve system efficiency and indoor comfort.
Middletown, VA 22645
Carl M.
Thermostat replacement: Upgraded outdated thermostat to a Wi-Fi smart model for remote access.
Woodstock, VA 22664
Carl M.
Air conditioning repair: Diagnosed and replaced faulty blower motor causing inconsistent airflow.
Stephenson, VA 22656
Carl M.
Air conditioning maintenance: Cleaned condenser coils to improve cooling performance and lower utility bills.
Strasburg, VA 22657
Carl M.
Installed programmable thermostat for better energy efficiency and user control.
Berryville, VA 22611
Carl M.
Performed seasonal HVAC tune-up to prepare system for upcoming temperature shift.
Front Royal, VA 22630
Carl M.
Air conditioning repair: Repaired leaking refrigerant line causing AC unit to blow warm air.
Stephens City, VA 22655
Carl M.
HVAC filter replacement: Replaced clogged air filter to improve airflow and reduce strain on the HVAC system.
Winchester, VA 22601
Review
Very professional and thorough
Carl M.
Air conditioning service call. Performed AC repair on Heil. Found system low on R410a refrigerant. Charged or added refrigerant to the system.
Front Royal, VA 22630
Carl M.
Gas Furnace and Air Conditioner replacement call. Performed Gas furnace and AC replacement on Durastar.
Stephens City, VA 22655
Carl M.
Gas furnace and air conditioner installation call. Performed gas furnace and air conditioner (AC) replacement on Rheem.
Stephens City, VA 22655
Carl M.
Heat Pump / Air Conditioner installation call. Performed heat pump / air conditioner install on Rheem.
Hume, VA 22639
Carl M.
Site Evaluation for replacement heat pump system and ductwork.
Whitacre, VA 22625
Carl M.
Air conditioning maintenance call. Performed AC tune up on Armstrong Air.
Middletown, VA 22645
Review
HVAC replacement install. Carl was prompt, courteous and constantly kept me in the know of what was going on. Some issues arose with the install but Carl worked through them with patience. The install took longer than planned, but Carl worked diligently. I will use him in the future for servicing this unit as well as my other unit. Carl is meticulous and detailed in his work. He does not cut corners and does the job required. Pricing is very fair. His quote included a few other things other installers did not even consider and his price was even a little lower than other installers for similar equipment.
Response from CW Mossor Heating and Cooling:
Thank you. I am very happy that you are pleased with the work and hope to continue providing excellent service in the future as well.
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
Review
Came the same day that I had my issue and followed up until the job was done very professional, clean and courteous
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.
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
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
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.
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
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.
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.
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!
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.
Review
Wonderful job ! Fast same day service !
