Local Expert HVAC Services in Strasburg, VA
Whether you're admiring the beautiful views of Signal Knob or relaxing at home, keeping comfortable year-round is essential for Strasburg, VA, residents. CW Mossor Heating & Cooling is your trusted local HVAC partner, offering top-notch heating and cooling services tailored to your needs. Whether it's a scorching summer or a chilly winter, we're here to make sure your HVAC system runs smoothly, efficiently, and reliably. Give us a call at 540-277-9920 , or reach out online today for service you can count on.
Air Conditioning Repair and Replacement in Strasburg
When the summer heat arrives in Strasburg, you don't want to be left sweating inside. If your air conditioner isn’t keeping up, making strange noises, or not blowing cold air, it’s time to give us a call. Our fast, reliable air conditioning repair services will have your home cool again in no time. Need a new system? We also provide air conditioning replacement with modern, energy-efficient models that will keep you comfortable without skyrocketing your energy bills.
Furnace Repair and Replacement
Winter nights in Strasburg can be freezing, but a reliable furnace will make all the difference. If your furnace is acting up—whether it’s not heating properly or making unsettling noises—our team offers expert furnace repair services to get it back in working order. Ready for an upgrade? We can help you find the perfect furnace replacement that fits your home’s needs and budget.
Heat Pump Repair and Replacement
A heat pump is a great option for year-round comfort, providing both heating and cooling. But even the best systems need occasional repairs or replacements. If your heat pump isn’t performing as expected, CW Mossor is here to offer expert heat pump repair. If your system is past its prime, our heat pump replacement services will ensure your home stays comfortable no matter the season.
Boiler Repair and Replacement
Boilers provide consistent heat, but when something goes wrong, it can leave your home feeling cold and uncomfortable. Our experienced team offers comprehensive boiler repair services to fix leaks, inconsistent heating, and other issues. If your boiler is outdated, we can guide you through a boiler replacement to improve your system’s performance and energy efficiency.
Duct Cleaning and Indoor Air Quality Solutions
Did you know the air in your home might be filled with dust, allergens, and other contaminants? Over time, your air ducts can collect all sorts of particles that affect your indoor air quality. Our duct cleaning services help remove these pollutants, ensuring cleaner air and better efficiency for your HVAC system. We also offer air filtration systems to further enhance your home’s air quality, keeping you and your family breathing easier.
Why Strasburg Homeowners Trust CW Mossor
From the charm of Strasburg's historic district to the scenic beauty of Signal Knob, CW Mossor Heating & Cooling understands what it takes to keep homes in this community comfortable year-round. Our team is dedicated to providing top-notch service with a local touch, ensuring your heating and cooling systems work when you need them most. We offer flexible financing options and a commitment to excellence in everything we do.
For HVAC services that will keep your home cozy or cool, reach out to CW Mossor Heating & Cooling today at 540-277-9920 , or contact us online for dependable, local service.
Recent Jobs and Reviews
Job Locations and Reviews


Gas furnace heating service call. Performed gas furnace repair on Heil.

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.
Came the same day that I had my issue and followed up until the job was done very professional, clean and courteous
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.


Gas furnace maintenance call. Performed tuneup on gas furnace and zoning system. Replaced thermostat downstairs hallway. System serviced is Carrier.


Gas boiler service call. Replaced safety relief valve and zone control on Weil-McLain.


Heat Pump / AC Service Call. Performed heat pump / air conditioning repair on Rheem. Heat pump had electrical short.


Heat Pump/Air Conditioning maintenance call. Performed tune-up on American Standard.
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.
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.


Heat Pump Service Call. No Heat because of electrical short in system.


Dehumidifier service call. Clean Comfort dehumidifier isn’t dehumidifying the home.


Heat Pump / Air Conditioning Service Call. Variable Speed Blower Motor had seized up. Replaced Heat Pump/ AC blower motor on Rheem.


Hydronic Boiler maintenance call on Burnham. Performed tune up on fuel oil water boiler.


Heat Pump / air conditioning maintenance call. Performed heat pump / air conditioning tune up on Lennox.


Boiler service call. Found air in the hydronic system. Bleed air free of water boiler on Weil-McLain


Heat Pump / Air Conditioning maintenance call. Performed heat pump / AC tune up on Amana.


High Efficiency gas furnace service call. Replaced pressure switch for flue gas draft on Heil high efficiency natural gas furnace.


Gas furnace maintenance call. Performed Propane furnace tune up on Heil.


Gas furnace service call. Found gas valve not allowing gas to flow to the burners. Electrical wiring to gas valve wasn’t making good contact.


Gas furnace maintenance call. Performed gas furnace tune up on Goodman.


Gas furnace maintenance call. Performed gas furnace tune up on Rheem.


Gas Furnace maintenance call.Evaluated natural gas furnace and found heat exchanger compromised. Inspected chimney and found no chimney liner of any type with gaps in bricks.

Installing a new 14 seer air conditioner
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
Thank you. We are happy to bring you peace of mind and certainly would be glad to serve you in the future.
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
Thank you. It's always a pleasure to assist in making your life more enjoyable and comfortable.
We received great service from Carl on our furnace today! We are ready for what the winter will bring.
"Thank you for your kind words, Matthew! We're glad we could provide you with great service.
Excellent service and responds to service calls quickly
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


Gas furnace service call. Performed gas furnace repair on Goodman.
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.
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.
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!
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.
Wonderful job ! Fast same day service !
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.
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.
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.
Carl is fantastic and my go to HVAC guy! Highly recommend!!