Reliable Heating and Cooling Services in Front Royal, VA
In Front Royal, VA, where the beauty of Shenandoah National Park meets small-town charm, homeowners rely on efficient HVAC systems to keep their homes comfortable year-round. At CW Mossor Heating & Cooling, we’re dedicated to providing top-tier heating and cooling services to ensure your home stays cozy in the winter and cool in the summer. Whether it’s a minor repair or a complete system replacement, we’re your local go-to HVAC experts.
Call us today at 540-277-9920 , or contact us online for prompt, professional service.
Air Conditioning Repair and Replacement in Front Royal
Summer in Front Royal can bring high temperatures and humidity, making a reliable air conditioner essential. If your AC is blowing warm air, making strange noises, or simply not working, our expert team can provide fast air conditioning repair to restore comfort to your home. If your system is outdated or inefficient, we also offer air conditioning replacement services that can save you money on energy bills while keeping your home cool and comfortable.
Furnace Repair and Replacement
Winters in Front Royal can be chilly, and a reliable furnace is crucial for maintaining warmth. If your furnace isn’t heating as it should, is making unusual noises, or won’t turn on, CW Mossor is ready to help with expert furnace repair services. When your furnace is nearing the end of its life, we can assist with furnace replacement, helping you find an energy-efficient model to keep your home comfortable during the cold months.
Heat Pump Repair and Replacement
Heat pumps are a great option for year-round comfort, but like any system, they sometimes need repairs. If your heat pump isn’t heating or cooling properly, our team is here to provide fast, efficient heat pump repair. For older systems, we also offer heat pump replacement to ensure your home stays comfortable in all seasons.
Boiler Repair and Replacement
Boilers are known for their steady, reliable heat, but when they malfunction, your home can quickly become uncomfortable. Our boiler repair services can fix common issues like leaks, inconsistent heating, and system breakdowns. If your boiler is outdated or inefficient, our team can recommend a new, more energy-efficient option with our boiler replacement services.
Duct Cleaning and Indoor Air Quality Solutions
Maintaining clean air ducts is essential for efficient HVAC performance and healthy indoor air. Over time, dust, allergens, and debris can build up in your ductwork, impacting both your air quality and your system’s efficiency. CW Mossor offers professional duct cleaning services to remove these contaminants. For enhanced air quality, we also offer air filtration systems that trap airborne pollutants, keeping your home’s air cleaner and healthier.
Helpful HVAC Maintenance Tips
Taking care of your HVAC system helps it run efficiently and extends its lifespan. Here are some easy maintenance tips for homeowners in Front Royal:
- Replace air filters regularly: A clogged filter forces your HVAC system to work harder, which reduces efficiency. Aim to replace your filters every 1-3 months, depending on usage.
- Clean around outdoor units: Keep the area around your outdoor AC unit clear of debris, leaves, and grass to allow proper airflow.
- Check thermostat settings: Make sure your thermostat is set to the right mode—cooling in the summer and heating in the winter. Smart thermostats can help save on energy costs.
- Listen for strange noises: Unusual noises like banging or screeching can indicate a problem. Contact a professional if you hear anything out of the ordinary.
- Schedule regular maintenance: Having a professional tune-up twice a year—once in spring and once in fall—ensures your system is running at peak performance.
Why Front Royal Residents Trust CW Mossor
CW Mossor Heating & Cooling understands the unique needs of Front Royal homeowners. Whether you're near Shenandoah National Park or enjoying the history of Downtown Front Royal, we know how to keep your home comfortable throughout the year. With flexible financing and our commitment to quality service, we’re your local, trusted HVAC partner.
For reliable HVAC service in Front Royal, contact CW Mossor Heating & Cooling at 540-277-9920 , or reach out online today!
Recent Jobs and Reviews
Job Locations and Reviews

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

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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.

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

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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.

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

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

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

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

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

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

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

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

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

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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!!