Looking for dependable heating and cooling solutions near you? Our full-service HVAC company proudly serves Bristow, VA, and Manassas, delivering affordable, expert HVAC repairs, installations, and maintenance to keep your home or business comfortable all year long.
Certified technicians | 24/7 emergency support | Local Manassas expertise
In Manassas, VA, fluctuating temperatures from humid summers to cold winters make reliable indoor comfort essential. Our experienced HVAC company delivers solutions tailored to the region’s climate—ensuring long-lasting comfort and efficiency. From modern townhomes to historical houses, our team understands the local architecture and systems unique to Prince William County. With precision diagnostics and premium materials, we keep your systems performing at their best. We proudly serve neighboring areas like Manassas Park, VA and beyond with trusted expertise.
Our HVAC services in Manassas cover every need—whether routine tune-ups, emergency fixes, or full system replacements. We focus on practical, long-lasting solutions that keep your home or business running smoothly year-round. Our technicians specialize in:
We start with a detailed consultation to assess your system, proceed with transparent estimates, then handle installation, testing, and cleanup with care. For cooling-specific solutions, explore our Air Conditioner Services for complete AC maintenance and installation expertise.
Service First Heating & Air is proud to be the team you choose for HVAC services.
For years, our HVAC company has proudly supported homeowners and business owners across Manassas, VA. We understand local housing layouts, HOA guidelines, and seasonal comfort needs. Whether you’re modernizing an older home near Old Town or maintaining a growing commercial space, our team delivers quality and professionalism. We also extend our services to Sudley, VA, ensuring every local client experiences top-tier comfort and system performance.
“Excellent experience! The technicians were punctual, polite, and professional, and they got our air system working the same day without any hassle.” – Robert L., Old Town Manassas
“I can’t recommend this HVAC company enough. They offer fair prices, honest service, and great communication every time.” – Melissa G., Signal Hill
“Our business relies on them for all HVAC replacement services, and the results are always top-notch, efficient, and reliable.” – David W., Yorkshire
We value our local community and strive to make every customer experience a five-star one. That dedication drives referrals from both residential and commercial clients across Manassas.
Our HVAC company isn’t just another contractor—we’re a local team dedicated to reliability, honesty, and precision. Every service call is approached with a commitment to doing the job right the first time.
Here’s what makes our Manassas team the go-to choice:
Rooted in Virginia, Service First Heating & Air knows the region’s weather patterns and code requirements inside and out. Whether it’s a home or a small business, we customize each HVAC project for durability and efficiency. Our skilled technicians pair technical know-how with true local dedication.
With a proven reputation and local roots, our HVAC company continues to earn trust through craftsmanship and care.
Here’s why Manassas residents prefer our service:
When quality, integrity, and comfort matter most, Manassas property owners turn to our local team for dependable HVAC replacement services and ongoing maintenance. We believe in doing the job right—the first time.
Posted on Christopher McCraeTrustindex verifies that the original source of the review is Google. Awesome !!Posted on ahushouraTrustindex verifies that the original source of the review is Google. Excellent locally owned business. They replaced our AC system two years ago and they regularly service it. Great prices and service are what make them the best. I highly recommend them!Posted on Sheryl ChildsTrustindex verifies that the original source of the review is Google. Seth Phillips Senior HVAC technician gave exceptional service, was prompt, efficient, knowledgeable and extremely helpful! I look forward to doing business with this company!Posted on Joshua WehrleTrustindex verifies that the original source of the review is Google. Another incredible experience with the best professionals you could ask for - timely - professional - courteous. If you need heating, cooling, anything - you need to call these guys. Awesome job!Posted on Brittney BrennanTrustindex verifies that the original source of the review is Google. I met Seth a few years ago when I had another company install a new AC unit improperly. He fixed it and ended up installing a new secondary unit for me a short time later. Ever since then I’ve been a faithful customer and go to Seth for all of our HVAC needs and concerns. I am so thankful to have found a solid company after having countless companies take my money and give me the run around. I cannot recommend Seth or this company enough!! They will take the absolute BEST care of you!!Posted on Chris DixTrustindex verifies that the original source of the review is Google. My heat pump broke in the middle of winter. I called several companies before this one and they all couldn't get to me for a whole month! I called this company and they were able to send someone to take a look at the heat pump the same day. This offered me a lot of relief as I wanted to resolve the broken heat pump as soon as possible so that I didn't have to wear a coat inside my own house or worry about frozen pipes. The technicians were all very respectful of my property and cordial. I ended up getting a new heat pump because we would have had to replace most of the parts of the old one. The price for the new heat pump was fair. Would definitely recommend giving these guys a shot.Posted on Ellen NosalTrustindex verifies that the original source of the review is Google. Best people ever!Posted on Bryan HunsakerTrustindex verifies that the original source of the review is Google. Professional friendly service. They do a great job! They fix systems not just change units like the other guys!Posted on Michael HooksTrustindex verifies that the original source of the review is Google. Always outstanding communication, timeliness, prices and service. I would highly recommend this company.Load more
Q: Do you offer year-round HVAC repair services in Manassas?
A: Yes, our local HVAC company operates year-round to ensure residents in Manassas stay comfortable in every season. Our expert team is available for both heating and cooling emergencies, no matter the time of year.
Q: How often should I schedule HVAC maintenance?
A: We recommend scheduling professional HVAC maintenance twice a year—once in the spring for cooling systems and once in the fall for heating systems. Regular service helps extend your system’s lifespan, maintain energy efficiency, and prevent costly breakdowns.
Q: Are your HVAC technicians certified?
A: Yes, all of our HVAC technicians are fully licensed, certified, and extensively trained to handle modern systems safely and efficiently. We strictly follow Virginia building codes and manufacturer guidelines to ensure top-quality service.
Q: Can you help improve indoor air quality?
A: Absolutely! We offer a range of indoor air quality solutions, including duct cleaning, air purification systems, and advanced filtration options to help keep your home’s air clean, fresh, and healthy for your family.
Q: Do you provide financing for HVAC replacement services?
A: Yes, we provide flexible financing options to make HVAC replacements and upgrades more affordable for homeowners across Manassas. Our goal is to make comfort accessible without straining your budget.
Ready to experience the comfort and quality your home deserves? Contact our HVAC company in Manassas, VA today at 📞(540) 690-4280 or request a free estimate online. Whether it’s routine maintenance, urgent HVAC repair services, or complete HVAC replacement services, Service First Heating & Air is ready to help you stay comfortable year-round.
Call Now or Request Service to get started with trusted professionals who care.
In addition to serving the Manassas area, our team provides expert HVAC services throughout Northern Virginia. Our coverage includes Manassas Park, VA, Sudley, VA, Bristow, VA, and Gainesville, VA. Wherever you’re located, our professionals deliver top-tier comfort solutions backed by reliable warranties and exceptional customer care. From residential homes to commercial properties, we ensure every system operates efficiently and meets the highest standards of performance.
We take pride in offering timely responses, transparent pricing, and long-lasting results that homeowners can depend on year-round. Each project is handled with precision, ensuring maximum system efficiency and performance. Whether it’s maintenance, installation, or repair, we tailor our approach to your specific needs. Partner with Service First Heating & Air for your next project and experience unmatched service quality.
Our highly trained professionals deliver expert service on every visit.
We install top‑quality equipment backed by industry‑leading warranties.
Enjoy peace of mind knowing our workmanship is fully guaranteed.
Flexible payment plans and exclusive savings for seniors, veterans, and first responders.
24/7 support to resolve unexpected HVAC issues whenever they arise.
Transparent pricing with no surprises—get a quote before any work begins.
Personalized service rooted in community trust and dedication.
Proactive care to extend equipment lifespan and maximize energy efficiency.