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 sac manTrustindex verifies that the original source of the review is Google. Service first are goods guys. i took there recomendation on a cracked drip pan replacement on my up stairs unit last year. man iam glad i did! After working on installing new insulation up in the attric i had about 1/4 inch of condisation/ water in the pan so happy they made that recomindation. Saved me! Been using them for servicing three units on my property and they have thoughly gone threw each unit and made recomendations to maximize effeciancy and or safty or longgevity for each unit. I will be taking there recommendatio for action.Posted on Jim DunemannTrustindex verifies that the original source of the review is Google. Jerry and his install crew were on time a very professional. They answered any and all questions we had. Jerry provided the best solution for our comfort resolving 15 years of huge temperature discrepancies between various parts of our home. It was an extreme pleasure dealing with an owner/operator you can trust! The install of our new furnace and A/C is extremely well done. He and his crew go above!Posted on Jeri BurkeTrustindex verifies that the original source of the review is Google. Service First replaced my HVAC in 2022 and have maintained it since. You could not work with nicer people, very professional and courteous. I recommend them highly.Posted on Gary CarperTrustindex verifies that the original source of the review is Google. Super friendly and informative customer service! Explained everything and arrived and finished in prearranged timeline. Water heater install looks and works great! Would recommend every day!Posted on Mike WilliamsTrustindex verifies that the original source of the review is Google. Service First always arrives early, do great work. They educate you about the service completed and your unit. Seth came last, he's a great technician and good guy.Posted on Jim LawsonTrustindex verifies that the original source of the review is Google. Service First Heating and Air came to our house today to install a new unit. They sent plenty of service people to install, they ran all tests, taught us how to use the new, etc. They were all very polite and seemed to know exactly what they were doing. They are probably not the most inexpensive but they are certainly not the most expensive, what they are, are qualified technicians who did an excellent job.Posted on Mardie AmeryTrustindex verifies that the original source of the review is Google. I love this company!! Professional and personable, I am so happy to know Seth will answer if I need him!!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.