Professional HVAC Solutions in Warrenton, VA

We provide expert heating, cooling, and indoor air quality services tailored to your needs—ensuring reliable performance, energy efficiency, and peace of mind all year round.

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Quality & Comfort You Can Trust

Since 2009, Service First Heating & Air has been the trusted choice for heating and cooling solutions in Warrenton and across Fauquier County, VA. As a local, family‑owned business, we put your needs first—offering 24/7 emergency and after‑hours support, backed by a one‑year craftsmanship warranty and 0% financing options.

Experienced Staff

Our NATE‑certified and master HVAC technicians bring decades of combined expertise.

Top‑Quality Equipment

We partner with leading brands like Rheem to ensure lasting performance.

Affordable Pricing

10% off same‑day repairs and special discounts for seniors, veterans, and first responders.

Trusted Local Business

Proudly serving Fauquier County with prompt, reliable service.

Years of Experience
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Proof of quality is in every installation and repair we perform

Service First Heating & Air is proud to be the team you choose for HVAC services.

Air Conditioner Services

Is your A/C ready for the summer heat? From tune‑ups and emergency repairs to custom installations, we keep you cool when it matters most.

Heating Services

Gas and oil furnaces, boilers, heat pumps, geothermal systems—you name it, we service it. Stay warm all winter long with our expert support.

Preventative Maintenance

Extend your system’s life and save on energy costs with bi‑annual inspections, coil cleaning, combustion analysis, filter replacement, safety checks, and more.

HVAC System Replacements

Time for an upgrade? Get up to $1,250 off qualifying systems and enjoy 0% financing for up to 60 months on complete replacements.

Indoor Air Quality Services

Breathe easier with our comprehensive IAQ solutions—air purifiers, humidifiers, UV germicidal lights, and duct cleaning.

Simple & Hassle-Free

We treat every project as if it were our own, ensuring transparency and care at each step.

Consultation & Estimate

We assess your needs and provide a free same‑day quote or second opinion.
Step 1

Installation & Repair

Our skilled technicians work efficiently, with attention to detail and safety.
Step 2

Enjoy the Comfort!

Relax knowing your home is in expert hands—24/7 support included.
Step 3

Our Clients Love Us

Seth was super helpful and professional. He listened to us, and was very kind and honest in his remedies suggested. He was on time and took care of our issue. I recomended him to a customer that was in the shop when he finished up here.
Rebecca G
Fantastic experience talking and working with these professionals. They did a great job letting me know exactly what was going to take place and finished the job within an hour which was surprising to me. I'll definitely keep Service First Heating & Air in my rolodex..
Rodney H

Why Homeowners in Warrenton, VA Trust Service First Heating & Air

With over 15 years of experience in the industry, we specialize in delivering reliable HVAC solutions tailored to your home’s unique needs. From expert repairs and preventative maintenance to full system replacements, our team brings local pride, technical expertise, and a customer-first mindset to every job.

NATE‑Certified Technicians

Our highly trained professionals deliver expert service on every visit.

Rheem Pro Partner

We install top‑quality equipment backed by industry‑leading warranties.

One‑Year Craftsmanship Warranty

Enjoy peace of mind knowing our workmanship is fully guaranteed.

0% Financing & Special Discounts

Flexible payment plans and exclusive savings for seniors, veterans, and first responders.

Emergency & After‑Hours Availability

24/7 support to resolve unexpected HVAC issues whenever they arise.

Free Same‑Day Estimates & Second Opinions

Transparent pricing with no surprises—get a quote before any work begins.

Local, Family‑Owned Since 2009

Personalized service rooted in community trust and dedication.

Preventative Maintenance Plans

Proactive care to extend equipment lifespan and maximize energy efficiency.

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