In the heart of Manassas, VA, where humid summers push air conditioners to their limit, keeping your system running efficiently isn’t just a comfort—it’s a necessity. Homeowners across Old Town, Liberia Avenue, and nearby communities trust Service First Heating & Air for responsive, long-lasting air conditioning repair that restores cool air quickly and affordably. Whether your AC is short-cycling, leaking, or blowing warm air, our local technicians are just a call away.
✅ Licensed & Insured
✅ BBB Accredited • Google Guaranteed
✅ 24/7 Emergency Service
✅ 30+ Years Serving Virginia Homes & Businesses
Manassas’ combination of summer heat and dense suburban housing makes air conditioning repair a year-round priority. Our expert HVAC specialists understand how Virginia’s humidity and dust can wear down even high-end systems. We provide precise diagnostics, reliable parts replacement, and fast solutions tailored to your home or business.
Whether you’re managing a townhouse near Sudley Road or a commercial space downtown, we ensure your cooling system runs at peak efficiency when you need it most. With a deep understanding of local HVAC demands, our team proudly serves homes not just in Manassas, but also nearby Manassas Park, VA and Gainesville, VA.
Every service call begins with a thorough inspection. We use advanced diagnostic tools to identify faults quickly, whether it’s compressor failure, clogged filters, or low refrigerant levels. After pinpointing the issue, we walk you through your options before performing repairs that last.
Our air conditioning repair services include:
We handle every phase with precision — from consultation to final testing — ensuring your comfort returns fast and stays reliable. Our technicians are fully licensed, factory-trained, and backed by warranties that give peace of mind all summer long.
Service First Heating & Air is proud to be the team you choose for HVAC services.
We’ve proudly served Manassas for over three decades, keeping thousands of homeowners cool through even the hottest summers. From older homes near Signal Hill to new developments by Hastings Marketplace, we’re familiar with every type of AC setup.
When the heat hits, you can rely on Service First Heating & Air for expert workmanship and honest service. Contact us today to experience the difference that true local expertise can make. We’re committed to your comfort, providing fast, reliable AC repair service when you need it most. Trust Service First Heating & Air to keep your home comfortable year-round.
Our comprehensive air conditioning repair services are meticulously designed to address a broad spectrum of needs across residential, commercial, and property management sectors.
Our services are ideally suited for:
Whether it’s central air repair or fine-tuning a ductless AC repair, we deliver consistent, efficient results. Unlike big-box HVAC providers, our Manassas technicians understand local homes, HOA guidelines, and the unique challenges of Virginia’s humid climate.
From sudden breakdowns to seasonal maintenance, Service First Heating & Air stands apart for fast response and unmatched attention to detail. We tailor solutions for every type of unit, whether it’s central air repair, ductless AC repair, or rooftop AC repair, giving you energy efficiency and long-term reliability. While we’re known for reliable air conditioning repair, we also specialize in professional Heating services to keep you warm when temperatures drop.
Manassas homeowners and businesses choose us because we:
We treat every home like our own — because your comfort and trust are our priority. Proudly serving Bristow, VA and surrounding communities with reliable, personalized HVAC service.
If your system is blowing warm air or running inefficiently, don’t wait for it to fail completely. Call Service First Heating & Air today at 📞 (540) 690-6236 or request service online. Our Manassas technicians are standing by to deliver fast, professional air conditioning repair with results that last. From single-family homes to large commercial buildings, we deliver tailored service backed by experience, integrity, and care.
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Q1: Do you offer emergency air conditioning repair in Manassas, VA?
Yes. Our technicians are available 24/7 for emergency air conditioning repair in Manassas, ensuring your comfort is restored quickly, even during peak summer heat.
Q2: Can you repair both residential and commercial rooftop units?
Absolutely. We’re experienced in rooftop AC repair for offices, restaurants, and retail properties. Our crew follows safety standards and completes most repairs the same day.
Q3: What causes my AC to lose cooling efficiency?
Common causes include low refrigerant, clogged coils, or faulty thermostats. Our diagnostics pinpoint the root issue and prevent repeat breakdowns, saving you money on future central air repair calls.
Q4: Do you service ductless systems in older homes?
Yes. Ductless AC repair is one of our specialties — perfect for homes without traditional ductwork. We restore airflow, clean filters, and calibrate the unit for balanced room-to-room comfort.
Beyond serving Manassas, our expert air conditioning repair services extend throughout Northern Virginia, including Manassas Park, Bristow, and Gainesville, VA. Wherever you are in the region, our skilled HVAC technicians are committed to bringing fast, reliable, and affordable solutions right to your doorstep. Combining years of experience in both cooling and heating systems, we provide comprehensive care for your entire HVAC setup.
Whether it’s a routine check-up before the summer heat or a thorough inspection to prepare for colder months, we ensure each visit delivers dependable results. At Service First Heating & Air, customer satisfaction is our priority, and we strive to keep your indoor environment comfortable no matter the season. Trust us to handle everything from minor tune-ups to complex repairs.
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.
