Do you provide Commercial HVAC Manassas VA services?

Yes, we provide full commercial services including Rooftop Unit (RTU) replacement, maintenance contracts, and server room cooling for businesses in Manassas, Innovation Park, and the Airport corridor.

Do you repair water heaters in Manassas?

Yes, Dr. HVAC Inc. repairs and installs standard tank and tankless water heaters throughout Manassas and Prince William County. We can help with sediment flushing and anode rod replacement.

How much does HVAC Manassas VA service cost?

The cost of a new AC or Heat Pump varies based on size (tonnage) and efficiency (SEER2 rating). Typically, complete installations range from $5,500 to $12,000+. We offer free estimates and financing options to help manage the cost.

Do you offer financing?

Yes, we offer flexible financing plans for new installations, subject to credit approval. This allows homeowners to upgrade to high-efficiency systems for a low monthly payment.

Reliable HVAC Services in Manassas, VA

From Old Town Manassas to Bull Run, Dr. HVAC Inc. is your trusted authority for AC Repair, Heating Installation, Commercial Systems, and Water Heaters.

Trusted by your neighbors in Prince William County. Now bringing 5-star comfort specifically to Manassas, Sudley, and Bull Run.

Reliable HVAC Manassas VA Solutions

When searching for expert HVAC Manassas VA companies, homeowners face unique challenges. With our hot, humid summers driven by moisture from the Occoquan Reservoir and our freezing, dry winters, your heating and cooling systems work harder here than almost anywhere else. Standard "cookie-cutter" HVAC solutions often fail to control humidity or leave upstairs bedrooms uncomfortably hot.

At Dr. HVAC Inc., we go beyond basic repairs to provide the best HVAC Manassas VA experience. Whether you own a historic home in Old Town that needs a high-velocity system, a 1980s townhouse in Wellington with airflow issues, or a commercial warehouse near the Manassas Regional Airport, our certified technicians have the specific experience to handle it.

We proudly serve all Manassas communities including: Sudley, Westgate, Georgetown South, Ashton Glen, Manassas Park, and Loch Lomond. (Zip Codes: 20110, 20109, 20111).

Complete HVAC Manassas VA Services

We are a full-service HVAC contractor. Browse our core services below:

❄️ AC Repair & Install

Top-rated HVAC Manassas VA repair for all brands (Carrier, Trane, Lennox). Our trucks are stocked to fix frozen coils or leaks on the first visit. See our AC Repair Services.

🔥 Gas & Electric Furnaces

Safety is our priority. We inspect heat exchangers for cracks (a CO hazard) and repair ignition failures. Learn more about Furnace Repair.

🔄 Heat Pump Specialists

Heat pumps are the standard for HVAC Manassas VA homes. We expertly diagnose "Defrost Mode" issues and reversing valve failures. Visit our Heat Pump page.

🏢 Commercial HVAC

We minimize downtime for your business. From 5-ton to 25-ton Rooftop Units (RTU) to split systems for retail strips. View Commercial Services.

🏠 Ductless Mini-Splits

Perfect for sunrooms or historic homes without ductwork. We are certified installers for ductless systems. Read more on Ductless.

🍃 Indoor Air Quality

Manassas humidity causes mold. We install dehumidifiers and UV lights to keep your air clean. Check our Air Quality solutions.

💧 Water Heater Services

No hot water? We replace 40/50-gallon tanks and specialize in endless hot water Tankless upgrades. See Water Heater options.

📱 Smart Thermostats

Upgrade to Ecobee or Nest. We handle the "C-wire" installation for constant power. Smart Thermostat Install.

🛠️ Maintenance Agreements

Protect your HVAC Manassas VA investment. Regular tune-ups prevent mid-summer breakdowns and keep your warranty valid. View Maintenance Plans.

Commercial HVAC Manassas VA Services

Business never stops, and neither do we. Dr. HVAC Inc. provides rapid-response commercial services for property managers, business owners, and facility directors in Prince William County.

Industries We Serve:

Retail & Strip Malls: (Sudley Rd Corridor)
Warehousing & Industrial: (Godwin Dr / Airport)
Medical Offices: (Clean air filtration requirements)
Restaurants: (Kitchen hood & makeup air units)
Churches & Community Centers

Our Capabilities:

Rooftop Unit (RTU) Replacement (Crane Lift Coordination)
Planned Maintenance Contracts (Quarterly/Bi-Annual)
Server Room & Data Center Cooling (CRAC Units)
VRF / VRV System Installation
Pneumatic to Digital Control Upgrades

Solving Manassas's Toughest Comfort Problems

Over the years, we have identified specific patterns in local homes. Here is how Dr. HVAC solves the issues that other contractors miss.

Problem 1: The "Hot Upstairs" in Townhomes

The Issue: Many 3-story townhomes in Bull Run, Sudley, and Wellington suffer from the "Stack Effect." Heat rises, leaving the top floor 10 degrees hotter than the living room, forcing your AC to run non-stop.

Our Solution: We don't just oversizing the unit. We recommend:

Zoning Systems: Electronic dampers that direct air specifically to the bedrooms at night.
Return Air Modifications: Adding return vents to pull hot air out of the top floor.
Attic Insulation: Ensuring your ductwork isn't gaining heat from a 140-degree attic.

Problem 2: Hard Water & Water Heaters

The Issue: Manassas water has mineral content that leads to sediment buildup. This causes "popping" noises and premature tank failure.

Our Solution: We install water heaters with self-cleaning dip tubes. For better protection, we recommend Tankless Water Heaters which provide endless hot water for large families.

What is Included in an AC Tune-Up?

A "check-up" isn't enough. Our 21-Point Precision Tune-Up is designed to restore your system to factory specifications.

Check refrigerant levels (Subcooling/Superheat)
Inspect and tighten all electrical connections
Check capacitor microfarads
Clean outdoor condenser coils
Flush condensate drain line (prevent water damage)
Check blower motor amps
Inspect contactor for pitting/burns
Check thermostat calibration
Measure temperature differential (Delta T)
Inspect ductwork for visible leaks
Lubricate moving parts (if applicable)
Test safety controls and limits

2026 Pricing, Rebates & Financing

Investing in a new HVAC Manassas VA system is a major decision. We make it affordable by helping you navigate financing plans and claiming every available rebate.

Incentive Program	Potential Savings	Status
Federal Tax Credit (25C)	Up to $2,000 per year. Learn more.	ACTIVE
Dominion Energy Rebates	Up to $350 for Tune-ups. Verify Here.	ACTIVE
Manufacturer Instant Rebates	Seasonal - Up to $1,000. Check Coupons.	CHECK AVAILABILITY

View Financing Options

Estimated Repair Costs (Manassas Area)

Note: These are ranges based on typical jobs. We provide a firm, flat-rate price before starting any work.

Service	Estimated Range
Diagnostic Visit / Service Call	$89 - $129 (Waived if repair is performed)
Refrigerant Leak Search & Repair	$250 - $600+
Capacitor / Contactor Replacement	$150 - $350
Blower Motor Replacement	$400 - $900+

Why Locals Choose Us for HVAC Manassas VA

★★★★★ "I called three companies for a quote. Dr. HVAC was the only one who actually measured my windows and insulation (Manual J) instead of just guessing. The installation was flawless."
— Robert D., Wellington

★★★★★ "Our warehouse heater failed during the cold snap. They had a technician onsite in 2 hours and got the heat back on so our pipes didn't burst. Highly recommended for commercial work."
— Logistics Manager, Godwin Dr.

Ready to Restore Comfort?

The trusted choice for HVAC Manassas VA services. Serving all Residential & Commercial needs in Manassas, Bristow, and Prince William County.

Call Now: (703)-869-9524