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Full-Service Heat Pump Repair in Manassas


From a heat pump not heating to a frozen coil in the middle of summer, we handle every repair your system needs. Our trucks are stocked with R-410A refrigerant, capacitors, contactors, and blower motors so we can get you back to comfort fast. We work on all major brands and back every repair with a warranty.

Licensed Licensed & Bonded
Fully Insured Insured & Bonded
24/7 Emergency Same-Day Response
Warranty Backed Workmanship Guaranteed in Manassas

Full-Service Heat Pump Repair in Manassas

From a heat pump not heating to a frozen coil in the middle of summer, we handle every repair your system needs. Our trucks are stocked with R-410A refrigerant, capacitors, contactors, and blower motors so we can get you back to comfort fast. We work on all major brands and back every repair with a warranty.

Close-up of hands adjusting a boiler system with precise instrumentation, showing maintenance work.

Heat Pump Repair

We diagnose and fix heat pumps that won't heat, won't cool, or make strange noises. Our techs use manifold gauge sets and digital multimeters to pinpoint the issue, then repair it on the spot whenever possible.

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Efficient and innovative heat pump system in an indoor setting for advanced heating solutions.

Heat Pump Installation

New system installation done to Virginia code. We size the unit correctly, seal the ductwork, and test everything before we leave. Brands we install include Carrier, Trane, Lennox, and Goodman.

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Heat Pump Maintenance

Annual tune-ups keep your system running efficiently and catch small problems before they become expensive breakdowns. We clean coils, check refrigerant charge, and test electrical components.

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Emergency Heat Pump Repair

No heat at 2 a.m.? We offer 24/7 emergency service in Manassas. Call us and a technician will be dispatched to get your heat back on fast.

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Heat Pump Tune-Up

A thorough tune-up includes coil cleaning, filter replacement, and a full electrical check. This service helps your system last longer and lowers your energy bills.

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Heat Pump Refrigerant Leak Repair

Low refrigerant means a leak. We use electronic leak detectors to find it, repair the line, and recharge your system with R-410A or R-32 refrigerant to the correct pressure.

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Air conditioner unit mounted outdoors on a building wall, showcasing modern HVAC technology.

Heat Pump Compressor Replacement

A failed compressor is a major repair. We replace it with a matching unit, flush the lines, and verify the system operates correctly. Most replacements take four to six hours.

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Heat Pump Reversing Valve Repair

If your heat pump blows cold air in heat mode, the reversing valve may be stuck. We test and replace it so your system switches between heating and cooling properly.

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Heat Pump Defrost Board Repair

A bad defrost board causes the outdoor unit to freeze up. We diagnose the board with a multimeter and replace it if needed, restoring normal defrost cycles.

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Close-up of hand adjusting radiator thermostat to control home heating temperature.

Heat Pump Thermostat Repair

Thermostat problems can mimic bigger issues. We test yours with a thermostat tester and replace it if it's not communicating correctly with the system.

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Outdoor air conditioning unit mounted on a residential building exterior.

Heat Pump Capacitor Replacement

A weak capacitor stops your compressor or fan from starting. We test it with a capacitor tester and install a new one, usually in under an hour.

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Heat Pump Blower Motor Repair

A failing blower motor means weak airflow or none at all. We repair or replace it, check the fan cage, and make sure your system moves air like it should.

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Heat Pump Fan Motor Repair

The outdoor fan motor pulls heat out of your home. When it fails, we replace it and verify amp draw to prevent future failures.

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Heat Pump Coil Cleaning

Dirty coils make your system work harder and cost more to run. We clean both indoor and outdoor coils using a coil cleaning pump and fin comb.

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Heat Pump Ductwork Repair

Leaky ducts waste money and comfort. We seal joints with duct sealant, repair damaged sections, and balance airflow so every room gets the right temperature.

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Engineer in safety gear working on an outdoor electrical panel, ensuring system functionality.

Heat Pump Electrical Repair

From tripped breakers to burnt wires, we troubleshoot electrical faults with clamp meters and digital multimeters, then make code-correct repairs.

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Energy-efficient heat pump in a green residential garden setting.

Heat Pump Noise Diagnosis

Grinding, squealing, or banging noises mean something is wrong. We identify the source and fix it, whether it's a bearing, a loose fan blade, or a compressor issue.

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Heat Pump Not Heating Repair

When your heat pump blows cold air in heat mode, we check the reversing valve, defrost board, and refrigerant charge to find the cause and fix it fast.

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Wall-mounted air conditioner unit on a white building, set against a clear blue sky, creating a minimalist aesthetic.

Heat Pump Not Cooling Repair

No cooling in July is an emergency. We diagnose refrigerant levels, compressor operation, and airflow to get your AC back quickly.

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Heat Pump Frozen Coil Repair

A frozen coil usually points to low refrigerant or poor airflow. We thaw the coil, find the root cause, and repair it so it doesn't happen again.

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Heat Pump Short Cycling Repair

Short cycling wears out your system fast. We check for oversized equipment, refrigerant issues, and thermostat problems, then correct them.

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Heat Pump Refrigerant Recharge

If your system is low on refrigerant, we find and fix the leak first, then recharge with the correct type and amount. We use a refrigerant recovery machine to handle old refrigerant safely.

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Outdoor air conditioner unit on a modern building surrounded by greenery and landscaping.

Heat Pump Filter Replacement

A clogged filter restricts airflow and raises energy bills. We replace it with the right size and show you how to keep it clean between visits.

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Heat Pump Condensate Drain Cleaning

A clogged condensate drain can cause water damage. We flush the line, clear the clog, and make sure it drains properly.

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Technician inspects and repairs a heating system in an industrial workshop setting.

Heat Pump System Inspection

A full inspection covers electrical, refrigerant, airflow, and mechanical components. You get a written report of what we find and what needs attention.

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Innovative heat pump system by alpha innotec installed outside a contemporary building.

Heat Pump Efficiency Optimization

We adjust refrigerant charge, clean coils, seal ducts, and set your thermostat for maximum efficiency. This service can cut your energy use by 10-15%.

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Heat Pump Replacement

When repair no longer makes sense, we help you choose the right new system. We handle removal, installation, and disposal, and we pull the Manassas County contractor license permits.

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Technician installing or repairing a heating system in an indoor workshop setting.

Heat Pump Zoning System Repair

Zoning problems leave rooms too hot or too cold. We repair dampers, thermostats, and control boards to restore balanced comfort.

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Heat Pump Mini-Split Repair

We service and repair ductless mini-split systems from Mitsubishi Electric, Daikin, and other brands. Common fixes include cleaning, refrigerant recharge, and control board replacement.

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Heat Pump Warranty Service

If your system is under warranty, we handle the paperwork and perform repairs that keep your coverage intact. We work with all major manufacturers.

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How Our Heat Pump Repair Works

We keep it simple: you call, we come, we fix it. No long phone trees, no waiting around all day. Here's what to expect when you book Heat Pump Repair Manassas VA with us.

01

Call or Book Online

Tell us what's going on. We'll ask a few questions to understand the problem and schedule a visit at a time that works for you.

02

On-Site Diagnosis

Our technician arrives in a stocked truck, tests your system with professional tools, and identifies the root cause. You get a clear explanation and a written price.

03

Repair and Test

Once you approve the price, we get to work. Most repairs are done the same day. We test everything before we leave to make sure it's running right.

04

Follow-Up and Warranty

We back our repairs with a warranty. If something isn't right, call us and we'll come back. We also remind you when it's time for maintenance.

Why Manassas Homeowners Call Us First

We are not the biggest company in Northern Virginia, and that is on purpose. We stay small enough to answer our own phones and show up when we say we will. Our technicians are NATE-certified and EPA Section 608 compliant, and we follow ACCA quality standards on every job.

  • Same-Day Service, 24/7 We know a broken heat pump can't wait. That's why we offer same-day appointments and 24/7 emergency service. Call before noon and we'll be there by dinner.
  • Upfront Pricing, No Surprises You get a clear price before we start work. No hidden fees, no overtime charges on nights or weekends. The price we quote is the price you pay.
  • Licensed, Insured, and Local We hold a Virginia HVAC license and a Manassas County contractor license. We're fully insured and OSHA compliant. Our techs live here and know the local climate challenges.
A collection of various old and broken air conditioning units piled outdoors.

98%

Of our customers refer us within the first year.

Heat Pump Repair Manassas VA: Your Questions

We get a lot of questions about heat pump repair. Here are the answers to the ones we hear most often. If you don't see yours, give us a call.

How much does Heat Pump Repair cost in Manassas VA?
Most repairs run between $250 and $650, depending on the part and labor. A diagnostic visit is $89, and we waive that fee if you approve the repair. We give you a written price before we start any work.
Who is the best Heat Pump Repair company in Manassas?
The best company is the one that shows up on time, fixes it right, and stands behind the work. We're NATE-certified, licensed in Virginia, and we offer a warranty on every repair. Check our reviews and call us to see for yourself.
Is there 24/7 hvac repair in Manassas VA?
Yes. We offer 24/7 emergency service for no-heat and no-cool calls. Call our main line anytime and we'll dispatch a technician. Nights and weekends are the same rate as daytime.
How to choose an hvac repair company in Manassas Virginia?
Look for a Virginia HVAC license, insurance, and a written estimate before work begins. Ask about warranties and whether they stock parts on their trucks. We meet all those standards and we're happy to show our credentials.
Does Manassas VA have emergency Heat Pump Repair near me?
Yes, we provide emergency heat pump repair throughout Manassas and Manassas County. Whether your system fails at 2 a.m. or on a holiday, we'll get someone out to you as fast as possible.

Need Heat Pump Repair Manassas VA? Call Now

Don't sweat it out or freeze in the dark. Our licensed techs are ready to fix your heat pump today. Same-day service, upfront pricing, and a warranty on every repair. Call us now.

Call (571) 760-4910 Call (571) 760-4910

Contact Vanguard Heat Pump Service

Call us at (571) 760-4910 or email [email protected]. We answer the phone 24/7 for emergencies. For routine service, we schedule same-day or next-day appointments. Our office is in Manassas, and we serve all of Manassas County and nearby towns.

Vanguard Heat Pump Service Manassas


  • Address

    9101 Mike Garcia Dr, Manassas, VA 20110

  • Hours

    Mon–Fri: 7AM – 7PM
    Sat: 8AM – 4PM
    Sun: Emergency Only
    24/7 Emergency Available

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