Based in Leesburg, VA

Heat Pump Repair in Leesburg, VA

Heat Pump Repair in Leesburg, VA: dual-certified technicians serving Loudoun County, available 24/7 with no overtime charges.

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Leesburg Heat Pump Repair, Diagnosed Right

Brick Street Plumbing Heat & Air handles heat pump repair in Leesburg and across Loudoun County, diagnosing and fixing systems from Ashburn to Sterling to Lansdowne. If your heat pump has stopped heating, stopped cooling, or started making a noise that wasn't there last week, our dual-certified HVAC technicians can be on-site fast, and that call costs the same rate whether it's Tuesday afternoon or 2am Saturday. No overtime fees. Ever.

Heat pump work is different from standard furnace or AC repair because the system does both jobs through one refrigerant cycle, and a misstep on one side ripples through the other. A refrigerant leak that looks like a cooling problem in July often traces back to a reversing valve that was already wearing out in February. Our technicians carry factory certifications on major brands including Trane, Daikin, Mitsubishi, Bosch, and Amana, and they run a full diagnostic before recommending any repair. What drives cost on a heat pump job is usually the failed component itself: a capacitor swap is a quick fix, a compressor replacement is a larger investment, and the age of the system matters when you're weighing repair against a new heat pump installation. Every job is different, so contact Brick Street Plumbing Heat & Air for an accurate estimate.

Common Heat Pump Problems We Fix

Most heat pump failures come down to a handful of components. Here's what our techs find most often in Loudoun County homes.

Reversing Valve Failure

The reversing valve switches the system between heating and cooling mode. When it sticks or leaks, you get a unit that blows lukewarm air regardless of the setting. It's one of the more common heat pump failures and not something a homeowner can safely test without refrigerant gauges.

Refrigerant Leaks

Low refrigerant means the system can't move enough heat in either direction. Ice on the outdoor coil in summer, weak heating in winter, and higher electric bills are the usual signs. We locate the leak, repair it, and recharge to the correct level for your unit's specifications.

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Capacitor and Contactor Issues

Capacitors start the compressor and fan motors. A failed capacitor is one of the fastest repairs we make, and it's often what separates a unit that won't start from one that needs a full compressor. We also cover AC capacitor replacement as part of a broader heat pump diagnostic.

Defrost Cycle Problems

In winter, heat pumps defrost their outdoor coils automatically. If the defrost board or sensors fail, ice builds up on the coil and efficiency drops to near zero. Loudoun County's cold snaps are exactly the conditions that expose this failure mode.

Thermostat and Control Board Faults

Comfort complaints often aren't the heat pump at all. A miscalibrated thermostat or a failing control board can make a perfectly good system behave erratically. We verify the controls before we touch the mechanical components, because replacing a part that isn't broken wastes everyone's time.

Blower Motor and Fan Failures

Indoor and outdoor fan motors move air across the coils. A sluggish or failed blower means the heat exchange stops working even if the refrigerant circuit is fine. Unusual squealing or grinding is usually the first sign, well before total failure.

Repair vs. Replace

Should You Repair or Replace the System?

This is the question that matters most, and the honest answer depends on three things: the age of the unit, the cost of the repair, and what the system has already cost you in the past 24 months. A heat pump that's under ten years old with a failed capacitor or a bad defrost board is almost always worth repairing. A system that's 15 or more years old facing a compressor replacement is a different calculation entirely, because compressor cost can approach half the price of a new system and you'll still have an aging unit on the other side of the job. Leesburg's older homes, particularly those along Market Street and in the historic district, often have equipment from the early 2000s that has reached that crossover point. Newer subdivisions in Brambleton and Broadlands typically have systems young enough that repair is the clear call. We'll tell you which side of that line you're on after the diagnostic, not before. We won't push a replacement to close a larger ticket, and we won't patch a system that genuinely needs to be retired.

Our Process

How a Brick Street Heat Pump Diagnostic Works

Full System Inspection
We check refrigerant pressures, electrical components, coil condition, reversing valve operation, and airflow before reaching any conclusion about what's failed. A symptom like 'not heating' has a dozen possible causes and we find the actual one.
Straight Explanation of Findings
Before we touch a part, we explain what we found, what it will take to fix it, and whether that repair makes sense given the system's age and condition. You make the call with complete information.
Repair Completed Same Visit When Possible
Our trucks carry common components for major brands. Most capacitor, contactor, sensor, and control board repairs finish the same day. Compressor or coil work on older or less common units may require a parts order, and we'll give you a clear timeline.

Why Heat Pumps Need Loudoun County Expertise

Northern Virginia's climate puts heat pumps through a real workout. Summers run hot and humid, with heat index values that push outdoor coils hard for months at a stretch. Winters, while moderate compared to upstate, drop cold enough, often into the teens during January and February, that heat pumps need their auxiliary heat strips to carry the load, and the interaction between the heat pump and the aux heat is a common source of comfort complaints and high electric bills. A technician who works primarily in a milder climate won't know those patterns the way our team does from servicing Leesburg and Loudoun County homes year-round. We also know the difference between a system that's genuinely struggling in the cold and one that's been set up incorrectly from the original install. Incorrect balance point settings are a preventable problem. Loudoun County's growth in newer subdivisions has also brought a wave of ductless and dual-fuel heat pump systems, particularly in Herndon and Chantilly area homes, and our factory certifications cover those systems too. If your heat pump work intersects with plumbing, whether it's a condensate drain issue or a hydronic system, we handle that in the same visit rather than sending you to a second contractor.

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Heat Pump Maintenance Keeps Repair Bills Lower

The heat pump failures we see most often were preventable. Annual maintenance catches failing components before they cascade.

Coil cleaning extends compressor life: Dirty coils force the compressor to work harder, shortening its lifespan measurably.
Refrigerant checks prevent coil freeze: Catching a slow leak early costs a fraction of the repair after ice damage occurs.
Defrost system verification before winter: A board or sensor that's degrading in October will fail during the first hard freeze.
Electrical checks protect expensive components: Weak capacitors and loose connections are cheap to address and costly to ignore.

Loudoun County Homeowners We Serve

Brick Street serves the full Loudoun County area for heat pump repair, maintenance, and replacement. Our team reaches most locations within the county on the same call.

Schedule Heat Pump Repair in Leesburg

4.6 stars across 282 Google reviews. Dual-certified technicians. No overtime fees, ever. Call (240) 969-4911 or use the form below.

Whether your heat pump stopped working overnight or has been slowly losing performance for weeks, we'll diagnose it honestly and fix what actually needs fixing. Loudoun County homeowners have trusted Brick Street's licensed HVAC professionals for both plumbing and heating and cooling work, because running one call saves you two service fees and a day of your time.

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(240) 969-4911

Based in Leesburg, VA.

4.6 from 282 Google reviews

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Frequently asked questions

Why is my heat pump running constantly but not reaching the set temperature in winter?

In Leesburg winters, a heat pump that runs nonstop usually means one of three things: the system is undersized for the load on the coldest days, the refrigerant charge is low, or the reversing valve isn't fully switching to heating mode. Auxiliary heat strips should bridge the gap on the coldest nights, but if the aux heat is also running constantly, that's a separate diagnostic. We check refrigerant pressure and valve operation first because those are the most common culprits.

Can a heat pump work efficiently when it's below freezing outside?

Standard heat pumps lose efficiency as outdoor temperatures drop below about 35 to 40 degrees Fahrenheit, and most systems include auxiliary electric heat strips to cover the gap. Loudoun County winters occasionally drop into the teens, which is why proper balance point configuration matters. Cold-climate heat pump models handle lower temperatures better if you're replacing an older system. We'll tell you honestly whether your current equipment is matched to your home's load.

What's the typical lifespan of a heat pump, and when does repair stop making sense?

A well-maintained heat pump lasts 12 to 17 years in this climate. Repair makes clear sense under ten years of age on most failures. Past 15 years, we evaluate each repair against replacement cost: if the fix is more than half the price of a new system, and the unit has had other repairs recently, replacement is usually the better financial decision. We walk through those numbers with you after the diagnostic so you're not guessing.

Why is there ice forming on my heat pump's outdoor unit?

Some frost on the outdoor coil in winter is normal. Heavy ice buildup that doesn't clear is not. It typically points to a defrost cycle failure, a refrigerant leak causing the coil to run too cold, or severely restricted airflow from a dirty air filter. In summer, ice on the outdoor unit is always a refrigerant or airflow problem. Don't chip the ice manually. Let the system thaw, replace the filter, and call us if it refreezes.

My heat pump makes a clicking or grinding noise when it starts. Is that a serious problem?

Clicking at startup is often normal as the contactor engages. Repeated clicking that doesn't lead to the system running usually means the contactor or capacitor is failing and the compressor can't start. Grinding or screeching is almost always a motor bearing problem, either in the outdoor fan or the indoor blower. Both should be addressed quickly because running a motor past bearing failure damages the motor itself and can involve other components.

Do Brick Street technicians work on ductless mini-split heat pumps as well as central systems?

Yes. Our factory-certified technicians service ductless mini-split systems from Mitsubishi, Daikin, and other major brands alongside central heat pump systems. Mini-splits have their own failure modes, particularly with the refrigerant line sets, condensate drains, and control boards, and we carry components for common models. If you're considering converting to a ductless system, we handle that side of the work too.

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