Every emergency call includes a full diagnostic, a clear explanation of the failure, and a repair quote before we start. Here is what you get when we show up.
We test power, capacitors, contactors, thermostat, control board, and refrigerant charge. Using a manifold gauge set, digital multimeter, and leak detector, we identify the actual failure instead of guessing and swapping parts.
If the system is low on charge, we find the leak with an electronic leak detector, repair the line or joint, and recharge with R-410A or R-32 to the manufacturer's spec. We do not just top it off and hope.
Failed capacitors, contactors, blower motors, fan motors, defrost boards, and thermostats get replaced on the spot when we have the part on the truck. Most common failures are covered by our stock.
We force a defrost cycle and confirm the board, sensors, and reversing valve work together. A heat pump that cannot defrost will freeze up and lose capacity, so we verify this before we leave.
We inspect the indoor and outdoor coils, check the filter, and measure temperature split at the vents. Restricted airflow causes frozen coils and short cycling, so we catch it during the repair.
We run a full heating and cooling cycle, check amp draw with a clamp meter, and confirm the system holds. You see the numbers before we pack up. If something is off, we stay until it is right.
Emergency Heat Pump Repair in Manassas is the urgent diagnosis and repair of a heat pump that has stopped heating, stopped cooling, or failed in a way that leaves your home uncomfortable or unsafe. That means a technician arrives with a manifold gauge set, digital multimeter, and leak detector, then works through the system methodically: refrigerant charge, capacitors, contactors, reversing valve, defrost board, blower motor. Most no-heat calls trace back to a failed capacitor, a stuck reversing valve, or a refrigerant leak. We find the fault, fix it, and verify the system holds before we pack up.
Manassas winters swing hard. A 20-degree night in Yorkshire or Sudley puts real strain on a heat pump, and that is when weak capacitors and low refrigerant finally give out. Summer is no kinder. A 98-degree afternoon in West Gate or Georgetown South pushes a system running on a dirty coil straight into short cycling. When you search for Emergency Heat Pump Repair Manassas VA near me at 11 p.m., you want a tech who knows these systems and these neighborhoods, not a call center three states away.
From the first ring to the final test, here is exactly how an emergency heat pump call runs with our team.
Schedule
Call or book online — a real human picks up and confirms a 2-hour arrival window.
Diagnose
Licensed tech inspects on-site, then walks you through the cause and your options.
Fix
The job is completed to code and done right the first time — no shortcuts, no surprises.
Guarantee
Every job backed by a written workmanship warranty — and we stand behind it.
Manifold gauge set
Reads high-side and low-side refrigerant pressure to confirm charge and diagnose compressor or metering device issues.
Digital multimeter and clamp meter
Tests voltage, continuity, and amp draw on capacitors, contactors, motors, and control boards to pinpoint electrical faults.
Electronic leak detector
Finds refrigerant leaks at joints, coils, and line sets so we repair the source instead of just recharging.
Vacuum pump and recovery machine
Recovers refrigerant per EPA Section 608 rules and pulls a proper vacuum before recharging the system.
Capacitor tester
Measures microfarad rating on run and start capacitors to confirm failure instead of guessing.
Coil cleaning pump
Applies detergent and rinse to indoor and outdoor coils, restoring airflow and heat transfer.
Fin comb
Straightens bent coil fins so airflow across the coil is not blocked after debris or impact damage.
EPA Section 608 refrigerant handling
Every refrigerant recovery, recharge, and leak repair follows EPA Section 608 rules. We recover, recycle, and recharge to the manufacturer's weight spec, and we document the charge for your records.
NATE-certified diagnostics
Our technicians hold NATE certification, which means they have passed industry testing on heat pump theory, electrical diagnosis, and refrigerant cycle analysis. That training shows up in how fast we find the fault.
ACCA quality standards
We follow ACCA quality standards for load calculation, airflow verification, and commissioning. On repairs, that means we check temperature split and static pressure, not just the part that failed.
OSHA-compliant job sites
We work to OSHA safety compliance on every call, from lockout procedures on electrical components to safe refrigerant handling. Your home and our techs stay safe.
01
What we do: Call our line. A live dispatcher answers, gives you an arrival window, and sends a tech with a stocked truck. We diagnose the failure, repair it on the spot if it is a capacitor, contactor, or board, and get heat back on.
→ You wake up to a warm house instead of a cold one, and the repair costs what the dispatcher quoted.
02
What we do: We test refrigerant charge, the reversing valve, and the defrost board. If the valve is stuck or the charge is low, we repair the leak, replace the valve, and recharge with R-410A or R-32 to spec.
→ The system switches back to heating mode and delivers warm air within the same visit.
03
What we do: We thaw the coil, diagnose the defrost failure, and repair the board or sensor causing it. We also check airflow and refrigerant charge, since both can trigger freezing.
→ The defrost cycle runs correctly, the coil stays clear, and the system heats without short cycling.
04
What we do: A humming unit that will not start usually means a failed capacitor or contactor. We test with a capacitor tester, replace the failed part from our truck stock, and verify the compressor starts and runs within spec.
→ Heat is back on within a couple of hours, and you avoid a compressor replacement.
Manassas heat pumps work hard. Winter nights drop into the teens and low twenties, and summer afternoons push past 95 degrees. That swing stresses capacitors, contactors, and reversing valves, which is why we see so many no-heat calls in January and no-cool calls in July. Older homes in the Manassas Historic District and Old Town Manassas often have ductwork that was sized for a furnace, not a heat pump, so airflow issues and frozen coils show up more often there. Newer construction in Bristow, Gainesville, and Haymarket tends to have tighter envelopes and variable-speed systems, which need different diagnostics. We work under Virginia HVAC license and Manassas County contractor licensing, and we handle refrigerant per EPA Section 608. If you need after hours hvac repair near Manassas VA, we know the housing stock and the weather that breaks it.
Old Town Manassas
Older homes with retrofitted ductwork often need airflow checks and coil cleaning before a heat pump runs efficiently.
Bull Run
A mix of older and newer systems. We see capacitor and contactor failures on units that have run through several hard winters.
Sudley
Many homes here have heat pumps over 10 years old. Defrost board and reversing valve failures are common calls.
Bristow
Newer construction with variable-speed systems. Diagnostics focus on control boards, sensors, and refrigerant charge.
Manassas Park
Tighter lots mean outdoor units sit close to walls, which can restrict airflow and cause overheating in summer.
Winter nights in the teens and low twenties
Pushes heat pumps into defrost frequently. Weak defrost boards and sensors fail under this load, leaving ice on the coil and no heat.
Summer afternoons above 95 degrees
High head pressure and long run times expose weak capacitors and dirty coils. Short cycling and no-cool calls spike in July and August.
Older ductwork sized for furnaces
Restricted airflow causes frozen coils and poor heat output. We check static pressure and recommend duct repairs when needed.
Mixed housing stock from historic to new construction
Older systems need part-level repair; newer variable-speed systems need control board and sensor diagnostics. We carry tools for both.
These are the calls we run most often in Manassas County. If your system is doing any of these, call us before it gets worse.
Problem
You wake up to a cold house and a system blowing room-temperature air. Left alone, the compressor runs constantly and can fail entirely, turning a $300 repair into a $2,000 replacement.
Our Fix
We diagnose the cause, whether it is low refrigerant, a stuck reversing valve, a failed defrost board, or a bad capacitor. We repair the fault, recharge if needed, and verify heat output at the vents before we leave.
Problem
The system runs but delivers no heat. This usually means low refrigerant, a reversing valve stuck in cooling mode, or a defrost board failure. Running it this way wastes energy and stresses the compressor.
Our Fix
We test the reversing valve, check refrigerant charge with a manifold gauge set, and inspect the defrost board. Once we find the fault, we repair it and confirm the system switches properly between heating and cooling.
Problem
Ice builds on the outdoor coil and blocks airflow. The system loses capacity, runs longer, and eventually shuts down on a safety. Ignoring it can damage the compressor.
Our Fix
We thaw the coil safely, then diagnose the root cause: a failed defrost board, a bad sensor, low refrigerant, or restricted airflow. We repair the cause, not just the symptom, so the coil does not freeze again.
Problem
The system turns on and off every few minutes. This wears out the compressor, spikes your electric bill, and leaves rooms uncomfortable. It often points to an oversized system, low refrigerant, or a faulty thermostat.
Our Fix
We measure cycle times, check refrigerant charge, test the thermostat and control board, and inspect airflow. Once we identify the cause, we repair or adjust the system to run full cycles again.
Problem
Grinding, screeching, or banging means a bearing, fan motor, or compressor is failing. Running it louder and longer turns a repairable part into a major failure.
Our Fix
We diagnose the noise source: fan motor bearing, loose panel, debris in the blade, or compressor internal failure. We repair or replace the failed component and test the unit for smooth, quiet operation.
A dead heat pump is not a wait-until-Tuesday problem. Here is what you get when you call our line instead of crossing your fingers.
24/7 Dispatch, Real Humans
Our phone is answered by a live dispatcher around the clock, including weekends and holidays. When you call for 24/7 hvac repair Manassas VA, you get a real person who can quote a window and send a tech, not a voicemail box that fills up until morning.
Same-Day Repairs, Most Calls
We stock R-410A refrigerant, capacitors, contactors, blower motors, and defrost boards on every truck. That means most same day Emergency Heat Pump Repair Manassas calls are diagnosed and repaired in a single visit, usually within two to four hours of your call.
Licensed, Insured, Code-Correct
Every technician holds a Virginia HVAC license and works under EPA Section 608 rules for refrigerant handling. We pull Manassas County contractor licensing where required and leave the job compliant, so your homeowner's insurance and warranty stay intact.
Upfront Pricing, No Surprises
We quote the repair before we start. Typical emergency repairs run $180 to $650 depending on parts and refrigerant. You approve the number, we do the work. No after-hours markup games, no invoice that doubles between the driveway and your kitchen table.
Emergency heat pump repair in Manassas runs $180 to $650 for most calls, with compressor or reversing valve jobs landing higher. Typical 2026 pricing in this area reflects parts, refrigerant, and after-hours labor. A capacitor or contactor swap sits at the low end. A refrigerant leak repair with recharge or a defrost board replacement lands in the middle. We quote the number before we start, so you approve the cost. No after-hours markup games. If you need 24/7 hvac repair Manassas VA, you get the same honest pricing at 3 a.m. as at 3 p.m.
Typical Investment Range
$180 - $650 for most repairs; compressor or reversing valve jobs run higher
You are paying for a licensed tech, a stocked truck, and a repair that holds. We test the system before we leave and warranty our labor. A repair that lasts is cheaper than a cheap repair that fails next month.
What changes the price
Failed component
A capacitor or contactor is a quick, low-cost fix. A blower motor, fan motor, defrost board, or reversing valve costs more because the part is more expensive and the labor takes longer.
Refrigerant type and charge
R-410A and R-32 refrigerant costs vary, and the amount needed depends on system size and how low the charge has dropped. Leak repair adds labor before the recharge.
Time of day
After-hours and holiday calls carry a higher labor rate than weekday daytime visits. We tell you the rate when you call, so there is no surprise on the invoice.
System age and access
Older systems can have seized bolts, brittle wiring, and hard-to-reach components that add labor time. We factor that into the quote, not the final bill.
Compressor or major failure
A failed compressor is the most expensive repair. We diagnose it properly and give you both repair and replacement numbers so you can decide what makes sense.
Google ★★★★★4.9
Called at 10 p.m. on a Sunday with no heat. Dispatcher was polite and gave a real arrival window. Tech showed up in two hours, found a bad capacitor, and had us warm before midnight. Price was fair and exactly as quoted.
Yelp ★★★★★4.8
Our heat pump was blowing cold air and two companies said we needed a new system. These guys found a stuck reversing valve and a small leak. Fixed both for a fraction of replacement cost. Honest and knowledgeable.
BBB ★★★★★4.9
Used them for an emergency repair in Bull Run. The tech was clean, explained everything, and tested the system before leaving. No upsell, no pressure. We signed up for their maintenance plan after that.
Google ★★★★★5.0
Frozen coil in January. They thawed it, found the defrost board was bad, and replaced it the same visit. Heat was back on in a few hours. They also cleaned the coil and checked the filter. Worth every penny.
Our technicians work on heat pumps every day, not once a month. We service Carrier, Trane, Lennox, Goodman, Rheem, York, Mitsubishi Electric, Daikin, Bosch, and American Standard systems across Manassas County. Every tech holds NATE certification and works under EPA Section 608 rules for refrigerant handling, with ongoing training on inverter-driven and variable-speed equipment. We follow ACCA quality standards on every install and repair, and we keep our Virginia HVAC license and Manassas County contractor licensing current. When we open a panel, we know what we are looking at.
Real experiences from customers who chose our Emergency Heat Pump Repair services.
“Our heat pump quit on a Friday night in January. I called at 9 p.m. and a tech was at the house by 11:30. He found a failed capacitor, had one on the truck, and we had heat before midnight. The price was exactly what the dispatcher quoted. No after-hours surprise.”
Dana R.
Homeowner, Old Town Manassas
“We had a refrigerant leak that two other companies missed. The tech here used a leak detector, found the leak at a joint, repaired it, and recharged the system. That was last summer and it is still holding. He explained everything without talking down to me.”
Marcus T.
Homeowner, Bull Run
“Our heat pump was blowing cold air in heat mode. They diagnosed a stuck reversing valve, replaced it, and tested the whole system. It took about three hours and the house was warm again. Fair price, clean work, and they cleaned up after themselves.”
Priya S.
Homeowner, Sudley
Real answers to the questions we hear most often from local homeowners and property managers.
Standard heat pump repair covers the same diagnostics as an emergency call but on a scheduled visit. If your system is limping rather than dead, we can book a daytime appointment and fix it before it quits.
View Heat Pump RepairWhen a compressor or reversing valve failure makes repair a bad investment, we install Carrier, Trane, Lennox, Goodman, Rheem, and Daikin systems. We size the unit to your Manassas home and pull the required permits.
View Heat Pump InstallationTwice-a-year maintenance catches weak capacitors, dirty coils, and low refrigerant before they strand you on a cold night. We clean coils, test components, and check the defrost cycle so emergency calls stay rare.
View Heat Pump MaintenanceA tune-up is a focused check before heating or cooling season. We test the capacitor, contactor, thermostat, and refrigerant charge, then clean the coil and change the filter. It is the cheapest insurance against a mid-winter breakdown.
View Heat Pump Tune-UpLow refrigerant is one of the most common causes of a heat pump blowing cold air in heat mode. We use a leak detector to find the leak, repair the line, and recharge with R-410A or R-32 to the manufacturer's spec.
View Heat Pump Refrigerant Leak RepairA failed compressor is the most expensive heat pump repair. We diagnose it properly, confirm it is not a capacitor or contactor issue, and replace the compressor or recommend full system replacement when the math favors it.
View Heat Pump Compressor ReplacementCall 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.
Phone
(571) 760-4910Address
9101 Mike Garcia Dr, Manassas, VA 20110
Hours
Mon–Fri: 7AM – 7PM
Sat: 8AM – 4PM
Sun: Emergency Only
24/7 Emergency Available
