Heat Pump Repair Cost (2026): Real Prices by Part

The average heat pump repair in the US costs about $400, and most land between $150 and $650. But an average is close to useless here, because the number is decided almost entirely by which part failed: a capacitor is a same-visit job under $400, and a compressor is a $2,500 one. The useful question is not “what does repair cost” but “what does this repair cost, and is it worth paying on a system this old”. This page answers both, and gives you the one calculation that settles the second.

What you are actually paying for

Every quote is three things stacked: the service call, the part, and the labour.

The service call runs $75–$250 and buys you diagnosis. Beyond the first hour, expect $75–$150 per hour. Two questions worth asking when you book, because the answers vary by company and change the total: is the call fee credited against the repair if you approve the work, and does it cover the diagnosis or only the visit?

The part is where the spread comes from — and it is worth knowing that the labour attached to a part is not proportional to its price. A $40 capacitor is a fifteen-minute swap. A compressor that costs a few hundred dollars carries most of a day of skilled work plus refrigerant recovery, which is why the installed price is $800–$2,500.

The repairs you are most likely to be quoted

Capacitor — $100 to $400

The most common heat pump failure there is. The capacitor gives the motor the kick it needs to start, and when it goes the unit typically hums but doesn’t start, or the outdoor fan sits still while the compressor tries to run. It is a cheap part and a fast job. If a contractor quotes four figures for “an electrical fault” without naming the component, get the part named before you approve.

Thermostat — $85 to $300

Worth ruling out first because it is the cheapest thing that can be wrong, and because it is the one item on this list a homeowner can often check themselves: wrong mode, a dead battery, a schedule nobody remembers setting.

Refrigerant — $100 to $600 to recharge, $200 to $1,500 to repair the leak

Here is the thing most cost guides bury: a heat pump does not consume refrigerant. It is a sealed loop. If the charge is low, it leaked. A recharge alone buys you a season, maybe two, and then you pay again — so a quote for “a top-up” with no leak search is a quote to repeat this conversation next year.

Leak repair varies so widely because location decides everything. An accessible fitting is a modest job. A leak inside the indoor coil often means replacing the coil. Both the recovery and the recharge must be done by an EPA Section 608 certified technician — that is federal law, not a preference.

Reversing valve — $350 to $700

The reversing valve is what makes a heat pump a heat pump: it flips the refrigerant flow so the same equipment can heat and cool. The signature symptom is unmistakable — the system does one and not the other. If your unit cools fine in August and blows cold in January, this is the first suspect.

Blower motor — $300 to $1,000

Weak airflow from the indoor unit, or a squeal that builds as the motor spins up. Worth cleaning the filter and coil first: a badly restricted system can look like a failing blower, and that fix is free.

Circuit / control board — $150 to $700

Frequently the aftermath of a power surge or a lightning storm. Error codes that make no physical sense — a fault reported on a component that tests fine — often trace back here.

Compressor — $800 to $2,500

The heart of the system, and the point at which the conversation stops being about repair. See the next section before approving one.

The calculation that decides repair or replace

Multiply the age of the system in years by the repair quote. If the result is more than about $5,000, replacement is usually the better spend. It is a rule of thumb, not a law, but it captures the thing homeowners get wrong: a $1,200 repair on a 4-year-old unit is obviously worth it, and the same $1,200 on a 14-year-old unit is buying a short extension on something that will ask again.

Three modifiers worth applying to that number:

• Under warranty? Many manufacturers cover the compressor for 10 years — often parts only, so you may still pay the labour, but that changes an $2,500 job into a few hundred dollars. Check before you decide.
• R-22 system? If the unit is old enough to use R-22, refrigerant work is expensive and getting worse as supply shrinks. That pushes hard toward replacement.
• Replacement is more expensive in 2026 than it was in 2025. The federal Section 25C credit — up to $2,000 on a qualifying heat pump — applied to property placed in service before 31 December 2025. It does not apply to a 2026 install. Any cost guide still quoting that $2,000 against a new system this year is out of date, so budget the full price and check state and utility programmes separately, since many of those still run.

What you can check before you pay for a visit

None of these are repairs. They are the things that produce a service call, get diagnosed in ten minutes, and cost you the call-out fee anyway:

1. The thermostat — mode, setpoint, batteries, and whether a schedule is overriding you.
2. The breaker and the outdoor disconnect. A tripped breaker or a disconnect switch left off after other work looks exactly like a dead system. Reset it once. If it trips again, stop and call — a repeatedly tripping breaker is a fault, not an inconvenience.
3. The filter. A clogged filter can cause weak airflow, freezing, and short cycling, and it is free to fix. See how to clean a mini split filter.
4. The outdoor unit’s clearance. Leaves, snow, a fence built too close.
5. Is it actually a fault? A heat pump blowing cool air mid-cycle in winter is usually just defrost, and steam off the outdoor unit is normal. Neither needs a technician.

If the system is running but behaving oddly, work through mini split troubleshooting first, and check your error code — knowing the code before you call makes the visit shorter and cheaper.

When to call a professional

Get two quotes on anything over about $800. The spread on major repairs between contractors in the same city is routinely wider than the cost of getting the second opinion.