The two published ranges
| Source | Capacitor replacement | Average |
|---|---|---|
| Bob Vila, June 2022 | $60 to $300 | $170 |
| Fixr, January 2026 | $100 to $400 | not stated |
Fixr sits $40 higher at the bottom and $100 higher at the top, our subtraction, three and a half years later. Bob Vila's guide is the oldest source we use anywhere in this section, and we would lean on the Fixr band for a quote today.
What you are actually paying for
Bob Vila gives the part price, and it changes how the rest of the page reads:
| What | Cost |
|---|---|
| The capacitor itself, average | $9 to $45 |
| A single-stage run capacitor | $8 to $30 |
| The job, average | $170 |
Our arithmetic, marked as ours. At the midpoint of the part range, about $27, the component is roughly 16% of the $170 average. The other 84% is the call-out, the diagnosis and the labor, for work Bob Vila says can be done in as little as 30 minutes in ideal conditions.
That is not a mark-up scandal, and we are not presenting it as one. Fixr's minimum service fee is $75 before anyone touches the unit, which on its own is more than twice the part. Our reading: the honest way to think about this repair is that you are buying a diagnosis and a visit, and the capacitor comes free with it.
It also tells you what DIY saves and what it risks. Bob Vila notes that doing it yourself eliminates the labor cost. A charged capacitor holds a dangerous voltage after the power is off, which is the reason most people should not, and we are not going to pretend the saving is the only consideration.
The capacitor is the cheap part that looks like an expensive one
This is why the page matters more than the price suggests. Put it next to the rest of Fixr's replacement-parts table:
| Part | Fixr, January 2026 |
|---|---|
| Capacitor | $100 to $400 |
| Blower motor | $300 to $2,000 |
| Evaporator coil | $400 to $2,700 |
| Condenser coil | $600 to $2,400 |
| Compressor | $600 to $3,000 |
A failing capacitor produces symptoms that look like the rows below it: a unit that hums but will not start, a fan that will not turn, a system that trips out. Our blower motor page makes the same point from the other side, and our AC compressor page is where the money actually is.
Our reading, marked as ours: this is the one part where asking "was the capacitor tested?" before authorising anything expensive is worth real money, and it costs you nothing to ask.
Why waiting is the expensive choice
Bob Vila is direct about what a dead capacitor does to the rest of the unit: motors begin to burn out, the unit becomes less efficient, and eventually it stops producing cool air. The page prices what comes next:
| What a delayed capacitor can lead to | Bob Vila's figure |
|---|---|
| Compressor repair | as much as $250 |
| Thermostat replacement | as much as $250 |
| Gas leak repair | as much as $1,500 |
| Compressor replacement | as much as $2,800 |
Our arithmetic. A $170 repair against a $2,800 one is a ratio of about sixteen to one. Of all the figures in this section, this is the clearest case where the cheap fix now is not a preference but arithmetic. Our AC repair page has the general rule for when repairs stop being worth it; this repair is comfortably on the right side of it at any system age.
The types, and why the quote varies
| Type | What it does |
|---|---|
| Run capacitor, single-stage | Two terminals, powers one motor, $8 to $30 |
| Dual-run capacitor | Three terminals, powers two motors, larger and dearer |
| Start capacitor | Stores energy to get the cycle going, then switches off |
| Blower capacitor | Serves the furnace blower, which also moves your cool air |
| Heat pump capacitor | Combines the functions, for a unit that heats and cools |
Bob Vila prices only the single-stage run capacitor directly, and says the larger ones carry a larger price tag without giving a figure. Our note: that is a gap in the source, not something we are going to fill with an estimate.
The blower capacitor row is worth a second look. It sits in the same air handler that serves your heating, which is the shared-blower point our blower motor page sets out: one failed capacitor can take out the cooling in July and the heating in January.
Things that move the price
- Unit size and brand. Larger units take larger capacitors, and Bob Vila notes parts for some makes are harder to obtain.
- Where you live. Contractors in cities charge more, which both guides say.
- The season. Bob Vila notes that summer is peak demand and attracts premium pricing. The same was true of the compressor advice on our AC compressor page.
- Warranty. Because the part is cheap, Bob Vila points out that a part warranty saves very little. What matters is whether a newer unit's manufacturer warranty or a home warranty covers the labor.
Before you authorise the work
- Ask what the service call costs and whether it comes off the repair. On a job this small it is most of the bill.
- Ask which capacitor failed. Run, start, dual-run or blower, they are different parts in different places.
- Ask for the part number and price separately. At $9 to $45 you will know immediately what you are paying for labor.
- If you are quoted a motor or a compressor, ask whether the capacitor was tested first. It is the cheapest thing on the list and the most common cause of the symptoms.
- Do not wait for the weekend. On Bob Vila's own figures, the failures a dead capacitor causes run up to $2,800.
Sources
- Bob Vila, How Much Does an AC Capacitor Cost to Replace?, updated June 29, 2022 (the $60 to $300 range, the $170 average, the part cost, capacitor types, the note that labor is the bulk of the bill, and the costs of the failures a dead capacitor can cause)
- Fixr, AC Repair Cost, updated January 29, 2026 (capacitor replacement at $100 to $400 in the replacement-parts table, the service-call minimum, and the surrounding component prices)
Price figures are national US ranges from the sources above as of the date shown. Your local price depends on labor rates, permits and site conditions. Read how we get our numbers.