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How much does AC capacitor replacement cost in Massachusetts?
Updated September 2026 · Massachusetts price index 1.21 for HVAC work (national = 1.00)
In Massachusetts, an HVAC company typically charges $95 to $480 to replace an AC run or start capacitor, with most jobs landing near $300. That is about 21% above the national average of $80–$400, based on what HVAC technicians earn in Massachusetts.
AI-powered second opinion using these same Massachusetts figures. No account, no card. Need someone to do the work? Verified pros in Massachusetts took the Fair Price Pledge.
What a Massachusetts quote means
| Quote for this job | What it means |
|---|---|
| Under $57 | Suspiciously low — ask what is excluded, and check licensing and insurance |
| $57 – $528 | Fair price — inside the typical range (up to 10% over the top is still normal) |
| $528 – $840 | Running high — get the quote itemized, and get a second one |
| Over $840 | Ripoff territory — more than 1.75× the high end of the typical range |
Same rules the QuoteJury checker uses on every quote.
What you're paying for
What is usually included: Diagnosis, a new dual-run capacitor ($10–$50 in parts), installation and testing, typically inside a one-hour service visit.
What moves the price:
- Trip or diagnostic fee, which is often most of the bill
- Hard-start kit add-ons for a struggling compressor
- After-hours or peak-summer emergency rates
- A failed capacitor can hide a failing compressor or fan motor; a good tech checks both
Labor and diagnostic/trip fee dominate since the part is under $50; dual-run vs single, after-hours/emergency calls, and whether a flat-rate pricebook is used push it toward the top.
AC capacitor replacement cost across Massachusetts
Typical range by metro and rural area, from BLS wage data for HVAC technicians in each area.
| Area | Typical range | Most jobs |
|---|---|---|
| Amherst Town-Northampton, MA | $90 – $460 | $290 |
| Barnstable Town, MA | $90 – $450 | $280 |
| Boston-Cambridge-Newton, MA-NH | $100 – $490 | $310 |
| Pittsfield, MA | $80 – $410 | $260 |
| Springfield, MA | $90 – $460 | $290 |
| Worcester, MA | $90 – $460 | $290 |
| Massachusetts nonmetropolitan area | $90 – $460 | $290 |
Frequently asked
Is $300 a fair price for AC capacitor replacement in Massachusetts?
Yes. $300 is right around what most homeowners in Massachusetts pay. Anything from $57 to $528 is inside the normal range for an HVAC company; above $528 it is worth getting a second quote.
Why do quotes for the same job vary so much?
Trip or diagnostic fee, which is often most of the bill. Hard-start kit add-ons for a struggling compressor. Company overhead matters too: a large company with trucks, dispatchers and a warranty department charges more than a one-person shop, and both can be honest prices.
When should I get a second quote?
Any time a quote lands above $528, or when the contractor cannot break it into parts, labor and fees. Ask for the itemized version, ask what would change the price, and confirm licensing and insurance. You can also paste the quote into the free QuoteJury checker for an instant second opinion.
Other HVAC jobs in Massachusetts
- AC contactor replacement
- Condenser fan motor replacement
- Furnace or air handler blower motor replacement
- AC refrigerant recharge (R-410A)
- Evaporator coil replacement
- AC compressor replacement
- AC condenser (outdoor unit) replacement
- Full central AC system replacement (~3 tons)
- Gas furnace replacement
- Furnace ignitor or flame sensor replacement
- Smart thermostat installation
- Single-zone ductless mini-split installation
- HVAC service call and diagnostic fee
AC capacitor replacement in other states
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Sources
- HomeGuide (2025): $250–$400 nationally
- Angi (2026): $200–$400 nationally
- Forbes Home (2024): $80–$400 nationally
- HomeAdvisor (2026): $200–$400 nationally
- Fixr (2026): $100–$400 nationally
- U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025 — median hourly wages by state and metro area
About these numbers. Ranges are typical market rates for a licensed, insured contractor, blended from published U.S. cost guides and adjusted with U.S. Bureau of Labor Statistics wage data (OEWS, May 2025) for each state and metro area. They are estimates, not a bid, appraisal or inspection. Real prices move with parts, access, permits and code requirements. The quote checker is AI-powered and labeled as such.