You already know your AC is not working. What you want to know before calling anyone is roughly what this is going to cost. That is a completely reasonable thing to want, and one that most HVAC company websites deliberately avoid answering.

This guide gives you real 2026 price ranges for AC repair in Quincy MA. Not ranges so wide they are useless. Specific figures based on what repairs actually cost in this market, for the system types most common in Quincy homes.

What You Pay Before Anyone Touches Your System: The Diagnostic Fee

Every professional AC repair starts with a diagnostic visit. A licensed technician comes to your home, runs a full inspection of the system, and identifies the problem. Then they give you a written estimate before any work begins.

The flat diagnostic fee in Quincy runs $85 to $125 depending on the system type and company. This fee is charged regardless of whether you approve the repair. If you approve the repair, most companies apply the diagnostic fee toward your total.

After-hours and weekend emergency calls carry a higher fee, $145 to $175, which covers the premium for nights, weekends, and holiday response. This should be disclosed when you call, not when the technician arrives at your door.

AC Repair Cost by Problem Type: Quincy MA 2026

Capacitor Replacement: Most Common Repair

Typical cost: $150 to $250

The run capacitor is the component that starts and sustains the compressor motor on every cycle. Capacitors wear out over time. Heat stress accelerates failure, which is why many capacitor failures happen in July and August during peak demand.

This is one of the most common AC repair calls in Quincy. Replacement usually takes under an hour. Parts cost $20 to $60. Labor and the service call make up the rest of the total.

Contactor Replacement

Typical cost: $125 to $200

The contactor is the electrical switch that sends power to the compressor and outdoor fan when the thermostat calls for cooling. Contactors develop pitting on the contact surfaces from repeated arcing and eventually fail to make reliable electrical contact.

Refrigerant Recharge

Typical cost: $200 to $450

R-410A refrigerant runs approximately $75 to $120 per pound at current market rates. Most residential AC systems need one to three pounds when recharging from a partially depleted state.

The recharge cost includes the diagnostic to confirm the charge level is actually low, pressure testing before adding refrigerant, and the recharge itself.

Important: if your system is low on refrigerant, there is a leak somewhere. Simply recharging without finding and fixing the leak means the charge will drop again. Leak repair adds to the total cost but is the correct approach.

Refrigerant Leak Repair

Typical cost: $200 to $600 plus recharge

Cost varies based on where the leak is. A leaking flare fitting, common in coastal neighborhoods where salt air affects line set connections, is on the lower end. A leaking evaporator coil is on the higher end and may change the repair versus replacement decision depending on system age.

Condenser Coil Cleaning

Typical cost: $85 to $250

Professional coil cleaning removes dirt, debris, and salt deposits from the outdoor condenser fins. For Quincy homes in Wollaston, Marina Bay, Squantum, and Adams Shore, salt accumulation from Quincy Bay can reduce efficiency.

Standard cleaning runs $85 to $175. Heavy salt fouling requiring deeper treatment runs $150 to $250.

For ongoing system care, see our AC Maintenance Quincy MA .

Condensate Drain Clearing

Typical cost: $85 to $150

The condensate drain removes moisture the AC pulls from your indoor air. Quincy’s coastal humidity means systems can produce significant condensate during summer, and clogged drains are a common service issue.

Clearing usually takes 20 to 30 minutes. Left unaddressed, a blocked drain can cause water damage to walls and ceilings.

Fan Motor Replacement

Typical cost: $300 to $500

The outdoor condenser fan motor draws heat away from the coil. A failing bearing can produce a grinding noise before complete failure. Motor replacement is a medium-cost repair that can be worthwhile on systems under 12 years old.

Evaporator Coil Replacement

Typical cost: $700 to $1,400

The evaporator coil is the indoor component that absorbs heat from your air. Coil replacement is significant. It requires recovering and recharging refrigerant, removing and replacing the coil, and retesting.

At this cost level on a system over 10 years old, the repair versus replacement calculation becomes important.

Compressor Replacement

Typical cost: $1,200 to $2,200

The compressor is the heart of the system. Compressor replacement is the most expensive single repair on a residential AC unit.

At this cost, the $5,000 rule can help. Multiply the repair cost by the system age in years. If the result exceeds $5,000, replacement may make more financial sense.

According to ENERGY STAR , a new qualifying heat pump system may also open access to available energy incentives.

For Quincy homeowners considering a heat pump upgrade, see our Heat Pump Installation Quincy MA and Mass Save Rebates Guide .

Full AC Repair Cost Reference Table

What Affects AC Repair Cost in Quincy Specifically

System type: Mini split repair differs from central AC repair. Certain mini split brands require brand-specific parts that cost more than generic components.

If your home uses a ductless system, you can learn more about our Ductless Mini Split Quincy MA .

System age: Older systems using discontinued refrigerant types can cost more to service. If your system uses R-22 refrigerant, refrigerant costs can be significantly higher than newer systems.

Coastal location: Salt air can affect condenser coils and electrical connections. Units in Squantum, Wollaston, and Houghs Neck may need more frequent attention than units farther inland.

Time of call: Emergency calls during nights and weekends can cost more than standard business-hour calls. The repair itself may cost the same, while the service premium covers after-hours response.

If your AC stops working outside normal hours, see our Emergency AC Repair Quincy MA .

Bottom Line

AC repair in Quincy MA costs $85 to $125 for a diagnostic visit, $150 to $250 for many common repairs, and up to $2,200 for a compressor replacement. Most repairs fall in the $150 to $450 range.

If your repair estimate approaches or exceeds $1,000 on a system over 10 years old, ask for a replacement quote alongside the repair estimate.

For AC Repair Quincy MA with a flat-fee diagnostic and written estimate before work starts, call (617) 928-8469 .

Frequently Asked Questions