7 AC Repair Contractors in Dorchester, MA

3.7 avg rating
309 total reviews3 offer 24/7 service
Need emergency service? 3 HVAC providers in Dorchester offer 24/7 availability

Top-Rated AC Repair Contractors in Dorchester

#1

Service Right, LLC

4.9(123 reviews)
24/7 Highly Rated

The company displays two 5-star reviews on their website, with both customers praising honest diagnostics and fair pricing. One reviewer specifically credits a…

255 Normandy St, Dorchester, MA 02121
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#2

Gomes Plumbing Heating & Cooling

4.8(34 reviews)

Five of six reviewers awarded 5-star ratings, with all positive reviews praising the technician's same-day responsiveness, diagnostic clarity, and fair…

63 Hecla St, Dorchester, MA 02122
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#3

A Hohmann & Co Inc

3.5(77 reviews)

Of 77 reviews, three negative accounts cite communication breakdowns between initial diagnosis and follow-up visits, with reviewers noting fees charged for…

1146 Dorchester Ave, Dorchester, MA 02125
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All AC Repair Contractors (7 total)

Affordable Drain Flow - 24 hour emergency service

3.5(49)
24/7

Of 49 reviews, positive feedback frequently mentions technician Julio by name for professionalism and…

18 Algonquin St, Dorchester, MA 02122
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Stealth Control Systems

5.0(10)
24/7

All 10 reviews award 5 stars, with tankless system upgrades, Gree heat pump installations, and same-day…

69 Tenean St, Dorchester, MA 02122

R T Ford Plumbing & Co

4.6(10)

Six of ten reviewers award 5 stars, with recurring praise for on-time arrival, first-visit problem…

14 Minot St, Dorchester, MA 02122
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John's Plumbing & Heating

3.5(6)

Two of six reviews cite rude or dismissive interactions during price discussions, while two others praise the…

20 Woodworth St, Dorchester, MA 02122
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Danny Nguyen HVAC

0.0
3 Rill St, Dorchester, MA 02125

AC Repair Costs in Dorchester

Typical repair costs for Dorchester homeowners, by problem type.

ServiceLowAverageHigh
Diagnostic / service call
Usually credited toward repair
$83$132$220
Refrigerant recharge (R-410A)
$165$385$770
Capacitor replacement
$132$275$495
Fan motor replacement
$275$495$770
Compressor replacement
$880$1,980$3,080
Evaporator coil repair
$440$990$1,650
Labor (hourly rate)
Per hour during business hours
$83$121$165

Prices reflect continental metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.

AC Repair in Dorchester, MA: What to Expect

Dorchester experiences Boston's climate extremes, with winter temperatures dropping to 22 F and summer heat climbing to 82 F in humid conditions. While heating dominates the seasonal workload, the warm summers create meaningful demand for cooling systems, making AC Repair in Dorchester a practical necessity for homeowners. The area is served by eight contractors holding an average rating of 3.9 based on over 6,300 customer reviews, with three companies offering around-the-clock service.

Massachusetts requires HVAC contractors to hold both a Refrigeration Technician License and a Sheet Metal or Pipefitter journeyman license from the state Division of Professional Licensure, creating a highly regulated market. Cost transparency reflects this rigor: a diagnostic service call runs $83 to $220, while a refrigerant recharge using R-410A ranges from $165 to $770, and capacitor replacement costs between $132 and $495. These figures represent what homeowners can expect when investing in reliable cooling equipment.

Customer feedback reveals distinct service patterns. Service Right, LLC earns praise for honest diagnostics and fair pricing, with technician Jolly specifically mentioned for straightforward advice. Gomes Plumbing Heating & Cooling receives consistent commendation for same-day responsiveness and clear explanations, reflected in a 4.8 rating. In contrast, A Hohmann & Co Inc, holding a 3.5 rating from 77 reviews, draws criticism for communication gaps between initial diagnosis and follow-up visits, with some customers noting charges for work left unfinished.

Frequently Asked Questions

AC repair in Dorchester typically costs $83-$3,080 depending on the problem. Diagnostic calls run around $75-$200, refrigerant recharges $150-$700, capacitor replacement $120-$450, and compressor replacement $800-$2,800. Most contractors apply the diagnostic fee toward the final repair cost if you proceed.