19 AC Repair Contractors in Medford, MA

3.6 avg rating
377 total reviews2 offer 24/7 service
Need emergency service? 3 HVAC providers in Medford offer 24/7 availability

Top-Rated AC Repair Contractors in Medford

#1

In A Flash Heating and Plumbing

5.0(88 reviews)

All twelve visible reviewers awarded 5 stars, with eleven specifically naming Ronnie or Ryan and praising their steam system expertise and quick problem…

26 Sprague Ct, Medford, MA 02155
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#2

Waterworks Mechanical Inc.

5.0(67 reviews)

All 67 reviews carry 5-star ratings, with at least four clients specifically mentioning technician Peter by name. Common threads include rapid response times…

20 Sycamore Ave Suite 4006, Medford, MA 02155
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#3

Big Blue Plumbing & Heating

4.8(53 reviews)

Randy earns repeated praise for shower repairs and water heater installations, appearing in three positive reviews. Kevin and Linda each receive individual…

199 Middlesex Ave, Medford, MA 02155
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All AC Repair Contractors (19 total)

ALDO'S HVAC LLC

4.5(68)

Of 4 detailed reviews analyzed, 2 positive reviews highlight the team's communication and professionalism…

101 Hicks Ave Unit B, Medford, MA 02155
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A's 8 Hvac Mechanical Service

4.7(14)

Four reviewers specifically mention receiving rapid response times, including arrival within the same day…

38 Cummings St, Medford, MA 02155
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J J Donovan Sons Inc

3.9(21)

Six of eight visible reviewers awarded five-star ratings, with several describing same-day or emergency…

35 Swan St, Medford, MA 02155
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Lexingtons Garage Do'or Electric & AC Repairs

5.0(8)

Eight reviewers collectively award a perfect 5-star rating, with consistent praise for first-visit…

59 High St, Medford, MA 02155
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AICA Plumbing/HVAC Systems

3.9(14)

Three of four detailed reviews award five stars, praising honesty, transparency, and prompt same-day…

583 Riverside Ave, Medford, MA 02155
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White's Plumbing & Heating

3.8(12)

Eight of 12 reviews give 4 or 5 stars, praising the team's transparency, family-owned character, and same-day…

687 Fellsway W, Medford, MA 02155
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Chill Zone HVAC

5.0(6)
24/7

All six published reviews carry five-star ratings, representing unanimous satisfaction among clients who have…

Metcalf St, Medford, MA 02155
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Ranco Enterprises Inc

3.3(15)

Three negative reviews (20% of total) describe billing disputes and inadequate troubleshooting, with one…

100 Hicks Ave, Medford, MA 02155
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Dan's Service

4.7(3)

Two of three reviews awarded perfect ratings, with the lone four-star review citing site navigation…

17 Prescott St, Medford, MA 02155
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Top Solutions Cooling & Heating

4.0(4)

Three of four reviewers give five-star ratings, praising technician communication and flexible scheduling.…

200 Rivers Edge Dr #220, Medford, MA 02155
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Medford Wellington Service Co.

5.0(2)
24/7

Both client reviews award five stars, indicating consistent satisfaction with completed work. No negative…

17 Locust St, Medford, MA 02155
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Waterair Supply

5.0(2)

Both reviewed clients awarded 5 stars, indicating consistent satisfaction with service delivery and outcomes.

15 Winchester St, Medford, MA 02155
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Truman Refrigeration

0.0
41 Circuit Rd, Medford, MA 02155
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InLine Mechanical LLC HVAC

0.0
101 Mystic Ave, Medford, MA 02155
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A C Mechanical Inc

0.0

No customer reviews were available for this listing, preventing analysis of service quality, technician…

407 Mystic Ave STE 32D, Medford, MA 02155
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Astro Electric & AC Repairs

0.0
59 High St, Medford, MA 02155

AC Repair Costs in Medford

Typical repair costs for Medford 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 Medford, MA: What to Expect

Medford's climate creates real challenges for home comfort systems. Boston winters drop to 22 degrees with heavy snow, making heating essential through the cold months. But humid 82-degree summers push air conditioning demand significantly, and that swing between seasons tests equipment hard. Nineteen licensed contractors serve this market, maintaining an average rating of 3.6 across 377 customer reviews. Homeowners searching for AC repair in Medford will encounter a competitive landscape where seasoned technicians manage the intersection of heating dominance and summer cooling loads.

Massachusetts requires HVAC contractors to hold dual credentials: a Refrigeration Technician License paired with either a Sheet Metal or Pipefitter journeyman or master license from the state Division of Professional Licensure. That qualification standard influences what customers pay for service. A diagnostic visit runs $83 to $220, while refrigerant recharges using R-410A range from $165 to $770. Capacitor replacement carries a price tag between $132 and $495, with final costs dependent on system specifications and the particular repairs required.

Customer feedback points toward specific strengths among top performers. The technicians Ronnie and Ryan at In A Flash Heating and Plumbing earn repeated recognition for steam system expertise and fast problem resolution. At Waterworks Mechanical Inc., Peter receives mentions for thorough diagnostics and response times under 90 minutes. Randy at Big Blue Plumbing & Heating draws praise for water heater work, while Kevin handles phone inquiries with clear communication. Across these three companies, five-star ratings dominate the visible reviews, reflecting strong technical execution and in this regulated market.

Frequently Asked Questions

AC repair in Medford 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.