24 AC Repair Contractors in Waltham, MA
Top-Rated AC Repair Contractors in Waltham
Genove Oil & Air, Inc.
“Long-term customer loyalty dominates, with three reviewers citing 20+ year relationships and one reaching 40 years. Same-day and emergency service appears…”
KEN's HVAC SERVICE
“All five reviewers award five stars and name either Ken or George by name, with specific praise for diagnostic accuracy and fair pricing. Four reviewers…”
All AC Repair Contractors (24 total)
J.W. Langton Plumbing & Heating L.L.C
“Forty-nine reviewers have awarded J.W. Langton Plumbing & Heating a 4.9-star average, with the single…”
Kensington Mechanical Inc
“Thirty-eight reviews produce a 4.9-star average with universal five-star ratings represented in the sampled…”
Valiant Oil Co Inc
“All six detailed reviews award 5 stars, with five explicitly naming Rich as the technician delivering the…”
Clark Plumbing & Heating Solutions
“Five of five detailed reviews award 5 stars, with each naming Bill as the technician who handled their…”
LeBlanc Mechanical
“Two of three detailed reviews describe positive outcomes for complex dual-system repairs, with one customer…”
JF HVAC Services
“All four reviews award five stars, with recurring praise for budget accommodation, timely arrival, and fair…”
Taylor & Murphy Inc.
“Three of four detailed reviews award five stars, praising knowledgeable staff, competitive pricing, and…”
P. R. Douglas Co., Inc
“Eight verified reviews unanimously award five stars, with four specifically mentioning same-day or hour-based…”
Masonry in Waltham, MA
“All six reviewers award five stars, with three explicitly naming team members (Oscar, Jason) and praising…”
A E Carter Plumbing & Heating
“Three of five detailed reviewers specifically mention Andrew by name and praise his technical skill and…”
Homestead Plumbing & Heating Inc.
“Six of seven reviewers awarded five-star ratings, with consistent mentions of same-day emergency response,…”
Scott Robillard Plumbing & Heating
“Five of 8 reviewers specifically mention same-day or next-day service arrival, with two praising the…”
Votano Dean
“5 of 6 reviewers award 5 stars, with specific praise for Dean and Manny's plumbing work including drain line…”
HVAC Services: Heating & Air Conditioning
“All five reviewers awarded five-star ratings, indicating unanimous satisfaction with completed work.…”
Hickey's Plumbing & Heating
“Four of five reviewers awarded five stars, with praise focusing on same-day response, predictable pricing,…”
Formal Oil Co
“All three published reviews award 5 stars, with one reviewer specifically highlighting fast oil refills and…”
TG Gallagher
“Three of seven published reviews award five stars, with customers specifically praising team demeanor and…”
Burns Mechanical Corp.
“Of 4 written reviews, 2 award 5 stars citing quick response times and accurate diagnoses. One 1-star review…”
Alaskan Mechanical (HVAC)
“One of two reviews awards five stars, with the reviewer praising the technician as 'The smart hvac guy'…”
AC Repair Costs in Waltham
Typical repair costs for Waltham homeowners, by problem type.
| Service | Low | Average | High |
|---|---|---|---|
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 Waltham, MA: What to Expect
Waltham experiences temperature extremes with winter lows around 22 F and summer highs reaching 82 F, driving significant heating and cooling demands throughout the year. The city sits within Greater Boston's regulated HVAC market, where contractors must meet stringent state licensing requirements. Homeowners seeking AC Repair in Waltham can choose from eleven local service providers holding an average rating of 4.1 across more than five hundred client reviews, with five companies offering around-the-clock emergency support.
Homeowners should budget accordingly when AC systems fail, since diagnostic service calls range from $83 to $220 while refrigerant recharges using R-410A typically cost between $$165 and $770, with capacitor replacements adding $132 to $495 to final bills. These prices reflect the specialized expertise required under Massachusetts regulations, where technicians must hold both a Refrigeration Technician License and a Sheet Metal or Pipefitter journeyman credential from the state Division of Professional Licensure before servicing residential equipment.
Customer feedback reveals patterns worth noting. Genove Oil & Air, Inc. draws repeat business from clients who describe relationships spanning twenty to forty years, along with same-day responses during emergencies. Ken's HVAC Service earns all five-star ratings, with reviewers specifically calling out Ken and George for accurate diagnostics and honest estimates. PerfectTemp HVAC Service maintains a strong collection of positive reviews mentioning technicians Brandon and William, noting their careful protection of homeowners' property during repairs.
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Other HVAC Services in Waltham, MA
All HVAC Contractors in Waltham, MA
Complete directory of 47 contractors — browse alphabetically
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All HVAC Contractors in Waltham, MA
Complete directory of 47 contractors — browse alphabetically