12 HVAC Repair Contractors in Dedham, MA

4.0 avg rating
4,966 total reviews3 offer 24/7 service
Need emergency service? 5 HVAC providers in Dedham offer 24/7 availability

Top-Rated HVAC Repair Contractors in Dedham

#1

MacFarlane Energy

4.9(4,676 reviews)
Highly Rated

All five featured reviews award five stars, with customers naming specific technicians (George, Paul Carr, Frank, Daniel Morton) and describing scenarios…

95 Bridge St, Dedham, MA 02026
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#2

Pro Heating & Cooling

5.0(74 reviews)

Every reviewer awarding 5 stars specifically names Sean or mentions the install crew, with multiple customers highlightingfair pricing relative to competing…

10 Sanderson Ave, Dedham, MA 02026
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#3

Full Spectrum HVAC Service

4.8(84 reviews)
24/7

All three featured reviewers award 5 stars, with each naming specific technicians (Mason, Gregory, Chase) who handled their jobs. Two reviewers mention…

412 Washington St, Dedham, MA 02026
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All HVAC Repair Contractors (12 total)

Boston Ductless Systems

4.9(41)

Reviewers consistently praise the contractor for honest recommendations that avoid upselling, with one client…

12 Corbett Ave, Dedham, MA 02026
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Gassco Inc

4.7(43)

Forty-three reviews aggregate to a 4.7-star rating, with three customers awarding five stars and specifically…

23 River St, Dedham, MA 02026
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Air Purchases

4.7(16)

Five client reviews award perfect scores, praising knowledge, fast part sourcing, and helpful staff.…

85 Commerce Way, Dedham, MA 02026
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Hellas Plumbing & Heating

5.0(11)

Eight of eleven reviewers award five stars, with multiple clients emphasizing same-day or after-hours…

95 Lincoln St, Dedham, MA 02026
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Boston Boiler & Furnace

4.7(12)

All six detailed reviews award five stars, with customers consistently praising same-day response times, fair…

24 Riverdale Rd, Dedham, MA 02026
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Jomar Distributors Inc

4.6(5)

Two customer reviews provide insight: a five-star reviewer found the team extremely helpful, while a…

125 Commerce Way, Dedham, MA 02026
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Blue Heating and Ac Dedham

5.0(4)

All four reviewers awarded perfect five-star ratings, with three specifically naming technicians (Nate) and…

26 Bryant St, Dedham, MA 02026
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Dedham Heating and Air

0.0
24/7
347 Washington St #366, Dedham, MA 02026
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Boston Environmental

0.0
24/7
22 Lakeside Ave, Dedham, MA 02026
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HVAC Repair Costs in Dedham

Typical heating and cooling repair costs in Dedham, by component.

ServiceLowAverageHigh
Diagnostic / service call
$83$132$220
Thermostat replacement
$165$303$550
Blower motor replacement
$440$715$1,210
Heat exchanger replacement
$1,650$2,420$3,850
Ignitor replacement (gas furnace)
$165$275$440
Control board replacement
$330$605$990
Full system repair (major)
Multi-component failure
$550$1,320$3,300

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

HVAC Repair in Dedham, MA: What to Expect

Dedham experiences temperature swings that make reliable heating essential and cooling unavoidable. Boston-area winters dip to 22 degrees while summer highs reach 82 with that sticky humidity pushing AC units hard. With ten contractors serving the area and an average rating around 4.4 from nearly five thousand reviews, finding dependable hvac repair Dedham means connecting with someone whose work holds up through frozen months and muggy summer peaks.

Massachusetts requires every legitimate HVAC contractor to carry both a Refrigeration Technician License and either a Sheet Metal or Pipefitter journeyman or master license from the state Division of Professional Licensure, which adds baseline costs to any homeowner's invoice. In Dedham, a diagnostic service call typically runs $83 to $220, a thermostat replacement falls between $165 and $550, and a blower motor replacement costs anywhere from $440 up to $1,210 depending on system specifications and labor complexity. These numbers reflect the specific parts, permits, and expertiseMassachusetts mandates before any technician legally touches refrigerant lines or gas connections in your home.

Customer feedback from the area reveals strong patterns where technicians earn loyalty through visible, named craftsmanship. MacFarlane Energy draws consistent praise across all seven five-star reviews, with customers specifically mentioning Darren Coleman, Paul Carr, and George Fernandez as the people who solved their problems. Pro Heating & Cooling maintains perfect scores from every reviewer, with Sean and the installation crew frequently cited alongside comments about fair pricing compared to competingquotes. Homeowners in Dedham clearly value knowing exactly who's entering their basements and attics.

Frequently Asked Questions

HVAC repairs in Dedham range from $83-$3,850 depending on the component. Thermostat replacement runs $150-$500, blower motor $400-$1,100, ignitor $150-$400, and heat exchanger replacement $1,500-$3,500. Diagnostic fees of $75-$200 are typically credited toward the repair if you proceed.