18 HVAC Service Contractors in Waltham, MA

4.2 avg rating
920 total reviews8 offer 24/7 service
Need emergency service? 8 HVAC providers in Waltham offer 24/7 availability

Top-Rated HVAC Service Contractors in Waltham

#1

Colt Home Services

5.0(323 reviews)
24/7 Highly Rated

All six sampled reviewers award five stars, with three specifically praising technician Joe for his thorough assessment process and two highlighting Jacky for…

99 Felton St, Waltham, MA 02453
Call
#2

Genove Oil & Air, Inc.

4.8(168 reviews)
Highly Rated

Long-term customer loyalty dominates, with three reviewers citing 20+ year relationships and one reaching 40 years. Same-day and emergency service appears…

53 Williams St, Waltham, MA 02453
Call
#3

KEN's HVAC SERVICE

5.0(108 reviews)
24/7 Highly Rated

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…

28 College Farm Rd, Waltham, MA 02451
Call

All HVAC Service Contractors (18 total)

PerfectTemp HVAC Service

4.8(106)
24/7 Highly Rated

All 101 reviews are positive, with 3 customers awarding 5-star ratings and specifically naming technicians…

90b River St, Waltham, MA 02453
Call

Kensington Mechanical Inc

4.9(38)
24/7

Thirty-eight reviews produce a 4.9-star average with universal five-star ratings represented in the sampled…

11 Green St, Waltham, MA 02451
Call

Syntegra

4.4(26)
24/7

Five of six detailed reviews award five stars, citing specific technicians by name for exceptional service.…

116 Robbins St, Waltham, MA 02453
Call

LeBlanc Mechanical

4.1(31)

Two of three detailed reviews describe positive outcomes for complex dual-system repairs, with one customer…

1250 Main St, Waltham, MA 02451
Call

Johnstone Supply

4.9(15)

All eight sampled reviewers award five-star ratings, with three explicitly naming staff members (Denys Vu,…

303 Bear Hill Rd, Waltham, MA 02451
Call

Taylor & Murphy Inc.

3.3(46)

Three of four detailed reviews award five stars, praising knowledgeable staff, competitive pricing, and…

188 Lexington St, Waltham, MA 02452
Call

P. R. Douglas Co., Inc

4.8(12)

Eight verified reviews unanimously award five stars, with four specifically mentioning same-day or hour-based…

29 Calvary St, Waltham, MA 02453
Call

Cannistraro

3.8(17)
24/7

Four of six reviewers assigned 1-star ratings, citingreckless drivers, rudeness, financial mismanagement, and…

201 Jones Rd, Waltham, MA 02451
Call

HVAC Services: Heating & Air Conditioning

5.0(5)

All five reviewers awarded five-star ratings, indicating unanimous satisfaction with completed work.…

130 Market Pl Dr, Waltham, MA 02451
Call

JF HVAC Services

5.0(5)
24/7

All four reviews award five stars, with recurring praise for budget accommodation, timely arrival, and fair…

308 Moody St, Waltham, MA 02453
Call

EH Electric & HVAC

3.6(10)

Four of ten reviewers highlight rapid response or same-day emergency availability, while three of four…

980 Main St #1, Waltham, MA 02451
Call

Home Services at The Home Depot

4.8(4)

Three reviewers award perfect 5-star ratings, praising efficiency and communication. Ayse Barkus specifically…

100 1st Ave, Waltham, MA 02451
Call

Burns Mechanical Corp.

4.0(4)

Of 4 written reviews, 2 award 5 stars citing quick response times and accurate diagnoses. One 1-star review…

110 R Columbus Ave, Waltham, MA 02451
Call

Alaskan Mechanical (HVAC)

3.0(2)
24/7

One of two reviews awards five stars, with the reviewer praising the technician as 'The smart hvac guy'…

122 High St, Waltham, MA 02453
Call

Wells Emergency HVAC Repair Waltham

0.0
60 Prospect St, Waltham, MA 02453
Call

HVAC Service Costs in Waltham

General HVAC service pricing across maintenance, repair, and installation in Waltham.

ServiceLowAverageHigh
Service call / diagnostic
$81$130$216
Routine tune-up (single system)
$76$135$216
Standard repair (avg)
$162$648$1,296
Major repair (compressor, heat exchanger)
$1,620$2,700$3,780
New system installation (mid-range)
$7,020$11,340$15,120
Full HVAC replacement
AC + furnace combined
$12,517$14,504$15,228

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

HVAC Service in Waltham, MA: What to Expect

Waltham sits within the greater Boston metro area, where winter temperatures regularly dip below freezing and summer humidity pushes heat indexes past eighty degrees. This climate pattern creates year-round demands on home heating and cooling systems, with winter heating typically dominating seasonal workload while humid summers drive significant cooling loads. The city hosts eighteen HVAC contractors serving residential and commercial clients, collectively earning an average rating of 4.2 stars across over nine hundred verified reviews, with eight of those contractors offering around-the-clock emergency availability.

Homeowners scheduling standard service calls should expect diagnostic fees ranging from $81 to $216, while routine single-system tune-ups typically fall between $76 and $216 depending on system complexity. Massachusetts maintains rigorous licensing requirements for HVAC work, mandating that contractors hold both a Refrigeration Technician License and either a Sheet Metal or Pipefitter journeyman or master credential through the state Division of Professional Licensure before performing installation or repair work.

Colt Home Services draws consistent praise for technician Joe, who reviewers describe as methodical in assessing system conditions, while Jacky earns recognition for swift responsiveness during cold-weather calls. KEN's HVAC Service similarly fields repeated commendations for either Ken or George, with customers highlighting the team's diagnostic accuracy and fair pricing. Across multiple positive reviews, a common thread involves situations where these technicians identified solutions that resolved issues beyond initial expectations.

Frequently Asked Questions

HVAC service pricing in Waltham ranges from diagnostic calls around $75-$200 to full system replacements at $11,000-$14,000. Routine tune-ups run $70-$200, standard repairs average $150-$600, and major component replacements (compressor, heat exchanger) can reach $2,800-$3,500.