94/100CR Score
Ranked #1 because of its Google rating and availability: 4.9★ from 3,978 Google reviews, open 24/7.
- 4.9★ from 3,978 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1220 Liberty Square Rd, Boxborough, MA 01719
Best HVAC Contractors in Concord, MA (2026)
1,242 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Concord: Papalia Home Services, CR Score 94/100; 4.9★ from 3,978 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Central Cooling & Heating, posts 24/7 hours; ranked #2 of 1,242.
- 16
Most-reviewed: Sila Heating, Air Conditioning, Plumbing & Electrical, 4,377 Google reviews at 4.9★, the most of 1,242 ranked; ranked #16.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
1,242 Concord HVAC contractors are ranked here by CR Score, from 8 published factors. 382 are open 24/7, 690 open Saturdays and 512 open Sundays, based on posted hours. The median Google rating is 4.9★ across 1,242 rated businesses.
Top 10 HVAC contractors in Concord at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Papalia Home Services | 94 | 4.9★ (3,978) | Acton, 9 mi away | 24/7 | Overall |
| 2 | Central Cooling & Heating | 93 | 4.9★ (3,169) | Woburn, 11 mi away | 24/7 | Emergencies |
| 3 | 128 Plumbing, Heating, Cooling & Electric | 92 | 4.9★ (3,912) | Wakefield, 14 mi away | 24/7 | — |
| 4 | MillTown Plumbing, Heating, Cooling and Electrical | 92 | 4.8★ (2,927) | Chelmsford, 11 mi away | 24/7 | — |
| 5 | Winters Home Services | 92 | 4.8★ (2,862) | Watertown, 11 mi away | 24/7 | — |
| 6 | Akian Plumbing, Heating, Cooling & Electric | 91 | 4.8★ (1,625) | Watertown, 10 mi away | 24/7 | — |
| 7 | Heritage Home Service | 91 | 4.8★ (3,352) | Wilmington, 14 mi away | 24/7 | — |
| 8 | Mike Giasullo Oil Burner Service Inc. | 91 | 5.0★ (476) | Billerica, 10 mi away | 24/7 | — |
| 9 | 128 Plumbing, Heating, Cooling & Electric | 91 | 5.0★ (443) | Chelmsford, 10 mi away | 24/7 | — |
| 10 | All Star Plumbing, Heating and Air Conditioning | 90 | 5.0★ (97) | Andover, 2 mi away | 24/7 | — |
The 1,242 best HVAC contractors in Concord, ranked
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Woburn, 11 mi away
93/100CR ScoreRanked #2 because of its Google rating and availability: 4.9★ from 3,169 Google reviews, open 24/7.
- 4.9★ from 3,169 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 9 N Maple St, Woburn, MA 01801
Based in Wakefield, 14 mi away
92/100CR ScoreRanked #3 because of its Google rating and availability: 4.9★ from 3,912 Google reviews, open 24/7.
- 4.9★ from 3,912 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 78 Foundry St, Wakefield, MA 01880
Based in Chelmsford, 11 mi away
92/100CR ScoreRanked #4 because of its Google rating and availability: 4.8★ from 2,927 Google reviews, open 24/7.
- 4.8★ from 2,927 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 131 Stedman St #6, Chelmsford, MA 01824
Based in Watertown, 11 mi away
92/100CR ScoreRanked #5 because of its Google rating and availability: 4.8★ from 2,862 Google reviews, open 24/7.
- 4.8★ from 2,862 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 108 School St, Watertown, MA 02472
Based in Watertown, 10 mi away
91/100CR ScoreRanked #6 because of its Google rating and availability: 4.8★ from 1,625 Google reviews, open 24/7.
- 4.8★ from 1,625 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 586 Pleasant St #4, Watertown, MA 02472
Based in Wilmington, 14 mi away
91/100CR ScoreRanked #7 because of its Google rating and availability: 4.8★ from 3,352 Google reviews, open 24/7.
- 4.8★ from 3,352 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 323 Andover St STE 2, Wilmington, MA 01887
Based in Billerica, 10 mi away
91/100CR ScoreRanked #8 because of its Google rating and availability: 5.0★ from 476 Google reviews, open 24/7.
- 5.0★ from 476 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 98 Billerica Ave B, North Billerica, MA 01862
Based in Chelmsford, 10 mi away
91/100CR ScoreRanked #9 because of its Google rating and availability: 5.0★ from 443 Google reviews, open 24/7.
- 5.0★ from 443 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 80 Brick Kiln Rd, Chelmsford, MA 01824
Based in Andover, 2 mi away
90/100CR ScoreRanked #10 because of its Google rating and availability: 5.0★ from 97 Google reviews, open 24/7.
- 5.0★ from 97 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Holliston, 17 mi away
90/100CR ScoreRanked #11 because of its Google rating and availability: 4.8★ from 2,950 Google reviews, open 24/7.
- 4.8★ from 2,950 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 71 Whitney St, Holliston, MA 01746
Based in Billerica, 14 mi away
90/100CR ScoreRanked #12 because of its Google rating and availability: 4.8★ from 1,626 Google reviews, open 24/7.
- 4.8★ from 1,626 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 116 Pawtucket Blvd, Tyngsborough, MA 01879
Based in Newton, 9 mi away
90/100CR ScoreRanked #13 because of its Google rating and availability: 4.9★ from 389 Google reviews, open 24/7.
- 4.9★ from 389 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 237 Riverview Ave, Auburndale, MA 02466
Based in Framingham, 14 mi away
90/100CR ScoreRanked #14 because of its Google rating and availability: 4.8★ from 1,322 Google reviews, open 24/7.
- 4.8★ from 1,322 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 82 Herbert St, Framingham, MA 01702
Based in Concord
90/100CR ScoreRanked #15 because of its Google rating and availability: 4.9★ from 84 Google reviews, open 24/7.
- 4.9★ from 84 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 83 Middle St, Concord, MA 01742
Based in Stoneham, 12 mi away
90/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 4,377 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 4,377 Google reviews
- Hours
- Mon–Fri 7:30 AM–8 PM · Sat–Sun 8 AM–5 PM
- Address
- 12 Oakland Ave #4, Stoneham, MA 02180
Based in Acton, 4 mi away
90/100CR ScoreRanked #17 because of its Google rating and availability: 4.8★ from 223 Google reviews, open 24/7.
- 4.8★ from 223 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- Concord Rd, Acton, MA 01720
Based in Northborough, 16 mi away
90/100CR ScoreRanked #18 because of its Google rating and availability: 4.9★ from 1,017 Google reviews, open 24/7.
- 4.9★ from 1,017 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5 Goddard Rd, Northborough, MA 01532
Based in Wilmington, 11 mi away
89/100CR ScoreRanked #19 because of its Google rating and availability: 4.6★ from 2,076 Google reviews, open 24/7.
- 4.6★ from 2,076 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1 Jewel Dr Suite 324, Wilmington, MA 01887
Based in Fitchburg, 19 mi away
89/100CR ScoreRanked #20 because of its Google rating and availability: 4.9★ from 1,275 Google reviews, open 24/7.
- 4.9★ from 1,275 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 35 Lomar Park Dr, Pepperell, MA 01463
Based in Needham, 12 mi away
89/100CR ScoreRanked #21 because of its Google rating and availability: 5.0★ from 259 Google reviews, open 24/7.
- 5.0★ from 259 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 19 Kearney Rd, Needham, MA 02494
Based in Reading, 13 mi away
89/100CR ScoreRanked #22 because of its Google rating and availability: 4.8★ from 741 Google reviews, open 24/7.
- 4.8★ from 741 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 565 Main St, Reading, MA 01867
Based in Danvers, 24 mi away
89/100CR ScoreRanked #23 because of its Google rating and availability: 4.8★ from 4,220 Google reviews, open 24/7.
- 4.8★ from 4,220 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 33 Cherry Hill Dr, Danvers, MA 01923
Based in Acton, 10 mi away
89/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 1,833 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 1,833 Google reviews
- Hours
- Mon–Sun 7 AM–10 PM
- Address
- 527 Great Rd, Littleton, MA 01460
Based in Woburn, 12 mi away
89/100CR ScoreRanked #25 because of its Google rating and availability: 4.7★ from 872 Google reviews, open 24/7.
- 4.7★ from 872 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5 Constitution Way Suite B, Woburn, MA 01801
HVAC contractors ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 1,242 ranked HVAC contractors here; the rest are on their profiles.
Also serving Concord
20 more HVAC contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| A&D Sheet Metal, Inc. | 5.0★ (2) | 3 mi |
| A&L Plumbing, Heating, and AC Repair | 4.6★ (174) | 8 mi |
| B J Doyle Heating & Air Conditioning | 5.0★ (2) | 8 mi |
| Carlson Hvac Inc | 3.0★ (2) | 6 mi |
| Comfort Point Mechanical | 5.0★ (1) | In Concord |
| Constant Temperature Systems | 3.0★ (2) | 9 mi |
| CoolGreenPower | 5.0★ (2) | In Concord |
| Denommee Plumbing, HVAC & Electric | 4.7★ (427) | 14 mi |
| Emanuelson Plumbing & Heating | 5.0★ (2) | 5 mi |
| Foster Eric C Plumbing & Heating Co | 5.0★ (1) | In Concord |
| Green Flow Solution | In Concord | |
| J C Heating & Air Conditioning | 3.0★ (2) | 9 mi |
| J. Griffin Heating & Plumbing Inc | 5.0★ (643) | 14 mi |
| Julien Monty Plumbing & Heating INC. | 5.0★ (1) | In Concord |
| KEN's HVAC SERVICE | 5.0★ (97) | 7 mi |
| Mahoney Plumbing & Heating | 5.0★ (2) | 8 mi |
| Mc Gregor Heating & Air Conditioning | 3.0★ (2) | 4 mi |
| On Dryer Vent Cleaning Services Concord, MA | 4.8★ (25) | In Concord |
| R.Y. HVAC | 5.0★ (2) | 9 mi |
| Sahlberg Plumbing & Heating | 5.0★ (2) | 8 mi |
How much do HVAC contractors cost in Concord?
National price ranges in USD, not adjusted for Concord. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| AC replacement | $3,887 | $5,978 | $8,073 | Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range | October 2026 |
| Furnace replacement | $2,823 | $4,814 | $6,896 | Per system, installed; typical range of customer-reported jobs. US national range | October 2026 |
When to hire an HVAC contractor in Massachusetts
In Massachusetts, furnace and heat pump calls peak in the coldest winter weeks and AC calls in summer heat waves. Spring and fall are the easiest times to book maintenance or a replacement.
How we ranked Concord HVAC contractors
We scored 1,242 Concord HVAC contractors on 8 factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. Unknown factors are left out of the score, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Concord data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |
HVAC contractors in Concord: frequently asked questions
Who is the best HVAC contractor in Concord?
By CR Score, the highest-ranked HVAC contractor in Concord, MA is Papalia Home Services with a CR Score of 94/100. It has 4.9★ from 3,978 Google reviews. It is open 24/7. Central Cooling & Heating (#2) and 128 Plumbing, Heating, Cooling & Electric (#3) follow. We ranked 1,242 HVAC contractors on 8 factors, last updated October 22, 2026.
How many HVAC contractors are there in Concord?
ContractorsRanked ranks 1,242 HVAC contractors serving Concord, MA. 1 of them is based in Concord; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which HVAC contractors in Concord are open 24/7?
382 ranked HVAC contractors in Concord post 24/7 hours. The highest-ranked are Papalia Home Services (#1), Central Cooling & Heating (#2) and 128 Plumbing, Heating, Cooling & Electric (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which HVAC contractors in Concord work on weekends?
690 of 1,242 ranked HVAC contractors post Saturday hours and 512 post Sunday hours. The highest-ranked open Saturdays are Papalia Home Services (#1), Central Cooling & Heating (#2) and 128 Plumbing, Heating, Cooling & Electric (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does ac replacement cost in Concord?
AC replacement typically costs $3,887 to $8,073, with $5,978 typical (Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Concord. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Concord HVAC contractors have?
The median Google rating among 1,242 rated HVAC contractors in Concord is 4.9★, with a median of 17 reviews. Sila Heating, Air Conditioning, Plumbing & Electrical has the most, 4,377 reviews, and ranks #16. We adjust ratings for review count, so a few five-star reviews cannot top the list.
When is the best time to hire an HVAC contractor in Concord?
In Massachusetts, furnace and heat pump calls peak in the coldest winter weeks and AC calls in summer heat waves. Spring and fall are the easiest times to book maintenance or a replacement.
How does ContractorsRanked rank HVAC contractors?
Each HVAC contractor gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Update log for Concord
- October 2026: CR Scores recalculated for 1,242 hvac contractors serving Concord.
- October 2026: 9 duplicate listings merged.
More HVAC contractors and Concord pages
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