62/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 7,956 Google reviews, the most in Barrington.
- 4.8★ from 7,956 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 28 Commercial Ct, Auburn, NH 03032
Best HVAC Contractors in Barrington, NH (2026)
240 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Barrington: Heritage Home Service, CR Score 62/100; 4.8★ from 7,956 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Heritage Home Service, posts 24/7 hours; ranked #2 of 240.
- 2
Most-reviewed: Heritage Home Service, 2,248 Google reviews at 4.9★, the most of 240 ranked after Heritage Home Service; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
240 Barrington HVAC contractors are ranked here by CR Score, from ten published factors. 65 are open 24/7, 89 open Saturdays and 69 open Sundays, based on posted hours. The median Google rating is 4.9★ across 240 rated businesses.
Top 10 HVAC contractors in Barrington at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Heritage Home Service | 62 | 4.8★ (7,956) | Auburn, 24 mi away | 24/7 | Overall |
| 2 | Heritage Home Service | 61 | 4.9★ (2,248) | Hampton, 20 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Key Heating & Air Conditioning | 60 | 4.8★ (692) | Exeter, 16 mi away | 24/7 | — |
| 4 | HomeStyle Heating and Air LLC | 60 | 5.0★ (26) | Barrington | 24/7 | — |
| 5 | HeatPro HVAC | 59 | 4.8★ (138) | Chester, 11 mi away | 24/7 | — |
| 6 | T&R Oil Burner Service | 59 | 5.0★ (14) | Barrington | 24/7 | — |
| 7 | Murphy's HVAC LLC | 59 | 5.0★ (11) | Barrington | 24/7 | — |
| 8 | Patriot Oil Burner Service | 59 | 5.0★ (263) | Chester, 20 mi away | 24/7 | — |
| 9 | Triumph Home Services | 59 | 4.9★ (539) | Concord, 23 mi away | 24/7 | — |
| 10 | Comfort Services LLC | 59 | 5.0★ (22) | Chester, 5 mi away | 24/7 | — |
The 240 best HVAC contractors in Barrington, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Hampton, 20 mi away
61/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 2,248 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 2,248 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 179 Lafayette Rd, North Hampton, NH 03862
Based in Exeter, 16 mi away
60/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.8★ from 692 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 692 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 8 Continental Dr, Exeter, NH 03833
Based in Barrington
60/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 26 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 125 Wildcat Rd, Barrington, NH 03825
#5 HeatPro HVAC
Based in Chester, 11 mi away
59/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.8★ from 138 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 138 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Barrington
59/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Heating contractor”.
- 5.0★ from 14 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 10 Little River Rd, Nottingham, NH 03290
Based in Barrington
59/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 11 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Chester, 20 mi away
59/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 263 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 263 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 261 N Pond Rd, Chester, NH 03036
Based in Concord, 23 mi away
59/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 539 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 539 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 7 Tallwood Dr Units 5-7, Bow, NH 03304
Based in Chester, 5 mi away
59/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 22 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Rochester, 4 mi away
57/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 9 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 9 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 151 Flagg Rd, Rochester, NH 03839
#12 HVAC Plus LLC
Based in Eliot, 8 mi away
57/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 75 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 75 Google reviews
- Hours
- Mon–Fri 6 AM–5 PM · Sat 6 AM–12 PM · Sun closed
Based in Exeter, 15 mi away
57/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 35 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 35 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3 Kelby Scott Way, Exeter, NH 03833
Based in Northfield, 24 mi away
57/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 121 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 121 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Manchester, 25 mi away
56/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 167 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 167 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 387 Pepsi Rd, Manchester, NH 03109
Based in Exeter, 17 mi away
56/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 38 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 38 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- Bunker Hill Ave, Stratham, NH 03885
Based in Exeter, 15 mi away
56/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.5★ from 83 Google reviews, listed on Google as “HVAC contractor”.
- 4.5★ from 83 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 388 NH-125 Suite 1, Brentwood, NH 03833
Based in Sandown, 19 mi away
56/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 51 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 51 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 265 Fremont Rd, Sandown, NH 03873
Based in Portsmouth, 18 mi away
56/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.9★ from 45 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 45 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 28 Deer St ste 201, Portsmouth, NH 03801
Based in South Berwick, 4 mi away
56/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 34 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 34 Google reviews
- Hours
- Mon–Fri 7 AM–4 PM · Sat 8 AM–2 PM · Sun closed
Based in Barrington
56/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 5 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 836 Washington St, Barrington, NH 03825
Based in Barrington
56/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 53 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 53 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
#23 CircumVent LLC
Based in Eliot, 19 mi away
56/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 40 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 40 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Auburn, 21 mi away
56/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 45 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 45 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 325 Bunker Hill Rd, Auburn, NH 03032
Based in Gilford, 18 mi away
56/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.6★ from 74 Google reviews, listed on Google as “HVAC contractor”.
- 4.6★ from 74 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 69 Main St, Alton, NH 03809
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 240 ranked HVAC contractors here; the rest are on their profiles.
Also serving Barrington
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 |
|---|---|---|
| Affordable Comfort | 4.6★ (11) | 21 mi |
| All Purpose Mechanical | 4.5★ (2) | 21 mi |
| AllTek Services Barrington NH | In Barrington | |
| Berger HVAC, LLC | 3.0★ (4) | 9 mi |
| Boone Emergency Plumber & HVAC Repair | In Barrington | |
| Capstone Mechanical | 3.4★ (5) | 18 mi |
| Complete Home Services | 4.8★ (20) | 23 mi |
| David Glover Plumbing & Heating | 3.0★ (2) | In Barrington |
| Freeman Mechanical | 5.0★ (8) | 21 mi |
| J Donnelly Plumbing & Heating | 5.0★ (2) | 22 mi |
| Jim Tobey Plumbing & Heating | 3.0★ (2) | 18 mi |
| Krafton plumbing and heating | 5.0★ (2) | 17 mi |
| Mad Moose Mechanical | 5.0★ (14) | 23 mi |
| Mc Nally & Sons Plumbing & Heating | 5.0★ (2) | 22 mi |
| Nadeau Gas & Oil Services, LLC | 5.0★ (2) | 13 mi |
| P & M Heating Services | 4.0★ (35) | 25 mi |
| Plante Oil Burner Services | 3.0★ (2) | 19 mi |
| Townsend Energy | 3.7★ (71) | 18 mi |
| W. Fortune & Company | 5.0★ (1) | In Barrington |
| Will's Work LLC | 5.0★ (94) | In Barrington |
How much do HVAC contractors cost in Barrington?
National price ranges in USD, not adjusted for Barrington. 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 New Hampshire
In New Hampshire, 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 Barrington HVAC contractors
We scored 240 Barrington HVAC contractors on ten 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. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, 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 Barrington data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |
HVAC contractors in Barrington: frequently asked questions
Who is the best HVAC contractor in Barrington?
By CR Score, the highest-ranked HVAC contractor in Barrington, NH is Heritage Home Service with a CR Score of 62/100. It has 4.8★ from 7,956 Google reviews. It is open 24/7. Heritage Home Service (#2) and Key Heating & Air Conditioning (#3) follow. We ranked 240 HVAC contractors on ten factors, last updated October 22, 2026.
How many HVAC contractors are there in Barrington?
ContractorsRanked ranks 240 HVAC contractors serving Barrington, NH. 7 of them are based in Barrington; 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 Barrington are open 24/7?
65 ranked HVAC contractors in Barrington post 24/7 hours. The highest-ranked are Heritage Home Service (#1), Heritage Home Service (#2) and Key Heating & Air Conditioning (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which HVAC contractors in Barrington work on weekends?
89 of 240 ranked HVAC contractors post Saturday hours and 69 post Sunday hours. The highest-ranked open Saturdays are Heritage Home Service (#1), Heritage Home Service (#2) and Key Heating & Air Conditioning (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does ac replacement cost in Barrington?
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 Barrington. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Barrington HVAC contractors have?
The median Google rating among 240 rated HVAC contractors in Barrington is 4.9★, with a median of 14 reviews. Heritage Home Service has the most, 7,956 reviews, and ranks #1. 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 Barrington?
In New Hampshire, 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 ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Update log for Barrington
- October 2026: CR Scores recalculated for 240 hvac contractors serving Barrington.
- October 2026: 2 duplicate listings merged.
More HVAC contractors and Barrington pages
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