325 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Bow Bog: Heritage Home Service, CR Score 64/100; 4.8★ from 7,956 Google reviews; open 24/7.
Best for emergencies (open 24/7): High Ground Service Pros - Plumbers Electricians & HVAC Technicians, posts 24/7 hours; ranked #2 of 325.
Most-reviewed: Rowell's Services, 3,082 Google reviews at 4.8★, the most of 325 ranked after Heritage Home Service; ranked #9.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
325 Bow Bog HVAC contractors are ranked here by CR Score, from ten published factors. 91 are open 24/7, 136 open Saturdays and 103 open Sundays, based on posted hours. The median Google rating is 4.9★ across 325 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Heritage Home Service | 64 | 4.8★ (7,956) | Auburn, 14 mi away | 24/7 | Overall |
| 2 | High Ground Service Pros - Plumbers Electricians & HVAC Technicians | 64 | 4.9★ (2,303) | Manchester, 9 mi away | 24/7 | Emergencies |
| 3 | Triumph Home Services | 64 | 4.9★ (539) | Concord, 2 mi away | 24/7 | — |
| 4 | LHR Plumbing Heating Cooling and Electric | 62 | 4.9★ (454) | Manchester, 10 mi away | 24/7 | — |
| 5 | A.J. LeBlanc Heating, A/C, Plumbing & Electrical | 61 | 4.8★ (683) | Bedford, 11 mi away | 24/7 | — |
| 6 | Bill Trombly Plumbing - Heating - Cooling - Electric | 61 | 4.7★ (598) | Manchester, 11 mi away | 24/7 | — |
| 7 | Sanford Temperature Control | 61 | 4.9★ (1,832) | Milford, 22 mi away | 24/7 | — |
| 8 | Total Climate Control Plumbing, Heating & Air Conditioning | 61 | 4.8★ (633) | Concord, 13 mi away | 24/7 | — |
| 9 | Rowell's Services | 61 | 4.8★ (3,082) | Northfield, 23 mi away | 24/7 | Most reviews |
| 10 | Truly Blessed Plumbing & Heating | 60 | 5.0★ (132) | Concord, 3 mi away | Sat · Sun · Evenings | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and review volume: 4.8★ from 7,956 Google reviews, the most in Bow Bog.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Manchester, 9 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 2,303 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Concord, 2 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 539 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Manchester, 10 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 454 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bedford, 11 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 683 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Manchester, 11 mi away
Ranked #6 because of its Google rating and trade focus: 4.7★ from 598 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Milford, 22 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 1,832 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Concord, 13 mi away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 633 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Northfield, 23 mi away
Ranked #9 because of its Google rating and trade focus: 4.8★ from 3,082 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Concord, 3 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 132 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chester, 16 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 263 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Manchester, 11 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 167 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Concord, 5 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 92 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Londonderry, 17 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 433 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Concord, 3 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 1,290 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Auburn, 3 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Manchester, 7 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 128 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Manchester, 10 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 54 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Concord, 6 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Manchester, 10 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 46 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Methuen, 12 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 73 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Litchfield, 22 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 320 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Franklin, 10 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 40 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Concord, 6 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 743 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Concord, 8 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 133 Google reviews, listed on Google as “HVAC contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
#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 325 ranked HVAC contractors here; the rest are on their profiles.
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 |
|---|---|---|
| Accurate Air | 4.4★ (8) | 14 mi |
| Advanced Quality Air | 4.8★ (20) | 17 mi |
| Advanced Refrigeration & AC | 3.0★ (2) | 9 mi |
| Allied plumbing and heating | 5.0★ (2) | 18 mi |
| Aphco Plumbing & Heating Inc | 5.0★ (1) | 3 mi |
| Borelli Plumbing & Heating | 5.0★ (2) | 20 mi |
| Coltella Heating & Cooling | 5.0★ (9) | 12 mi |
| Comfort Services LLC | 5.0★ (22) | 20 mi |
| Complete Home Services | 4.8★ (20) | 10 mi |
| David Glover Plumbing & Heating | 3.0★ (2) | 21 mi |
| Denommee Plumbing, HVAC & Electric | 4.9★ (51) | 24 mi |
| Diamond Mechanical LLC | 4.5★ (83) | 23 mi |
| J Donnelly Plumbing & Heating | 5.0★ (2) | 4 mi |
| KPMB Enterprises | 5.0★ (2) | 2 mi |
| Krafton plumbing and heating | 5.0★ (2) | 20 mi |
| Logan Heating & AC | 5.0★ (2) | 14 mi |
| Nault's Plumbing & Heating, LLC | 5.0★ (1) | 4 mi |
| Pure Plumbing & Heating | 5.0★ (2) | 12 mi |
| Spencer Deal Heating Services LLC | 4.0★ (2) | 21 mi |
| Total Climate Control | 2.6★ (19) | 6 mi |
National price ranges in USD, not adjusted for Bow Bog. 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 |
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.
We scored 325 Bow Bog 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 Bow Bog 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 |