420 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Manchester: High Ground Service Pros - Plumbers Electricians & HVAC Technicians, CR Score 66/100; 4.9★ from 2,303 Google reviews; open 24/7.
Best for emergencies (open 24/7): Heritage Home Service, posts 24/7 hours; ranked #2 of 420.
Most-reviewed: Heritage Home Service, 7,956 Google reviews at 4.8★, the most of 420 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
420 Manchester HVAC contractors are ranked here by CR Score, from ten published factors. 109 are open 24/7, 184 open Saturdays and 134 open Sundays, based on posted hours. The median Google rating is 4.9★ across 420 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | High Ground Service Pros - Plumbers Electricians & HVAC Technicians | 66 | 4.9★ (2,303) | Manchester | 24/7 | Overall |
| 2 | Heritage Home Service | 66 | 4.8★ (7,956) | Auburn, 6 mi away | 24/7 | Emergencies, Most reviews |
| 3 | LHR Plumbing Heating Cooling and Electric | 64 | 4.9★ (454) | Manchester | 24/7 | — |
| 4 | A.J. LeBlanc Heating, A/C, Plumbing & Electrical | 63 | 4.8★ (683) | Bedford, 3 mi away | 24/7 | — |
| 5 | Bill Trombly Plumbing - Heating - Cooling - Electric | 63 | 4.7★ (598) | Manchester | 24/7 | — |
| 6 | Brookside Heating & Cooling (fka Brookside Mechanical, Inc.) | 63 | 4.9★ (167) | Manchester | 24/7 | — |
| 7 | Sanford Temperature Control | 62 | 4.9★ (1,832) | Milford, 16 mi away | 24/7 | — |
| 8 | Triumph Home Services | 62 | 4.9★ (539) | Concord, 10 mi away | 24/7 | — |
| 9 | Patriot Oil Burner Service | 62 | 5.0★ (263) | Chester, 9 mi away | 24/7 | — |
| 10 | Southern New Hampshire Plumbing and Heating | 61 | 4.8★ (433) | Londonderry, 8 mi away | 24/7 | — |
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.
Ranked #1 in Manchester
Based in Manchester
Ranked #1 because of its Google rating and trade focus: 4.9★ from 2,303 Google reviews, listed on Google as “HVAC contractor”.
Based in Auburn, 6 mi away
Ranked #2 because of its Google rating and review volume: 4.8★ from 7,956 Google reviews, the most in Manchester.
Based in Manchester
Ranked #3 because of its Google rating and trade focus: 4.9★ from 454 Google reviews, listed on Google as “HVAC contractor”.
Based in Bedford, 3 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 683 Google reviews, listed on Google as “HVAC contractor”.
Based in Manchester
Ranked #5 because of its Google rating and trade focus: 4.7★ from 598 Google reviews, listed on Google as “HVAC contractor”.
Based in Manchester
Ranked #6 because of its Google rating and trade focus: 4.9★ from 167 Google reviews, listed on Google as “HVAC contractor”.
Based in Milford, 16 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 in Concord, 10 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 539 Google reviews, listed on Google as “HVAC contractor”.
Based in Chester, 9 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 263 Google reviews, listed on Google as “HVAC contractor”.
Based in Londonderry, 8 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 433 Google reviews, listed on Google as “HVAC contractor”.
Based in Manchester
Ranked #11 because of its Google rating and trade focus: 5.0★ from 54 Google reviews, listed on Google as “HVAC contractor”.
Based in Manchester
Ranked #12 because of its Google rating and trade focus: 5.0★ from 46 Google reviews, listed on Google as “HVAC contractor”.
Based in Nashua, 16 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 793 Google reviews, listed on Google as “HVAC contractor”.
Based in Manchester
Ranked #14 because of its Google rating and trade focus: 4.9★ from 128 Google reviews, listed on Google as “HVAC contractor”.
Based in Manchester
Ranked #15 because of its Google rating and trade focus: 4.6★ from 101 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Manchester
Ranked #16 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “HVAC contractor”.
Based in Litchfield, 15 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 320 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Nashua, 15 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 348 Google reviews, listed on Google as “HVAC contractor”.
Based in Fitchburg, 23 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 1,275 Google reviews, listed on Google as “HVAC contractor”.
Based in Billerica, 23 mi away
Ranked #20 because of its Google rating and trade focus: 4.8★ from 1,626 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Derry, 11 mi away
Ranked #21 because of its Google rating and trade focus: 4.8★ from 176 Google reviews, listed on Google as “HVAC contractor”.
Based in Manchester
Ranked #22 because of its Google rating and trade focus: 4.8★ from 24 Google reviews, listed on Google as “Heating contractor”.
Based in Auburn, 7 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 45 Google reviews, listed on Google as “HVAC contractor”.
Based in Manchester
Ranked #24 because of its Google rating and trade focus: 4.3★ from 82 Google reviews, listed on Google as “HVAC contractor”.
Based in Derry, 4 mi away
Ranked #25 because of its Google rating and trade focus: 4.5★ from 94 Google reviews, listed on Google as “Heating contractor”.
#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 420 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 |
|---|---|---|
| Advanced Refrigeration & AC | 3.0★ (2) | 3 mi |
| Allied plumbing and heating | 5.0★ (2) | 12 mi |
| CRS Mechanical LLC | 5.0★ (28) | 15 mi |
| Denommee Plumbing, HVAC & Electric | 4.9★ (51) | 17 mi |
| Eloquent HVAC Manchester | In Manchester | |
| Fusion Mechanical Services | 3.0★ (2) | 3 mi |
| Gerlach HVAC | 5.0★ (1) | In Manchester |
| Grooms HVAC and Appliance | 3.7★ (3) | 2 mi |
| Haverhill HVAC | 5.0★ (16) | 12 mi |
| J Donnelly Plumbing & Heating | 5.0★ (2) | 13 mi |
| Kingdom Cooling | 4.5★ (15) | 11 mi |
| KPMB Enterprises | 5.0★ (2) | 11 mi |
| Lemay Oil Services | 4.9★ (19) | In Manchester |
| Manchester Mechanical | 5.0★ (1) | In Manchester |
| NEXTgen Heating, Cooling & Gas | 5.0★ (21) | 12 mi |
| On-Line Plumbing & Heating, Inc. | In Manchester | |
| P.A.C.E Cooling & Heating, LLC | 5.0★ (9) | 9 mi |
| Patriot Heating & Cooling, LLC | 4.8★ (174) | 10 mi |
| Savoie Plumbing & Heating | In Manchester | |
| Windham Mechanical LLC | 4.9★ (73) | 21 mi |
National price ranges in USD, not adjusted for Manchester. 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 420 Manchester 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 Manchester 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 |