27 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Hanover: Triumph Home Services, CR Score 64/100; 4.9★ from 112 Google reviews; open 24/7.
Best for emergencies (open 24/7): Cardigan Mechanical, posts 24/7 hours; ranked #3 of 27.
Most-reviewed: Jerm's Plumbing, Heating & Air, 1,286 Google reviews at 5.0★, the most of 27 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
27 Hanover HVAC contractors are ranked here by CR Score, from ten published factors. 3 are open 24/7, 7 open Saturdays and 4 open Sundays, based on posted hours. The median Google rating is 4.5★ across 27 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Triumph Home Services | 64 | 4.9★ (112) | Hanover | 24/7 | Overall |
| 2 | Jerm's Plumbing, Heating & Air | 64 | 5.0★ (1,286) | Hanover | — | Most reviews |
| 3 | Cardigan Mechanical | 63 | 5.0★ (66) | Hanover | 24/7 | Emergencies |
| 4 | Fresh Air Solutions | 59 | 5.0★ (121) | Claremont, 2 mi away | — | — |
| 5 | Steve-O’s Plumbing | 55 | 5.0★ (116) | Rockingham, 17 mi away | — | — |
| 6 | Action Plumbing Heating And Air | 55 | 4.8★ (54) | Claremont, 24 mi away | Sat · Sun | — |
| 7 | Simple Energy | 55 | 4.0★ (53) | Hanover | — | — |
| 8 | Partridge Family Heating LLC | 54 | 4.2★ (17) | Hanover | — | — |
| 9 | Rymes Propane & Oil | 54 | 2.4★ (17) | Hanover | — | — |
| 10 | Pump Pros Heat Pump Cleaning | 53 | 5.0★ (6) | Burlington, 20 mi away | Sat · Sun | — |
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 trade focus: 4.9★ from 112 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hanover
Ranked #2 because of its Google rating and review volume: 5.0★ from 1,286 Google reviews, the most in Hanover.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hanover
Ranked #3 because of its Google rating and trade focus: 5.0★ from 66 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Claremont, 2 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 121 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rockingham, 17 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 116 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Claremont, 24 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 54 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hanover
Ranked #7 because of its Google rating and trade focus: 4.0★ from 53 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hanover
Ranked #8 because of its Google rating and trade focus: 4.2★ from 17 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hanover
Ranked #9 because of its Google rating and trade focus: 2.4★ from 17 Google reviews, listed on Google as “HVAC contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Burlington, 20 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hanover
Ranked #11 because of its Google rating and trade focus: 4.1★ from 12 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Claremont, 17 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 74 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lebanon, 6 mi away
Ranked #13 because of its Google rating and trade focus: 4.3★ from 17 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Hanover
Ranked #14 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Claremont, 23 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 36 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lebanon, 15 mi away
Ranked #16 because of its Google rating and trade focus: 4.4★ from 16 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Claremont, 22 mi away
Ranked #17 because of its Google rating and trade focus: 4.8★ from 22 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hanover
Ranked #18 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Claremont, 23 mi away
Ranked #19 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Heating contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Hanover
Ranked #20 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hanover
Ranked #21 because of its Google rating and trade focus: 4.5★ from 16 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Claremont, 23 mi away
Ranked #22 because of its Google rating and trade focus: 3.3★ from 3 Google reviews, listed on Google as “Heating contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Claremont, 23 mi away
Ranked #23 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hartford, 5 mi away
Ranked #24 because of its Google rating and trade focus: 3.5★ from 8 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Colchester, 14 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Plumber”.
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 #26, in CR Score order; each links to its profile. We publish the top 26 of 27 ranked HVAC contractors here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | ARC Mechanical Contractors, Inc. | 47 | 3.6★ (11) | In Hanover |
National price ranges in USD, not adjusted for Hanover. 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 27 Hanover 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 Hanover 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 |