66/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 7,956 Google reviews, the most in South Hooksett.
- 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 South Hooksett, NH (2026)
387 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in South Hooksett: Heritage Home Service, CR Score 66/100; 4.8★ from 7,956 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): High Ground Service Pros - Plumbers Electricians & HVAC Technicians, posts 24/7 hours; ranked #2 of 387.
- 2
Most-reviewed: High Ground Service Pros - Plumbers Electricians & HVAC Technicians, 2,303 Google reviews at 4.9★, the most of 387 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
387 South Hooksett HVAC contractors are ranked here by CR Score, from ten published factors. 104 are open 24/7, 166 open Saturdays and 124 open Sundays, based on posted hours. The median Google rating is 4.9★ across 387 rated businesses.
Most of this list also appears on the HVAC contractors in Manchester ranking. See HVAC contractors in Manchester
Top 10 HVAC contractors in South Hooksett at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Heritage Home Service | 66 | 4.8★ (7,956) | Auburn, 6 mi away | 24/7 | Overall |
| 2 | High Ground Service Pros - Plumbers Electricians & HVAC Technicians | 66 | 4.9★ (2,303) | Manchester, 3 mi away | 24/7 | Emergencies, Most reviews |
| 3 | LHR Plumbing Heating Cooling and Electric | 63 | 4.9★ (454) | Manchester, 3 mi away | 24/7 | — |
| 4 | A.J. LeBlanc Heating, A/C, Plumbing & Electrical | 63 | 4.8★ (683) | Bedford, 5 mi away | 24/7 | — |
| 5 | Bill Trombly Plumbing - Heating - Cooling - Electric | 62 | 4.7★ (598) | Manchester, 4 mi away | 24/7 | — |
| 6 | Triumph Home Services | 62 | 4.9★ (539) | Concord, 9 mi away | 24/7 | — |
| 7 | Brookside Heating & Cooling (fka Brookside Mechanical, Inc.) | 62 | 4.9★ (167) | Manchester, 4 mi away | 24/7 | — |
| 8 | Patriot Oil Burner Service | 62 | 5.0★ (263) | Chester, 9 mi away | 24/7 | — |
| 9 | Sanford Temperature Control | 61 | 4.9★ (1,832) | Milford, 19 mi away | 24/7 | — |
| 10 | Southern New Hampshire Plumbing and Heating | 61 | 4.8★ (433) | Londonderry, 10 mi away | 24/7 | — |
The 387 best HVAC contractors in South Hooksett, 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 Manchester, 3 mi away
66/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 2,303 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 2,303 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 201 Allard Dr, Manchester, NH 03102
Based in Manchester, 3 mi away
63/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 454 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 454 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 326 Lincoln St, Manchester, NH 03103
Based in Bedford, 5 mi away
63/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.8★ from 683 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 683 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 45 S River Rd, Bedford, NH 03110
Based in Manchester, 4 mi away
62/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.7★ from 598 Google reviews, listed on Google as “HVAC contractor”.
- 4.7★ from 598 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 76 Maple St, Manchester, NH 03103
Based in Concord, 9 mi away
62/100CR ScoreRanked #6 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 Manchester, 4 mi away
62/100CR ScoreRanked #7 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 Chester, 9 mi away
62/100CR 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 Milford, 19 mi away
61/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 1,832 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 1,832 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 96 Old Wilton Rd #1, Milford, NH 03055
Based in Londonderry, 10 mi away
61/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.8★ from 433 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 433 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 39 Rockingham Rd, Londonderry, NH 03053
Based in Manchester, 3 mi away
60/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 54 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 54 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 60 Rogers St, Manchester, NH 03103
Based in Nashua, 19 mi away
60/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 793 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 793 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 35 E Hollis St, Nashua, NH 03060
Based in Manchester, 3 mi away
60/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 46 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 46 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 336 Lincoln St, Manchester, NH 03103
Based in Manchester, 2 mi away
60/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 128 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 128 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 388 Stark Ln, Manchester, NH 03102
#15 City Fuel
Based in Manchester, 4 mi away
60/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.6★ from 101 Google reviews, listed on Google as “Air conditioning contractor”.
- 4.6★ from 101 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 67 Willow St, Manchester, NH 03103
Based in South Hooksett
60/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.7★ from 32 Google reviews, listed on Google as “HVAC contractor”.
- 4.7★ from 32 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 180 Londonderry Tpke Suite 6, Hooksett, NH 03106
Based in Manchester, 3 mi away
60/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 27 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 670 N Commercial St # 303, Manchester, NH 03101
Based in Litchfield, 17 mi away
59/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.9★ from 320 Google reviews, listed on Google as “Air conditioning contractor”.
- 4.9★ from 320 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 17 Old Nashua Rd Unit 1B, Amherst, NH 03031
Based in Nashua, 18 mi away
59/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.9★ from 348 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 348 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 230 Amherst St Unit 103, Nashua, NH 03063
Based in Auburn, 7 mi away
59/100CR ScoreRanked #20 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 Derry, 12 mi away
59/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.8★ from 176 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 176 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 71 Birch St Suite A, Derry, NH 03038
#22 Fuel NRG
Based in Derry, 6 mi away
59/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.5★ from 94 Google reviews, listed on Google as “Heating contractor”.
- 4.5★ from 94 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Concord, 21 mi away
59/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.8★ from 633 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 633 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 197 N Main St, Boscawen, NH 03303
Based in Concord, 10 mi away
59/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 132 Google reviews, listed on Google as “Heating contractor”.
- 5.0★ from 132 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
- Address
- 7A Putney Rd, Bow, NH 03304
Based in Bedford, 2 mi away
59/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.5★ from 214 Google reviews, listed on Google as “HVAC contractor”.
- 4.5★ from 214 Google reviews
- Hours
- Mon–Sun 7 AM–5 PM
- Address
- 8 Industrial Park Dr UNIT 12, Hooksett, NH 03106
HVAC contractors ranked #27 to #38
#1 to #25 are shown in full above. Here are #27 to #38, in CR Score order; each links to its profile. We publish the top 38 of 387 ranked HVAC contractors here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 27 | W L Brady Corporation | 59 | 4.8★ (24) | 3 mi |
| 38 | Patriot Heating & Cooling, LLC | 57 | 4.8★ (174) | 8 mi |
How much do HVAC contractors cost in South Hooksett?
National price ranges in USD, not adjusted for South Hooksett. 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 South Hooksett HVAC contractors
We scored 387 South Hooksett 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 South Hooksett 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 South Hooksett: frequently asked questions
Who is the best HVAC contractor in South Hooksett?
By CR Score, the highest-ranked HVAC contractor in South Hooksett, NH is Heritage Home Service with a CR Score of 66/100. It has 4.8★ from 7,956 Google reviews. It is open 24/7. High Ground Service Pros - Plumbers Electricians & HVAC Technicians (#2) and LHR Plumbing Heating Cooling and Electric (#3) follow. We ranked 387 HVAC contractors on ten factors, last updated October 22, 2026.
How many HVAC contractors are there in South Hooksett?
ContractorsRanked ranks 387 HVAC contractors serving South Hooksett, NH. 1 of them is based in South Hooksett; the rest serve it from nearby towns. Counts are as of October 2026.
Which HVAC contractors in South Hooksett are open 24/7?
104 ranked HVAC contractors in South Hooksett post 24/7 hours. The highest-ranked are Heritage Home Service (#1), High Ground Service Pros - Plumbers Electricians & HVAC Technicians (#2) and LHR Plumbing Heating Cooling and Electric (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which HVAC contractors in South Hooksett work on weekends?
166 of 387 ranked HVAC contractors post Saturday hours and 124 post Sunday hours. The highest-ranked open Saturdays are Heritage Home Service (#1), High Ground Service Pros - Plumbers Electricians & HVAC Technicians (#2) and LHR Plumbing Heating Cooling and Electric (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does ac replacement cost in South Hooksett?
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 South Hooksett. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do South Hooksett HVAC contractors have?
The median Google rating among 387 rated HVAC contractors in South Hooksett is 4.9★, with a median of 17 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 South Hooksett?
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 South Hooksett
- October 2026: CR Scores recalculated for 387 hvac contractors serving South Hooksett.
- October 2026: 3 duplicate listings merged.
More HVAC contractors and South Hooksett pages
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