65/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 7,956 Google reviews, the most in Sandown.
- 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 Sandown, NH (2026)
565 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Sandown: Heritage Home Service, CR Score 65/100; 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 565.
- 37
Most-reviewed: Joyce Cooling & Heating Inc., 5,079 Google reviews at 4.9★, the most of 565 ranked after Heritage Home Service; ranked #37.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
565 Sandown HVAC contractors are ranked here by CR Score, from ten published factors. 157 are open 24/7, 267 open Saturdays and 195 open Sundays, based on posted hours. The median Google rating is 4.9★ across 565 rated businesses.
Top 10 HVAC contractors in Sandown at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Heritage Home Service | 65 | 4.8★ (7,956) | Auburn, 9 mi away | 24/7 | Overall |
| 2 | High Ground Service Pros - Plumbers Electricians & HVAC Technicians | 63 | 4.9★ (2,303) | Manchester, 15 mi away | 24/7 | Emergencies |
| 3 | Patriot Oil Burner Service | 63 | 5.0★ (263) | Chester, 5 mi away | 24/7 | — |
| 4 | Heritage Home Service | 62 | 4.9★ (2,248) | Hampton, 19 mi away | 24/7 | — |
| 5 | Northeast Heating & Cooling | 62 | 5.0★ (449) | Haverhill, 12 mi away | 24/7 | — |
| 6 | Southern New Hampshire Plumbing and Heating | 61 | 4.8★ (433) | Londonderry, 9 mi away | 24/7 | — |
| 7 | Key Heating & Air Conditioning | 61 | 4.8★ (692) | Exeter, 12 mi away | 24/7 | — |
| 8 | Pilot Plumbing, Heating and Cooling | Plumber, Tankless Water Heater Repair & Installation | Heating & AC Repair Sandown, NH | 61 | 5.0★ (51) | Sandown | 24/7 | — |
| 9 | 128 Plumbing, Heating, Cooling & Electric | 61 | 5.0★ (562) | North Andover, 17 mi away | 24/7 | — |
| 10 | Heritage Home Service | 61 | 4.8★ (3,352) | Wilmington, 23 mi away | 24/7 | — |
The 565 best HVAC contractors in Sandown, 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, 15 mi away
63/100CR 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 Chester, 5 mi away
63/100CR ScoreRanked #3 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 Hampton, 19 mi away
62/100CR ScoreRanked #4 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 Haverhill, 12 mi away
62/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 449 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 449 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 12 Bond St, Haverhill, MA 01835
Based in Londonderry, 9 mi away
61/100CR ScoreRanked #6 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 Exeter, 12 mi away
61/100CR ScoreRanked #7 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 Sandown
61/100CR ScoreRanked #8 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 North Andover, 17 mi away
61/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 562 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 562 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3 Johnson St, North Andover, MA 01845
Based in Wilmington, 23 mi away
61/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.8★ from 3,352 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 3,352 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 323 Andover St STE 2, Wilmington, MA 01887
Based in Manchester, 14 mi away
61/100CR ScoreRanked #11 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 Derry, 8 mi away
60/100CR ScoreRanked #12 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
Based in Chelmsford, 23 mi away
60/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.8★ from 2,927 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 2,927 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 131 Stedman St #6, Chelmsford, MA 01824
Based in Nashua, 18 mi away
60/100CR ScoreRanked #14 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 Bedford, 15 mi away
60/100CR ScoreRanked #15 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 Haverhill, 13 mi away
60/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.7★ from 545 Google reviews, listed on Google as “HVAC contractor”.
- 4.7★ from 545 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 72 S Kimball St, Haverhill, MA 01835
Based in Billerica, 21 mi away
60/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.8★ from 1,626 Google reviews, listed on Google as “Air conditioning contractor”.
- 4.8★ from 1,626 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 116 Pawtucket Blvd, Tyngsborough, MA 01879
Based in Manchester, 14 mi away
60/100CR ScoreRanked #18 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 Manchester, 11 mi away
60/100CR ScoreRanked #19 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 Methuen, 14 mi away
60/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.8★ from 313 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 313 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1 Toby St Unit 1, Methuen, MA 01844
Based in Andover, 22 mi away
60/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 582 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 582 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 11 Old Right Rd Unit A2, Ipswich, MA 01938
#22 NextGen Aire
Based in Amesbury, 14 mi away
60/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.8★ from 271 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 271 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 31 S Hunt Rd, Amesbury, MA 01913
Based in Merrimac, 11 mi away
59/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.9★ from 96 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 96 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 40 Winter St, Merrimac, MA 01860
Based in Nashua, 19 mi away
59/100CR ScoreRanked #24 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, 8 mi away
59/100CR ScoreRanked #25 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
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 565 ranked HVAC contractors here; the rest are on their profiles.
Also serving Sandown
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) | 13 mi |
| All Purpose Mechanical | 4.5★ (2) | 6 mi |
| Bolla Electrical & HVAC Services | 5.0★ (2) | 11 mi |
| Buonagurio HVAC | 5.0★ (2) | 13 mi |
| Fusion Mechanical Services | 3.0★ (2) | 15 mi |
| Georges Heating and Cooling | 4.3★ (82) | 12 mi |
| HVAC Unlimited LLC | 5.0★ (2) | 14 mi |
| Jim Tobey Plumbing & Heating | 3.0★ (2) | 10 mi |
| Just Great Plumbing and Heating LLC | 5.0★ (2) | 14 mi |
| Krafton plumbing and heating | 5.0★ (2) | 4 mi |
| LHR Plumbing, Heating & AC Repair | 4.9★ (128) | 16 mi |
| Logan Heating & AC | 5.0★ (2) | 12 mi |
| Merrimack Valley Plumbing | 3.0★ (2) | 14 mi |
| Mikey Pipes Plumbing & Heating LLC | 5.0★ (2) | 15 mi |
| Nadeau Gas & Oil Services, LLC | 5.0★ (2) | 11 mi |
| Patriot Heating & Cooling, LLC | 4.8★ (174) | 11 mi |
| Revise Heating and Cooling | 5.0★ (2) | 12 mi |
| Spencer Deal Heating Services LLC | 4.0★ (2) | In Sandown |
| Suspended Profile for Non Payment of Services - JP HVAC Services | 3.0★ (2) | 14 mi |
| Valerio Air Systems Inc | 3.0★ (2) | 14 mi |
How much do HVAC contractors cost in Sandown?
National price ranges in USD, not adjusted for Sandown. 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 Sandown HVAC contractors
We scored 565 Sandown 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 Sandown 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 Sandown: frequently asked questions
Who is the best HVAC contractor in Sandown?
By CR Score, the highest-ranked HVAC contractor in Sandown, NH is Heritage Home Service with a CR Score of 65/100. It has 4.8★ from 7,956 Google reviews. It is open 24/7. High Ground Service Pros - Plumbers Electricians & HVAC Technicians (#2) and Patriot Oil Burner Service (#3) follow. We ranked 565 HVAC contractors on ten factors, last updated October 22, 2026.
How many HVAC contractors are there in Sandown?
ContractorsRanked ranks 565 HVAC contractors serving Sandown, NH. 1 of them is based in Sandown; 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 Sandown are open 24/7?
157 ranked HVAC contractors in Sandown post 24/7 hours. The highest-ranked are Heritage Home Service (#1), High Ground Service Pros - Plumbers Electricians & HVAC Technicians (#2) and Patriot Oil Burner Service (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which HVAC contractors in Sandown work on weekends?
267 of 565 ranked HVAC contractors post Saturday hours and 195 post Sunday hours. The highest-ranked open Saturdays are Heritage Home Service (#1), High Ground Service Pros - Plumbers Electricians & HVAC Technicians (#2) and Patriot Oil Burner Service (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does ac replacement cost in Sandown?
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 Sandown. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Sandown HVAC contractors have?
The median Google rating among 565 rated HVAC contractors in Sandown is 4.9★, with a median of 18 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 Sandown?
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 Sandown
- October 2026: CR Scores recalculated for 565 hvac contractors serving Sandown.
- October 2026: 9 duplicate listings merged.
More HVAC contractors and Sandown pages
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Other trades in Sandown
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- General contractors in Sandown521 ranked
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- Kitchen remodelers in Sandown274 ranked
- Bathroom remodelers in Sandown260 ranked
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- Concrete contractors in Sandown93 ranked
- Fence contractors in Sandown84 ranked
- Deck builders in Sandown150 ranked
- Siding contractors in Sandown357 ranked
- Window installers in Sandown304 ranked
- Gutter installers in Sandown104 ranked
- Insulation contractors in Sandown54 ranked
- Solar installers in Sandown107 ranked
- Garage door repair companies in Sandown52 ranked
- Foundation repair companies in Sandown112 ranked
- Tree services in Sandown183 ranked
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- Water damage restoration companies in Sandown288 ranked
- Home builders in Sandown348 ranked
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