68/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 7,956 Google reviews, the most in Auburn.
- 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 Auburn, NH (2026)
470 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Auburn: Heritage Home Service, CR Score 68/100; 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 470.
- 2
Most-reviewed: High Ground Service Pros - Plumbers Electricians & HVAC Technicians, 2,303 Google reviews at 4.9★, the most of 470 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
470 Auburn HVAC contractors are ranked here by CR Score, from ten published factors. 124 are open 24/7, 215 open Saturdays and 156 open Sundays, based on posted hours. The median Google rating is 4.9★ across 470 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 Auburn at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Heritage Home Service | 68 | 4.8★ (7,956) | Auburn | 24/7 | Overall |
| 2 | High Ground Service Pros - Plumbers Electricians & HVAC Technicians | 65 | 4.9★ (2,303) | Manchester, 6 mi away | 24/7 | Emergencies, Most reviews |
| 3 | LHR Plumbing Heating Cooling and Electric | 63 | 4.9★ (454) | Manchester, 5 mi away | 24/7 | — |
| 4 | Patriot Oil Burner Service | 63 | 5.0★ (263) | Chester, 4 mi away | 24/7 | — |
| 5 | A.J. LeBlanc Heating, A/C, Plumbing & Electrical | 62 | 4.8★ (683) | Bedford, 7 mi away | 24/7 | — |
| 6 | Bill Trombly Plumbing - Heating - Cooling - Electric | 62 | 4.7★ (598) | Manchester, 6 mi away | 24/7 | — |
| 7 | Brookside Heating & Cooling (fka Brookside Mechanical, Inc.) | 62 | 4.9★ (167) | Manchester, 3 mi away | 24/7 | — |
| 8 | Southern New Hampshire Plumbing and Heating | 62 | 4.8★ (433) | Londonderry, 7 mi away | 24/7 | — |
| 9 | Triumph Home Services | 61 | 4.9★ (539) | Concord, 12 mi away | 24/7 | — |
| 10 | Danerik Mechanical, LLC. | 61 | 5.0★ (45) | Auburn | 24/7 | — |
The 470 best HVAC contractors in Auburn, 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, 6 mi away
65/100CR 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, 5 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 Chester, 4 mi away
63/100CR ScoreRanked #4 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 Bedford, 7 mi away
62/100CR ScoreRanked #5 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, 6 mi away
62/100CR ScoreRanked #6 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, 3 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 Londonderry, 7 mi away
62/100CR ScoreRanked #8 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 Concord, 12 mi away
61/100CR ScoreRanked #9 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 Auburn
61/100CR ScoreRanked #10 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 Milford, 21 mi away
61/100CR ScoreRanked #11 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 Nashua, 18 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, 5 mi away
60/100CR ScoreRanked #13 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 Derry, 9 mi away
60/100CR ScoreRanked #14 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 Auburn
60/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 21 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Manchester, 5 mi away
60/100CR ScoreRanked #16 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 Haverhill, 21 mi away
60/100CR ScoreRanked #17 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 Billerica, 24 mi away
59/100CR ScoreRanked #18 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 Nashua, 17 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 Exeter, 19 mi away
59/100CR ScoreRanked #20 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
#21 City Fuel
Based in Manchester, 6 mi away
59/100CR ScoreRanked #21 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 Auburn
59/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 14 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Litchfield, 18 mi away
59/100CR ScoreRanked #23 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
#24 Fuel NRG
Based in Derry, 5 mi away
59/100CR ScoreRanked #24 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 Manchester, 7 mi away
59/100CR ScoreRanked #25 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
HVAC contractors ranked #37 to #37
#1 to #25 are shown in full above. Here are #37 to #37, in CR Score order; each links to its profile. We publish the top 37 of 470 ranked HVAC contractors here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 37 | Patriot Heating & Cooling, LLC | 58 | 4.8★ (174) | 5 mi |
How much do HVAC contractors cost in Auburn?
National price ranges in USD, not adjusted for Auburn. 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 Auburn HVAC contractors
We scored 470 Auburn 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 Auburn 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 Auburn: frequently asked questions
Who is the best HVAC contractor in Auburn?
By CR Score, the highest-ranked HVAC contractor in Auburn, NH is Heritage Home Service with a CR Score of 68/100. 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 470 HVAC contractors on ten factors, last updated October 22, 2026.
How many HVAC contractors are there in Auburn?
ContractorsRanked ranks 470 HVAC contractors serving Auburn, NH. 4 of them are based in Auburn; the rest serve it from nearby towns. Counts are as of October 2026.
Which HVAC contractors in Auburn are open 24/7?
124 ranked HVAC contractors in Auburn 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 Auburn work on weekends?
215 of 470 ranked HVAC contractors post Saturday hours and 156 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 Auburn?
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 Auburn. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Auburn HVAC contractors have?
The median Google rating among 470 rated HVAC contractors in Auburn 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 Auburn?
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 Auburn
- October 2026: CR Scores recalculated for 470 hvac contractors serving Auburn.
- October 2026: 7 duplicate listings merged.
More HVAC contractors and Auburn pages
HVAC contractors near Auburn
- HVAC contractors in South Hooksett, NH387 ranked
- HVAC contractors in Manchester, NH420 ranked
- HVAC contractors in Chester, NH526 ranked
- HVAC contractors in Derry Village, NH593 ranked
- HVAC contractors in Derry, NH603 ranked
- HVAC contractors in Bedford, NH445 ranked
- HVAC contractors in Sandown, NH565 ranked
- HVAC contractors in Londonderry, NH574 ranked
- HVAC contractors in Suncook, NH341 ranked
- HVAC contractors in Pembroke, NH336 ranked
Other trades in Auburn
- Roofers in Auburn579 ranked
- Plumbers in Auburn297 ranked
- Electricians in Auburn318 ranked
- General contractors in Auburn471 ranked
- Painters in Auburn103 ranked
- Landscapers in Auburn180 ranked
- Handymen in Auburn55 ranked
- Kitchen remodelers in Auburn233 ranked
- Bathroom remodelers in Auburn222 ranked
- Flooring contractors in Auburn188 ranked
- Tile installers in Auburn25 ranked
- Drywall contractors in Auburn14 ranked
- Concrete contractors in Auburn83 ranked
- Fence contractors in Auburn75 ranked
- Deck builders in Auburn137 ranked
- Siding contractors in Auburn290 ranked
- Window installers in Auburn250 ranked
- Gutter installers in Auburn103 ranked
- Insulation contractors in Auburn48 ranked
- Solar installers in Auburn91 ranked
- Garage door repair companies in Auburn45 ranked
- Foundation repair companies in Auburn85 ranked
- Tree services in Auburn161 ranked
- Masonry contractors in Auburn183 ranked
- Water damage restoration companies in Auburn215 ranked
- Home builders in Auburn295 ranked
- Demolition contractors in Auburn46 ranked
- All contractors in Auburn