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Best HVAC Contractors in Keene, NH (2026)

36 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Keene: Bergeron Mechanical Systems, CR Score 63/100; 5.0★ from 521 Google reviews.

  2. 3

    Best for emergencies (open 24/7): Red's Of Jaffrey LLC, posts 24/7 hours; ranked #3 of 36.

  3. 2

    Most-reviewed: We Clean Heat Pumps – Vermont Statewide, 379 Google reviews at 4.9★, the most of 36 ranked after Bergeron Mechanical Systems; ranked #2.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

36 Keene HVAC contractors are ranked here by CR Score, from ten published factors. 8 are open 24/7, 10 open Saturdays and 6 open Sundays, based on posted hours. The median Google rating is 4.6★ across 36 rated businesses.

Top 10 HVAC contractors in Keene at a glance

Top 10 HVAC contractors in Keene at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Bergeron Mechanical Systems635.0★ (521)Keene—Overall
2We Clean Heat Pumps – Vermont Statewide584.9★ (379)Rockingham, 15 mi away—Most reviews
3Red's Of Jaffrey LLC584.5★ (58)New Ipswich, 15 mi away24/7Emergencies
4Thomas Northeast Mechanical585.0★ (26)Rockingham, 17 mi away24/7—
5Sorby & Son Heating575.0★ (48)New Ipswich, 15 mi away——
6Lawrence Brothers Plumbing & Heating563.7★ (19)Keene——
7Swanzey Oil544.3★ (33)Swanzey, 6 mi away——
8Casey Bashaw Plumbing Heating544.6★ (27)Athol, 24 mi away24/7—
9On Point Heating & Cooling545.0★ (10)New Ipswich, 13 mi away24/7—
10Bruce's Burner Services534.6★ (32)Athol, 21 mi away——

The 36 best HVAC contractors in Keene, ranked

Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.

  1. Ranked #1 in Keene

    Based in Keene

    63/100CR Score

    Ranked #1 because of its Google rating and review volume: 5.0★ from 521 Google reviews, the most in Keene.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 521 Google reviews
    Hours
    Mon closed · Tue–Fri 7 AM–4 PM · Sat–Sun closed
    Address
    216 Marlboro St Suite 3, Keene, NH 03431
  2. Based in New Ipswich, 15 mi away

    58/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.5★ from 58 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.5★ from 58 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    12 River St, Jaffrey, NH 03452
  3. Based in Rockingham, 17 mi away

    58/100CR Score

    Ranked #4 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 26 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    10 Ash St, North Walpole, NH 03609
  4. Based in New Ipswich, 15 mi away

    57/100CR Score

    Ranked #5 because of its Google rating and trade focus: 5.0★ from 48 Google reviews, listed on Google as “Heating contractor”.

    Based on 7 of 10 factors; credentials, recency and availability not yet collected.

    • 5.0★ from 48 Google reviews
    Address
    21 Erin Ln, Jaffrey, NH 03452
  5. Based in Swanzey, 6 mi away

    54/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.3★ from 33 Google reviews, listed on Google as “Heating contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.3★ from 33 Google reviews
    Hours
    Mon–Thu 8 AM–4 PM · Fri 8 AM–3:30 PM · Sat–Sun closed
    Address
    919 W Swanzey Rd, Swanzey, NH 03446
  6. Based in Athol, 21 mi away

    53/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.6★ from 32 Google reviews, listed on Google as “Heating contractor”.

    Based on 7 of 10 factors; credentials, recency and availability not yet collected.

    • 4.6★ from 32 Google reviews
    Address
    35 Goodrich St, Winchendon, MA 01475
  7. Based in New Ipswich, 22 mi away

    53/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.7★ from 36 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.7★ from 36 Google reviews
    Hours
    Mon–Sat 9 AM–5 PM · Sun closed
    Address
    125 Huse Rd, New Ipswich, NH 03071
  8. Based in Rockingham, 2 mi away

    53/100CR Score

    Ranked #12 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 4 Google reviews
    Hours
    Mon–Fri 8 AM–5:30 PM · Sat–Sun closed
  9. Based in Ashburnham, 25 mi away

    53/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.4★ from 7 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    8 Blue Ave, Ashburnham, MA 01430
  10. Based in Swanzey, 9 mi away

    52/100CR Score

    Ranked #14 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 9 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    178 Prospect St, Troy, NH 03465
  11. Based in Rockingham, 16 mi away

    52/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.5★ from 37 Google reviews, listed on Google as “Heating contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.5★ from 37 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    4 Green St, Bellows Falls, VT 05101
  12. Based in Rockingham, 14 mi away

    52/100CR Score

    Ranked #16 because of its Google rating and trade focus: 4.9★ from 16 Google reviews, listed on Google as “Air conditioning contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 16 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    279 Main St, Walpole, NH 03608
  13. Based in Weare, 23 mi away

    52/100CR Score

    Ranked #17 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 20 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    271 Deering Center Rd, Deering, NH 03244
  14. Based in Athol, 24 mi away

    52/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.4★ from 27 Google reviews, listed on Google as “Heating contractor”.

    Based on 7 of 10 factors; credentials, recency and availability not yet collected.

    • 4.4★ from 27 Google reviews
    Address
    131 W Main St # 103, Orange, MA 01364
  15. Based in Rockingham, 15 mi away

    51/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.4★ from 25 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.4★ from 25 Google reviews
    Hours
    Mon–Fri 8 AM–1 PM · Sat–Sun closed
    Address
    260 River St, Langdon, NH 03602
  16. Based in Brattleboro, 17 mi away

    51/100CR Score

    Ranked #20 because of its Google rating and trade focus: 3.5★ from 17 Google reviews, listed on Google as “Heating contractor”.

    Based on 7 of 10 factors; credentials, recency and availability not yet collected.

    • 3.5★ from 17 Google reviews
    Address
    1090 Western Ave, Brattleboro, VT 05301
  17. Based in Rockingham, 16 mi away

    50/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.6★ from 9 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    18 Oak St, Bellows Falls, VT 05101
  18. Based in Swanzey, 5 mi away

    50/100CR Score

    Ranked #24 because of its Google rating and trade focus: 3.7★ from 6 Google reviews, listed on Google as “Plumber”.

    Based on 7 of 10 factors; credentials, recency and availability not yet collected.

    • 3.7★ from 6 Google reviews
    Address
    31 Pine St, Swanzey, NH 03446
  19. Based in Rindge, 19 mi away

    50/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.1★ from 21 Google reviews, listed on Google as “Heating contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.1★ from 21 Google reviews
    Hours
    Mon–Fri 7:30 AM–4 PM · Sat–Sun closed
    Address
    1032 NH-119, Rindge, NH 03461

All 36 HVAC contractors

#1 to #25 are shown in full above. Here are #26 to #36, in CR Score order; each links to its profile.

HVAC contractors in Keene, ranks 26 to 36
RankBusinessCR ScoreGoogle ratingDistance
26Barrows & Fisher Oil505.0★ (5)15 mi
27Townsley Plumbing & Heating495.0★ (3)22 mi
28Adrian Pinney Plumbing & Heating494.4★ (13)17 mi
29Quabbin Valley Plumbing & Heating484.1★ (14)24 mi
30Rick Sorger's Professional Heating485.0★ (3)25 mi
31Wild Dogs Plumbing & Heating483.0★ (4)24 mi
32Bartlett Heating & Plumbi474.0★ (7)24 mi
33Unity Plumbing and Heating474.6★ (9)24 mi
34Brian Linstad Plumbing Heating & Drain Cleaning464.1★ (13)24 mi
35Jeff Wilder Plumbing & Heating454.0★ (8)17 mi
36Highridge Plumbing & Heating445.0★ (3)20 mi

Also serving Keene

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.

How much do HVAC contractors cost in Keene?

National price ranges in USD, not adjusted for Keene. Each row names its basis and the month we checked it.

How much do HVAC contractors cost in Keene?
JobLowTypicalHighBasisChecked
AC replacement$3,887$5,978$8,073Per system, installed (unit plus labor); typical range of customer-reported jobs. US national rangeOctober 2026
Furnace replacement$2,823$4,814$6,896Per system, installed; typical range of customer-reported jobs. US national rangeOctober 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 Keene HVAC contractors

We scored 36 Keene 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Keene data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

HVAC contractors in Keene: frequently asked questions

Who is the best HVAC contractor in Keene?

By CR Score, the highest-ranked HVAC contractor in Keene, NH is Bergeron Mechanical Systems with a CR Score of 63/100. It has 5.0★ from 521 Google reviews. We Clean Heat Pumps – Vermont Statewide (#2) and Red's Of Jaffrey LLC (#3) follow. We ranked 36 HVAC contractors on ten factors, last updated October 22, 2026.

How many HVAC contractors are there in Keene?

ContractorsRanked ranks 36 HVAC contractors serving Keene, NH. 2 of them are based in Keene; 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 Keene are open 24/7?

8 ranked HVAC contractors in Keene post 24/7 hours. The highest-ranked are Red's Of Jaffrey LLC (#3), Thomas Northeast Mechanical (#4) and Casey Bashaw Plumbing Heating (#8). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Keene work on weekends?

10 of 36 ranked HVAC contractors post Saturday hours and 6 post Sunday hours. The highest-ranked open Saturdays are Red's Of Jaffrey LLC (#3), Thomas Northeast Mechanical (#4) and Casey Bashaw Plumbing Heating (#8). Posted hours are office hours; crews may book weekend jobs separately.

How much does ac replacement cost in Keene?

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 Keene. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Keene HVAC contractors have?

The median Google rating among 36 rated HVAC contractors in Keene is 4.6★, with a median of 15 reviews. Bergeron Mechanical Systems has the most, 521 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 Keene?

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 Keene

  1. October 2026: CR Scores recalculated for 36 hvac contractors serving Keene.
  2. October 2026: 1 duplicate listing merged.