65/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 7,956 Google reviews, the most in Litchfield.
- 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 Litchfield, NH (2026)
539 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Litchfield: 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 539.
- 15
Most-reviewed: Joyce Cooling & Heating Inc., 5,079 Google reviews at 4.9★, the most of 539 ranked after Heritage Home Service; ranked #15.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
539 Litchfield HVAC contractors are ranked here by CR Score, from ten published factors. 150 are open 24/7, 258 open Saturdays and 185 open Sundays, based on posted hours. The median Google rating is 4.9★ across 539 rated businesses.
Top 10 HVAC contractors in Litchfield at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Heritage Home Service | 65 | 4.8★ (7,956) | Auburn, 10 mi away | 24/7 | Overall |
| 2 | High Ground Service Pros - Plumbers Electricians & HVAC Technicians | 64 | 4.9★ (2,303) | Manchester, 10 mi away | 24/7 | Emergencies |
| 3 | Ferris Plumbing, Heating & Air | 64 | 4.9★ (320) | Litchfield | 24/7 | — |
| 4 | Walley's Heating & Air | 63 | 4.9★ (793) | Nashua, 6 mi away | 24/7 | — |
| 5 | Sanford Temperature Control | 63 | 4.9★ (1,832) | Milford, 11 mi away | 24/7 | — |
| 6 | A. Fagundes Plumbing & Heating Inc. | 63 | 4.9★ (348) | Nashua, 5 mi away | 24/7 | — |
| 7 | Wilson Brothers Heating & Air Conditioning, Inc. | 63 | 4.9★ (1,275) | Fitchburg, 12 mi away | 24/7 | — |
| 8 | A.J. LeBlanc Heating, A/C, Plumbing & Electrical | 62 | 4.8★ (683) | Bedford, 8 mi away | 24/7 | — |
| 9 | A. Fagundes Plumbing & Heating Inc. | 62 | 4.8★ (1,626) | Billerica, 13 mi away | 24/7 | — |
| 10 | MillTown Plumbing, Heating, Cooling and Electrical | 62 | 4.8★ (2,927) | Chelmsford, 17 mi away | 24/7 | — |
The 539 best HVAC contractors in Litchfield, 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, 10 mi away
64/100CR 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 Litchfield
64/100CR ScoreRanked #3 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, 6 mi away
63/100CR ScoreRanked #4 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 Milford, 11 mi away
63/100CR ScoreRanked #5 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, 5 mi away
63/100CR ScoreRanked #6 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 Fitchburg, 12 mi away
63/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 1,275 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 1,275 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 35 Lomar Park Dr, Pepperell, MA 01463
Based in Bedford, 8 mi away
62/100CR ScoreRanked #8 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 Billerica, 13 mi away
62/100CR ScoreRanked #9 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 Chelmsford, 17 mi away
62/100CR ScoreRanked #10 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 Manchester, 10 mi away
62/100CR 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 Londonderry, 8 mi away
62/100CR ScoreRanked #12 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 Acton, 23 mi away
61/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 3,978 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 3,978 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1220 Liberty Square Rd, Boxborough, MA 01719
Based in Manchester, 9 mi away
61/100CR ScoreRanked #14 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 Nashua, 7 mi away
61/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 5,079 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 5,079 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat–Sun closed
- Address
- 51 Lake St, Nashua, NH 03060
Based in Chester, 14 mi away
60/100CR ScoreRanked #16 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 Wilmington, 24 mi away
60/100CR ScoreRanked #17 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, 10 mi away
60/100CR ScoreRanked #18 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 Derry, 9 mi away
60/100CR ScoreRanked #19 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 Billerica, 20 mi away
60/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 476 Google reviews, listed on Google as “Heating contractor”.
- 5.0★ from 476 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 98 Billerica Ave B, North Billerica, MA 01862
Based in Haverhill, 19 mi away
60/100CR ScoreRanked #21 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 Chelmsford, 19 mi away
60/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 443 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 443 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 80 Brick Kiln Rd, Chelmsford, MA 01824
Based in Chelmsford, 13 mi away
60/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.7★ from 427 Google reviews, listed on Google as “HVAC contractor”.
- 4.7★ from 427 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 21 Westech Dr, Tyngsborough, MA 01879
Based in Acton, 20 mi away
60/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 1,833 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 1,833 Google reviews
- Hours
- Mon–Sun 7 AM–10 PM
- Address
- 527 Great Rd, Littleton, MA 01460
Based in North Andover, 22 mi away
60/100CR ScoreRanked #25 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
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 539 ranked HVAC contractors here; the rest are on their profiles.
Also serving Litchfield
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 |
| Aire Serv of Nashua and Salem | 4.1★ (14) | 6 mi |
| Allied plumbing and heating | 5.0★ (2) | 7 mi |
| Ayotte Plumbing Heating and Air Conditioning | 4.5★ (102) | 15 mi |
| Borelli Plumbing & Heating | 5.0★ (2) | 8 mi |
| Denommee Plumbing, HVAC & Electric | 4.9★ (51) | 10 mi |
| Dwelling Doctor LLC | In Litchfield | |
| Fusion Mechanical Services | 3.0★ (2) | 8 mi |
| GM Sweet Plumbing LLC | 4.8★ (10) | In Litchfield |
| Harley Weymouth Plumbing & Heating | 5.0★ (2) | 13 mi |
| Homeworks Heating and Air Conditioning | 3.0★ (2) | 12 mi |
| HVAC Unlimited LLC | 5.0★ (2) | 14 mi |
| In Hot Water | In Litchfield | |
| James Gardner Plumbing & Heating LLC | 5.0★ (2) | 13 mi |
| JLEMOS HVAC | 5.0★ (2) | 9 mi |
| Kj's Energy Savers LLC | 5.0★ (2) | In Litchfield |
| Mikey Pipes Plumbing & Heating LLC | 5.0★ (2) | In Litchfield |
| Nick’s Heating and Cooling | 5.0★ (2) | 10 mi |
| Patriot Heating & Cooling, LLC | 4.8★ (174) | 18 mi |
| Purple HVAC | 5.0★ (2) | 6 mi |
How much do HVAC contractors cost in Litchfield?
National price ranges in USD, not adjusted for Litchfield. 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 Litchfield HVAC contractors
We scored 539 Litchfield 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 Litchfield 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 Litchfield: frequently asked questions
Who is the best HVAC contractor in Litchfield?
By CR Score, the highest-ranked HVAC contractor in Litchfield, 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 Ferris Plumbing, Heating & Air (#3) follow. We ranked 539 HVAC contractors on ten factors, last updated October 22, 2026.
How many HVAC contractors are there in Litchfield?
ContractorsRanked ranks 539 HVAC contractors serving Litchfield, NH. 3 of them are based in Litchfield; 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 Litchfield are open 24/7?
150 ranked HVAC contractors in Litchfield post 24/7 hours. The highest-ranked are Heritage Home Service (#1), High Ground Service Pros - Plumbers Electricians & HVAC Technicians (#2) and Ferris Plumbing, Heating & Air (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which HVAC contractors in Litchfield work on weekends?
258 of 539 ranked HVAC contractors post Saturday hours and 185 post Sunday hours. The highest-ranked open Saturdays are Heritage Home Service (#1), High Ground Service Pros - Plumbers Electricians & HVAC Technicians (#2) and Ferris Plumbing, Heating & Air (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does ac replacement cost in Litchfield?
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 Litchfield. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Litchfield HVAC contractors have?
The median Google rating among 539 rated HVAC contractors in Litchfield 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 Litchfield?
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 Litchfield
- October 2026: CR Scores recalculated for 539 hvac contractors serving Litchfield.
- October 2026: 6 duplicate listings merged.
More HVAC contractors and Litchfield pages
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- Electricians in Litchfield350 ranked
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- Kitchen remodelers in Litchfield260 ranked
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- Drywall contractors in Litchfield17 ranked
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- Deck builders in Litchfield145 ranked
- Siding contractors in Litchfield448 ranked
- Window installers in Litchfield360 ranked
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- Solar installers in Litchfield129 ranked
- Garage door repair companies in Litchfield46 ranked
- Foundation repair companies in Litchfield144 ranked
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- All contractors in Litchfield