Skip to content
ContractorsRanked

Best HVAC Contractors in Montville Center, CT (2026)

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

The short answer

  1. 1

    Best overall in Montville Center: DTS Oil & Gas Service & Solutions LLC, CR Score 61/100; 5.0★ from 150 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Absolute Air Services, LLC, posts 24/7 hours; ranked #2 of 162.

  3. 32

    Most-reviewed: Benjamin Franklin Plumbing, 2,408 Google reviews at 4.7★, the most of 162 ranked; ranked #32.

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

162 Montville Center HVAC contractors are ranked here by CR Score, from ten published factors. 29 are open 24/7, 50 open Saturdays and 40 open Sundays, based on posted hours. The median Google rating is 4.6★ across 162 rated businesses.

Top 10 HVAC contractors in Montville Center at a glance

Top 10 HVAC contractors in Montville Center at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1DTS Oil & Gas Service & Solutions LLC615.0★ (150)Hebron, 12 mi away24/7Overall
2Absolute Air Services, LLC614.9★ (1,027)Portland, 24 mi away24/7Emergencies
3Kneeland heating & Cooling LLC614.6★ (169)Groton, 6 mi away24/7—
4HVAC Restorations LLC.605.0★ (33)Norwich, 5 mi away24/7—
5Connecticut HVAC Services llc594.6★ (107)Guilford, 8 mi away24/7—
6C&M Heating and Cooling, LLC594.6★ (28)Ledyard, 2 mi away24/7—
7CNM Heating Cooling Piping LLC595.0★ (186)Storrs, 21 mi away24/7—
8Broad Brook Heating & Cooling Inc584.9★ (175)Ledyard, 3 mi away——
9Carnot Heating584.6★ (9)Groton, 1 mi away24/7—
10Russ Energy575.0★ (8)East Haddam, 3 mi away24/7—

The 162 best HVAC contractors in Montville Center, 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.

  9. #9 Carnot Heating

    Based in Groton, 1 mi away

    58/100CR Score

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

    • 4.6★ from 9 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Carnot Heating(860) 917-5879

  10. #10 Russ Energy

    Based in East Haddam, 3 mi away

    57/100CR Score

    Ranked #10 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 8 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Russ Energy(860) 800-4737

  13. #13 DDLC Energy

    Based in New London, 9 mi away

    57/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.7★ from 422 Google reviews, listed on Google as “Air conditioning contractor”.

    • 4.7★ from 422 Google reviews
    Hours
    Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
    Address
    410 Bank St, New London, CT 06320
    View profile for DDLC Energy(866) 395-7220

  18. #18 Densmore Oil Company

    Based in Groton, 14 mi away

    56/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.9★ from 283 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 283 Google reviews
    Hours
    Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
    Address
    26 Old Stonington Rd, Stonington, CT 06378
    View profile for Densmore Oil Company(860) 536-7927

  19. #19 Wilcox Energy

    Based in Guilford, 20 mi away

    56/100CR Score

    Ranked #19 because of its Google rating and trade focus: 5.0★ from 467 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 467 Google reviews
    Hours
    Mon–Fri 7:30 AM–4 PM · Sat–Sun closed
    Address
    1179 Boston Post Rd, Westbrook, CT 06498
    View profile for Wilcox Energy(860) 399-6218

  24. #24 Brunelli Energy

    Based in Norwich, 7 mi away

    55/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.6★ from 30 Google reviews, listed on Google as “Heating contractor”.

    • 4.6★ from 30 Google reviews
    Hours
    Mon–Fri 8 AM–4:30 PM · Sat 8 AM–12 PM · Sun closed
    Address
    2 Rachel Dr, Bozrah, CT 06334
    View profile for Brunelli Energy(860) 889-4442

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 162 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in Montville Center, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Air Pro Services LLC554.6★ (9)14 mi
27Service Solutions LLC544.4★ (25)12 mi
28All-Star Plumbing, Heating & Cooling, Inc.545.0★ (64)11 mi
29Irie Energy Heating & Cooling, LLC545.0★ (67)12 mi
30Benvenuti Oil Co Inc544.6★ (118)10 mi
31Air Guarden545.0★ (59)7 mi
32Benjamin Franklin Plumbing544.7★ (2,408)20 mi
33Cool Spaces Services545.0★ (15)22 mi
34American Air Mechanical LLC543.9★ (17)16 mi
35Priority One Oil Heat Service, Inc.534.9★ (35)23 mi
36Millas Heating & Cooling LLC534.9★ (47)11 mi
37Uncasville Oil534.5★ (27)3 mi
38Best Energy533.8★ (32)18 mi
39Boss Heating & Cooling Inc534.9★ (280)24 mi
40TNT Heating & Cooling LLC535.0★ (9)9 mi
41E. M. Gas Services LLC535.0★ (12)23 mi
42Prime Time Heating, LLC535.0★ (15)25 mi
43Hometown Heating534.9★ (246)25 mi
44Benedetto Heating & AC LLC534.9★ (74)16 mi
4572 Degrees Air Conditioning & Heating534.2★ (16)10 mi
46BTW Plumbing, Heating, and Cooling LLC535.0★ (8)10 mi
47D&V Mechanical INC535.0★ (44)22 mi
48MIDKNIGHT OIL COMPANY534.6★ (9)10 mi
49KSB Electric535.0★ (245)24 mi
50Norwich Discount Oil534.1★ (60)5 mi

Also serving Montville Center

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.

Unranked HVAC contractors serving Montville Center
BusinessGoogle ratingDistance
All Seasons Heating & Cooling5.0★ (2)21 mi
Brayman Heating & Cooling, Inc3.0★ (2)7 mi
Chimney Works4.0★ (2)14 mi
Control/Temp3.3★ (4)17 mi
D J Mc Carthy Plumbing & Heating5.0★ (2)8 mi
E W Leonard Inc4.7★ (6)16 mi
Fitzpatrick Heating & Air Conditioning5.0★ (2)19 mi
Fresh Air Mechanical5.0★ (1)2 mi
Hank's Plumbing & Heating Services5.0★ (2)15 mi
JDS Unlimited1.0★ (1)9 mi
MDK Mechancial LLC5.0★ (3)11 mi
Muscarella Plumbing & Heating Inc4.0★ (4)6 mi
Mystic Plumbing & Heating5.0★ (2)12 mi
Norwich Plumbing & Heating5.0★ (1)7 mi
Rainville Plumbing & Heating5.0★ (4)9 mi
RC Mechanical5.0★ (1)2 mi
SLS HEATING LLC- 24 HOUR EMERGENCY SERVICE3.4★ (62)4 mi
Sussman & Perry Inc5.0★ (2)18 mi
Valley Heating & Cooling Inc3.9★ (56)25 mi
Villa & Sons4.0★ (4)16 mi

How much do HVAC contractors cost in Montville Center?

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

How much do HVAC contractors cost in Montville Center?
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

How to check an HVAC contractor's license in Connecticut

In Connecticut, Connecticut Department of Consumer Protection licenses Heating, piping, cooling and sheet metal licenses.

  1. Search the business name or license number on the Connecticut Department of Consumer Protection license lookup.
  2. Check that the status is active and the name matches the contract or truck.
  3. Ask for proof of insurance before work starts.

No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.

Guide checked October 2026. How we verify licenses

When to hire an HVAC contractor in Connecticut

In Connecticut, 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 Montville Center HVAC contractors

We scored 162 Montville Center 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 Montville Center 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 Montville Center: frequently asked questions

Who is the best HVAC contractor in Montville Center?

By CR Score, the highest-ranked HVAC contractor in Montville Center, CT is DTS Oil & Gas Service & Solutions LLC with a CR Score of 61/100. It has 5.0★ from 150 Google reviews. It is open 24/7. Absolute Air Services, LLC (#2) and Kneeland heating & Cooling LLC (#3) follow. We ranked 162 HVAC contractors on ten factors, last updated October 22, 2026.

How many HVAC contractors are there in Montville Center?

ContractorsRanked ranks 162 HVAC contractors serving Montville Center, CT. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which HVAC contractors in Montville Center are open 24/7?

29 ranked HVAC contractors in Montville Center post 24/7 hours. The highest-ranked are DTS Oil & Gas Service & Solutions LLC (#1), Absolute Air Services, LLC (#2) and Kneeland heating & Cooling LLC (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Montville Center work on weekends?

50 of 162 ranked HVAC contractors post Saturday hours and 40 post Sunday hours. The highest-ranked open Saturdays are DTS Oil & Gas Service & Solutions LLC (#1), Absolute Air Services, LLC (#2) and Kneeland heating & Cooling LLC (#3). Posted hours are office hours; crews may book weekend jobs separately.

How do I check an HVAC contractor's license in Connecticut?

In Connecticut, Connecticut Department of Consumer Protection handles licensing and covers Heating, piping, cooling and sheet metal licenses. Search the business or license number at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx.

How much does ac replacement cost in Montville Center?

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

What Google rating do Montville Center HVAC contractors have?

The median Google rating among 162 rated HVAC contractors in Montville Center is 4.6★, with a median of 17 reviews. Benjamin Franklin Plumbing has the most, 2,408 reviews, and ranks #32. 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 Montville Center?

In Connecticut, 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.

Update log for Montville Center

  1. October 2026: CR Scores recalculated for 162 hvac contractors serving Montville Center.
  2. October 2026: 3 duplicate listings merged.

More HVAC contractors and Montville Center pages

Other trades in Montville Center