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Best HVAC Contractors in East Hartford, CT (2026)

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

The short answer

  1. 1

    Best overall in East Hartford: Degree Heating and Cooling, CR Score 65/100; 4.8★ from 1,302 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): HARP Home Services - Air Conditioning, Heating, Plumbing, & Electrical, posts 24/7 hours; ranked #2 of 474.

  3. 2

    Most-reviewed: HARP Home Services - Air Conditioning, Heating, Plumbing, & Electrical, 4,138 Google reviews at 4.5★, the most of 474 ranked; ranked #2.

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

474 East Hartford HVAC contractors are ranked here by CR Score, from ten published factors. 91 are open 24/7, 190 open Saturdays and 132 open Sundays, based on posted hours. The median Google rating is 4.7★ across 474 rated businesses.

Top 10 HVAC contractors in East Hartford at a glance

Top 10 HVAC contractors in East Hartford at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Degree Heating and Cooling654.8★ (1,302)Glastonbury, 5 mi away24/7Overall
2HARP Home Services - Air Conditioning, Heating, Plumbing, & Electrical644.5★ (4,138)Windsor, 7 mi away24/7Emergencies, Most reviews
3Call The Bee644.8★ (2,959)Farmington, 13 mi away24/7—
4SM Mechanical Services LLC634.8★ (618)Glastonbury, 5 mi away24/7—
5Total Mechanical Systems634.7★ (2,607)Plainville, 15 mi away24/7—
6Glasco Heating & Air Conditioning624.7★ (1,132)South Windsor, 4 mi awaySat · Sun · Evenings—
7Aiello Home Services- Plumbing, Heating, AC, Electrical & Drain Cleaning624.6★ (4,103)Windsor Locks, 9 mi awaySat · Sun · Evenings—
8Absolute Air Services, LLC624.9★ (1,027)Portland, 15 mi away24/7—
9Clog Master Plumbing, HVAC and Water Damage Restoration Services624.7★ (412)West Hartford, 6 mi away24/7—
10Marzano Plumbing & Heating llc624.9★ (656)East Hartford24/7—

The 474 best HVAC contractors in East Hartford, ranked

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

  1. Ranked #1 in East Hartford

    Based in Glastonbury, 5 mi away

    65/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.8★ from 1,302 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.8★ from 1,302 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    160 Oak St #508, Glastonbury, CT 06033
  2. 64/100CR Score

    Ranked #2 because of its Google rating and review volume: 4.5★ from 4,138 Google reviews, the most in East Hartford.

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

    • 4.5★ from 4,138 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    863 Marshall Phelps Rd, Windsor, CT 06095
  3. Based in Farmington, 13 mi away

    64/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.8★ from 2,959 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.8★ from 2,959 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    7 Eastview Dr, Farmington, CT 06032
  4. Based in Glastonbury, 5 mi away

    63/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.8★ from 618 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.8★ from 618 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    75 Naubuc Avenue Rear Unit, Glastonbury, CT 06033
  5. Based in Plainville, 15 mi away

    63/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.7★ from 2,607 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.7★ from 2,607 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    74 Northwest Dr, Plainville, CT 06062
  6. 62/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.6★ from 4,103 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.6★ from 4,103 Google reviews
    Hours
    Mon–Fri 6 AM–10 PM · Sat 7:30 AM–4:30 PM · Sun 7:30 AM–4 PM
    Address
    600 Old County Cir, Windsor Locks, CT 06096
  7. Based in Portland, 15 mi away

    62/100CR Score

    Ranked #8 because of its Google rating and trade focus: 4.9★ from 1,027 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.9★ from 1,027 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1116 Portland-Cobalt Rd, Portland, CT 06480
  8. 62/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.7★ from 412 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.7★ from 412 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    19b Andover Dr, West Hartford, CT 06110
  9. Based in Manchester, 4 mi away

    62/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.8★ from 172 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.8★ from 172 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    61 Loomis St, Manchester, CT 06042
  10. 61/100CR Score

    Ranked #12 because of its Google rating and trade focus: 4.7★ from 3,509 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.7★ from 3,509 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    90 Fisk Ave, Springfield, MA 01107
  11. Based in Bristol, 17 mi away

    61/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.8★ from 695 Google reviews, listed on Google as “Heating contractor”.

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

    • 4.8★ from 695 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    175 Spring St, Southington, CT 06489
  12. Based in West Hartford, 7 mi away

    60/100CR Score

    Ranked #16 because of its Google rating and trade focus: 4.4★ from 1,708 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.4★ from 1,708 Google reviews
    Hours
    Mon–Fri 7 AM–8 PM · Sat–Sun 9 AM–5 PM
    Address
    333 N Main St, West Hartford, CT 06117
  13. Based in Bristol, 16 mi away

    60/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.8★ from 389 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.8★ from 389 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    35 Wooster Ct Unit D, Bristol, CT 06010
  14. Based in Wethersfield, 6 mi away

    60/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.7★ from 100 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.7★ from 100 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    786 Silas Deane Hwy, Wethersfield, CT 06109
  15. Based in East Hartford

    59/100CR Score

    Ranked #21 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “HVAC contractor”.

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

    • 5.0★ from 15 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
  16. 59/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.8★ from 601 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.8★ from 601 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    21 N Plains Industrial Rd unit C, Wallingford, CT 06492
  17. Based in Hartford, 10 mi away

    59/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.9★ from 68 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.9★ from 68 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    88 Hoskins Rd, Bloomfield, CT 06002
  18. Based in Bristol, 6 mi away

    59/100CR Score

    Ranked #25 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “HVAC contractor”.

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

    • 5.0★ from 29 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days

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

HVAC contractors in East Hartford, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Omni Mechanical Services594.9★ (465)4 mi
27CNM Heating Cooling Piping LLC595.0★ (186)21 mi
28N&T Heating Cooling and Ventilation LLC595.0★ (24)5 mi
29Delponte Plumbing & Heating594.9★ (560)5 mi
30Benjamin Home Service584.8★ (119)In East Hartford
31DTS Oil & Gas Service & Solutions LLC585.0★ (150)21 mi
32Lowe's Air Duct Cleaning585.0★ (93)5 mi
33Clear River Fuel Oil584.5★ (47)In East Hartford
34Setpoint Refrigeration LLC585.0★ (55)14 mi
35TruComfort Heating and Cooling584.9★ (79)15 mi
36Nutmeg Mechanical Services Inc.584.7★ (142)5 mi
37Taylor Energy574.4★ (138)12 mi
38Bobby's Burner Service574.9★ (13)5 mi
39Ideal Mechanical Services LLC575.0★ (366)12 mi
40Aire Serv of North Central Connecticut574.9★ (466)9 mi
41Perfect Timing Heating & Cooling574.9★ (1,841)25 mi
42Clark's Heating574.8★ (63)15 mi
43Black Bear Heating & Air575.0★ (167)5 mi
44Superior Energy LLC574.9★ (451)10 mi
45Hyper Fusion Heating & Cooling, LLC575.0★ (80)21 mi
46Diamond Mechanical575.0★ (77)21 mi
47Cundiff HVAC574.4★ (23)7 mi
48Elite Comfort574.9★ (114)23 mi
49One Hour Heating & Air Conditioning® of Bristol574.9★ (684)14 mi
50Future Mechanical LLC574.7★ (27)11 mi

Also serving East Hartford

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 East Hartford
BusinessGoogle ratingDistance
AAA Plumbing, LLC3.3★ (25)7 mi
Berkshire Refrigeration Service4.6★ (57)21 mi
Brothers Mechanical Services5.0★ (1)In East Hartford
Corbett HVAC Services LLC4.4★ (80)21 mi
Cowan Family Plumbing & Heating5.0★ (2)11 mi
Deitch Energy LLC4.0★ (70)5 mi
Direct Home Services4.7★ (268)22 mi
Full CT Home ServicesIn East Hartford
High Tech Comfort LLC5.0★ (2)6 mi
Huse Inc.5.0★ (1)In East Hartford
Mobilio and Son HVAC4.7★ (112)23 mi
MR Heating & Cooling L.L.C.5.0★ (2)6 mi
Petro Home Services4.0★ (40)14 mi
Reliable Mechanical Contractors3.0★ (10)6 mi
Saucier Mechanical Services4.7★ (70)21 mi
Scotts Plumbing & Heating5.0★ (1)In East Hartford
SMR Heating And Cooling5.0★ (85)21 mi
Solution Controls, LLC.In East Hartford
State Air Conditioning Co3.5★ (2)7 mi
Trane Commercial Sales Office3.0★ (2)10 mi

How much do HVAC contractors cost in East Hartford?

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

How much do HVAC contractors cost in East Hartford?
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 East Hartford HVAC contractors

We scored 474 East Hartford 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 East Hartford 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 East Hartford: frequently asked questions

Who is the best HVAC contractor in East Hartford?

By CR Score, the highest-ranked HVAC contractor in East Hartford, CT is Degree Heating and Cooling with a CR Score of 65/100. It has 4.8★ from 1,302 Google reviews. It is open 24/7. HARP Home Services - Air Conditioning, Heating, Plumbing, & Electrical (#2) and Call The Bee (#3) follow. We ranked 474 HVAC contractors on ten factors, last updated October 22, 2026.

How many HVAC contractors are there in East Hartford?

ContractorsRanked ranks 474 HVAC contractors serving East Hartford, CT. 4 of them are based in East Hartford; 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 East Hartford are open 24/7?

91 ranked HVAC contractors in East Hartford post 24/7 hours. The highest-ranked are Degree Heating and Cooling (#1), HARP Home Services - Air Conditioning, Heating, Plumbing, & Electrical (#2) and Call The Bee (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in East Hartford work on weekends?

190 of 474 ranked HVAC contractors post Saturday hours and 132 post Sunday hours. The highest-ranked open Saturdays are Degree Heating and Cooling (#1), HARP Home Services - Air Conditioning, Heating, Plumbing, & Electrical (#2) and Call The Bee (#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 East Hartford?

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

What Google rating do East Hartford HVAC contractors have?

The median Google rating among 474 rated HVAC contractors in East Hartford is 4.7★, with a median of 19 reviews. HARP Home Services - Air Conditioning, Heating, Plumbing, & Electrical has the most, 4,138 reviews, and ranks #2. 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 East Hartford?

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 East Hartford

  1. October 2026: CR Scores recalculated for 474 hvac contractors serving East Hartford.
  2. October 2026: 3 duplicate listings merged.

More HVAC contractors and East Hartford pages

Other trades in East Hartford