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Emergency HVAC Contractors in Rockville, CT (2026)

Top 50 of 382 HVAC contractors, in emergency orderUpdated 0 paid placements in this rankingHow we rank

25 of the 50 HVAC contractors on this list post 24/7 hours. 24/7 businesses come first, then same-day, each ranked by CR Score with availability weighted higher.

If you smell gas, leave the building now and call your gas utility or 911 from outside.

The short answer

  1. 1

    #1 for emergency heating and cooling in Rockville: HARP Home Services - Air Conditioning, Heating, Plumbing, & Electrical, open 24/7.

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

Top emergency HVAC contractors in Rockville at a glance

Top emergency HVAC contractors in Rockville at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1HARP Home Services - Air Conditioning, Heating, Plumbing, & Electrical644.5★ (4,138)Windsor, 12 mi away24/7
2Degree Heating and Cooling634.8★ (1,302)Glastonbury, 13 mi away24/7
3Hurley & David - Air Conditioning, Heating, Plumbing, & Electrical634.7★ (3,509)Springfield, 20 mi away24/7
4Call The Bee624.8★ (2,959)Farmington, 23 mi away24/7
5SM Mechanical Services LLC624.8★ (618)Glastonbury, 14 mi away24/7
6Wyman Energy Services Inc.624.8★ (172)Manchester, 7 mi away24/7
7Absolute Air Services, LLC614.9★ (1,027)Portland, 22 mi away24/7
8Total Mechanical Systems614.7★ (2,607)Plainville, 25 mi away24/7
9Limitless Mechanical Services615.0★ (64)Manchester, 6 mi away24/7
10CNM Heating Cooling Piping LLC605.0★ (186)Storrs, 14 mi away24/7

Call an emergency HVAC contractor in Rockville now

24/7 hours mean the business says its phone is answered around the clock. Arrival time depends on where the crew is. Ask for an arrival window when you call.

The 50 emergency HVAC contractors in Rockville, ranked

24/7 first, then same-day service, then the rest. Each group is in CR Score order on emergency weights. The full ranking of all 382 is on the HVAC contractors page.

Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  4. #4 Call The Bee

    Based in Farmington, 23 mi away

    62/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.8★ from 2,959 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 2,959 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    7 Eastview Dr, Farmington, CT 06032
    View profile for Call The Bee(860) 272-6402

  12. #12 Taylor Energy

    Based in Ellington, 7 mi away

    60/100CR Score

    Ranked #12 because of its Google rating and trade focus: 4.4★ from 138 Google reviews, listed on Google as “HVAC contractor”.

    • 4.4★ from 138 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    152 Broad Brook Rd, Broad Brook, CT 06016
    View profile for Taylor Energy(860) 623-3308

  18. #18 Cundiff HVAC

    Based in Farmington, 6 mi away

    58/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.4★ from 23 Google reviews, listed on Google as “HVAC contractor”.

    • 4.4★ from 23 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Cundiff HVAC(860) 730-1100

  19. #19 Preferred Propane

    Based in Ellington, 1 mi away

    58/100CR Score

    Ranked #19 because of its Google rating and trade focus: 3.6★ from 14 Google reviews, listed on Google as “HVAC contractor”.

    • 3.6★ from 14 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    64 Windsor Ave, Vernon, CT 06066
    View profile for Preferred Propane(860) 870-9276

Top 50 of 382 HVAC contractors by emergency score

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.

HVAC contractors in Rockville, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26N&T Heating Cooling and Ventilation LLC575.0★ (24)14 mi
27Soyka Sheetmetal575.0★ (29)15 mi
28Clean Air Mechanical574.6★ (59)18 mi
29Reliable Mechanical Contractors563.0★ (10)5 mi
30Becker's HVAC & Electrical Services LLC564.8★ (31)16 mi
31TruComfort Heating and Cooling564.9★ (79)23 mi
32Deitch Energy LLC564.0★ (70)15 mi
33Dyson's Oil Burner & Air Conditioning564.6★ (9)9 mi
34KSB Electric565.0★ (245)8 mi
35Action Air Systems, Inc.563.2★ (9)7 mi
36Setpoint Refrigeration LLC565.0★ (55)24 mi
37Clark's Heating564.8★ (63)23 mi
38Crown Point Heating And Cooling555.0★ (17)18 mi
39KB Plumbing and HVAC LLC555.0★ (8)13 mi
40Future Mechanical LLC554.7★ (27)22 mi
41Alternative Mechanical Services, LLC553.9★ (18)17 mi
42American Air Mechanical LLC543.9★ (17)18 mi
43Petro Home Services544.0★ (40)22 mi
44AAA Plumbing, LLC543.3★ (25)17 mi
45Apex Mechanical Services543.3★ (7)15 mi
46Callahan's Plumbing & Heating544.7★ (24)9 mi
47Cool Spaces Services545.0★ (15)22 mi
48Ambient Heating & Air Conditioning543.8★ (34)21 mi
49Tandem Mechanical Inc.543.9★ (40)22 mi
50HL Bowman Inc Plumbing Heating & AC534.4★ (7)19 mi

How we ranked emergency HVAC contractors in Rockville

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 HVAC contractors are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

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 from
Reputation15%Google star rating, adjusted for how many reviews back it
Credentials15%Active state license, bond and workers’ comp on file
Review volume10%Number of Google reviews, compared with the most-reviewed business on the list
Recency5%Share of reviews from the last 12 months
Availability15%Weekly open hours, Saturday, Sunday, 24/7 or same-day
Trade focus10%How clearly the business does this trade (its Google category and name)
Proximity5%Based in the city scores highest, less the farther away it is
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodically
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there are

Emergency HVAC contractors in Rockville: questions

Which HVAC contractors in Rockville are open 24/7?

25 on this list post 24/7 hours, including HARP Home Services - Air Conditioning, Heating, Plumbing, & Electrical, Degree Heating and Cooling, Hurley & David - Air Conditioning, Heating, Plumbing, & Electrical, Call The Bee and SM Mechanical Services LLC.

Who is ranked #1 for emergency heating and cooling in Rockville, CT?

HARP Home Services - Air Conditioning, Heating, Plumbing, & Electrical is #1, with a CR Score of 64 out of 100 on emergency weights.

How are emergency HVAC contractors in Rockville ranked?

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 HVAC contractors are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

What should I do before the HVAC contractor arrives?

If you smell gas, leave the building now and call your gas utility or 911 from outside.

How many emergency HVAC contractors here list a phone number?

25 of the 25 businesses ranked in full list a phone number. Tap Call to dial it.

Update log for Rockville

  1. October 2026: CR Scores recalculated for 382 hvac contractors serving Rockville.
  2. October 2026: 3 duplicate listings merged.

More emergency and heating and cooling pages