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Best HVAC Contractors in North Stamford, CT (2026)

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

The short answer

  1. 1

    Best overall in North Stamford: Air Solutions, Inc., CR Score 63/100; 4.8★ from 718 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Sila Heating, Air Conditioning, Plumbing & Electrical, posts 24/7 hours; ranked #2 of 730.

  3. 4

    Most-reviewed: Bruni & Campisi, Inc., 3,366 Google reviews at 4.7★, the most of 730 ranked; ranked #4.

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

730 North Stamford HVAC contractors are ranked here by CR Score, from ten published factors. 233 are open 24/7, 416 open Saturdays and 300 open Sundays, based on posted hours. The median Google rating is 4.8★ across 730 rated businesses.

Top 10 HVAC contractors in North Stamford at a glance

Top 10 HVAC contractors in North Stamford at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Air Solutions, Inc.634.8★ (718)Stamford, 7 mi away24/7Overall
2Sila Heating, Air Conditioning, Plumbing & Electrical634.8★ (1,821)White Plains, 13 mi away24/7Emergencies
3Astacio Heating, Cooling, Plumbing & Electrical634.8★ (1,998)Norwalk, 8 mi awaySat · Sun · Evenings—
4Bruni & Campisi, Inc.634.7★ (3,366)Greenburgh, 15 mi away24/7Most reviews
5EXTRAVE Heating & Cooling635.0★ (209)Stamford, 6 mi away24/7—
6ENCON Heating and Air Conditioning634.9★ (529)Bridgeport, 11 mi away24/7—
7ENCON Heating and Air Conditioning634.9★ (211)Stamford, 5 mi away24/7—
8Pickwick Plumbing & Heating625.0★ (297)Greenwich, 10 mi away24/7—
9Green Mechanicals Heating & Cooling LLC624.8★ (179)Stamford, 3 mi away24/7—
10AMHAC624.9★ (1,440)Eastchester, 19 mi away24/7—

The 730 best HVAC contractors in North Stamford, 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.

  1. Ranked #1 in North Stamford

    #1 Air Solutions, Inc.

    Based in Stamford, 7 mi away

    63/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.8★ from 718 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 718 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    430 Fairfield Ave, Stamford, CT 06902
    View profile for Air Solutions, Inc.(203) 357-8853

  10. #10 AMHAC

    Based in Eastchester, 19 mi away

    62/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.9★ from 1,440 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 1,440 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    365 White Plains Rd, Eastchester, NY 10709
    View profile for AMHAC(914) 337-5555

  11. #11 HVAC Specialist Inc

    Based in Greenburgh, 13 mi away

    62/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.9★ from 549 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 549 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    8 Sunset Pl, Hawthorne, NY 10532
    View profile for HVAC Specialist Inc(914) 666-7667

  12. #12 Yost & Campbell

    Based in Bronxville, 22 mi away

    62/100CR Score

    Ranked #12 because of its Google rating and trade focus: 4.8★ from 2,459 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 2,459 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    20 Brookdale Pl, Mt Vernon, NY 10550
    View profile for Yost & Campbell(914) 901-3813

  16. #16 Robison

    Based in Port Chester, 12 mi away

    61/100CR Score

    Ranked #16 because of its Google rating and trade focus: 4.5★ from 1,257 Google reviews, listed on Google as “HVAC contractor”.

    • 4.5★ from 1,257 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    One Gateway Plaza 4th floor, Port Chester, NY 10573
    View profile for Robison(914) 345-5700

  18. #18 Royal Comfort

    Based in Port Chester, 11 mi away

    61/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.9★ from 199 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 199 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    70 Putnam Ave, Port Chester, NY 10573
    View profile for Royal Comfort(914) 299-8600

  21. #21 Service Stars

    Based in Danbury, 19 mi away

    60/100CR Score

    Ranked #21 because of its Google rating and trade focus: 4.9★ from 1,350 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 1,350 Google reviews
    Hours
    Mon–Sun 7:30 AM–10 PM
    Address
    43C Beaver Brook Rd, Danbury, CT 06810
    View profile for Service Stars(475) 242-2933

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

HVAC contractors in North Stamford, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Around the Clock Air Conditioning & Heating, Inc.605.0★ (94)5 mi
27Climate Care, LLC604.6★ (171)8 mi
28Evolution Air, LLC604.9★ (60)7 mi
29Celco Heating & Air Conditioning604.7★ (861)20 mi
30Hefferon Heating & Cooling LLC604.9★ (380)20 mi
31Edgerton, Inc.604.8★ (555)21 mi
32G.C. Reliable Service594.8★ (449)20 mi
33Carmine’s Plumbing, Heating & Air Conditioning594.9★ (2,252)20 mi
34Bell Mechanical594.6★ (640)18 mi
35County Comfort Services594.7★ (420)18 mi
36MGC Heating and Air Conditioning LLC594.9★ (94)13 mi
37HL Bowman Inc Plumbing Heating & AC594.7★ (1,151)25 mi
38Levco Oil & Propane594.7★ (590)22 mi
39N&N Heating and Cooling594.9★ (43)9 mi
40Smart Air Technologies HVAC595.0★ (147)10 mi
41Metro-Aire Heating & Air Conditioning585.0★ (173)22 mi
42Comfort Experts Heating And Cooling585.0★ (107)19 mi
43Leak Off Plumbing & Heating585.0★ (86)18 mi
44SERVCON LLC.585.0★ (241)4 mi
45E & J Comfort Systems LLC585.0★ (42)13 mi
46Perfect Air Solutions584.9★ (36)11 mi
47Wesco 53 Heat Pump & AC Repair585.0★ (70)17 mi
48Sippin Energy Products584.9★ (2,594)19 mi
49Air Docs, Inc.585.0★ (105)21 mi
50C&C Service584.4★ (45)7 mi

Also serving North Stamford

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 North Stamford
BusinessGoogle ratingDistance
Accurate Heating & Cooling3.0★ (2)3 mi
Affordable Heating Cooling & Appliances4.5★ (56)10 mi
Agape A/C Heating & Plumbing Contractors4.0★ (2)In North Stamford
Anthony Valenti heating&cooling5.0★ (2)7 mi
Around The Clock Air conditioning & Heating,inc.5.0★ (2)6 mi
Bertola Plumbing & Heating5.0★ (570)18 mi
Cottam Heating & Air Conditioning Inc4.7★ (289)24 mi
Father & Son Plumbing & Heating3.0★ (2)7 mi
Hilltop Plumbing & Heating3.0★ (2)8 mi
JP's Plumbing and Heating, LLC4.5★ (2)10 mi
Master Plumbing Heating Cooling4.5★ (398)21 mi
Mount Pleasant - Heating and Cooling5.0★ (2)10 mi
Murphy Plumbing and HeatingIn North Stamford
Quality Comfort Solutions5.0★ (2)10 mi
Top Quality Heating & Air Conditioning5.0★ (2)10 mi
Tyler Heating, Air Conditioning, Refrigeration LLC4.7★ (570)21 mi
VOLCANO Heating & Air Conditioning4.9★ (27)11 mi
Warco Plumbing & Heating Inc5.0★ (2)3 mi
WBF Air Conditioning & Heating3.0★ (2)3 mi
wtech22 Heating and Cooling5.0★ (111)18 mi

How much do HVAC contractors cost in North Stamford?

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

How much do HVAC contractors cost in North Stamford?
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 North Stamford HVAC contractors

We scored 730 North Stamford 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 North Stamford 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 North Stamford: frequently asked questions

Who is the best HVAC contractor in North Stamford?

By CR Score, the highest-ranked HVAC contractor in North Stamford, CT is Air Solutions, Inc. with a CR Score of 63/100. It has 4.8★ from 718 Google reviews. It is open 24/7. Sila Heating, Air Conditioning, Plumbing & Electrical (#2) and Astacio Heating, Cooling, Plumbing & Electrical (#3) follow. We ranked 730 HVAC contractors on ten factors, last updated October 22, 2026.

How many HVAC contractors are there in North Stamford?

ContractorsRanked ranks 730 HVAC contractors serving North Stamford, CT. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which HVAC contractors in North Stamford are open 24/7?

233 ranked HVAC contractors in North Stamford post 24/7 hours. The highest-ranked are Air Solutions, Inc. (#1), Sila Heating, Air Conditioning, Plumbing & Electrical (#2) and Bruni & Campisi, Inc. (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in North Stamford work on weekends?

416 of 730 ranked HVAC contractors post Saturday hours and 300 post Sunday hours. The highest-ranked open Saturdays are Air Solutions, Inc. (#1), Sila Heating, Air Conditioning, Plumbing & Electrical (#2) and Astacio Heating, Cooling, Plumbing & Electrical (#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 North Stamford?

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

What Google rating do North Stamford HVAC contractors have?

The median Google rating among 730 rated HVAC contractors in North Stamford is 4.8★, with a median of 17 reviews. Bruni & Campisi, Inc. has the most, 3,366 reviews, and ranks #4. 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 North Stamford?

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 North Stamford

  1. October 2026: CR Scores recalculated for 730 hvac contractors serving North Stamford.
  2. October 2026: 4 duplicate listings merged.

More HVAC contractors and North Stamford pages

Other trades in North Stamford