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ContractorsRanked

Best HVAC Contractors in Westport, CT (2026)

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

The short answer

  1. 1

    Best overall in Westport: Astacio Heating, Cooling, Plumbing & Electrical, CR Score 64/100; 4.8★ from 1,998 Google reviews; open 7 days a week.

  2. 2

    Best for emergencies (open 24/7): Aire Serv of Southwest Connecticut, posts 24/7 hours; ranked #2 of 662.

  3. 15

    Most-reviewed: Bruni & Campisi, Inc., 3,366 Google reviews at 4.7★, the most of 662 ranked; ranked #15.

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

662 Westport HVAC contractors are ranked here by CR Score, from ten published factors. 196 are open 24/7, 363 open Saturdays and 262 open Sundays, based on posted hours. The median Google rating is 4.8★ across 662 rated businesses.

Top 10 HVAC contractors in Westport at a glance

Top 10 HVAC contractors in Westport at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Astacio Heating, Cooling, Plumbing & Electrical644.8★ (1,998)Norwalk, 4 mi awaySat · Sun · EveningsOverall
2Aire Serv of Southwest Connecticut644.8★ (565)Ansonia, 5 mi away24/7Emergencies
3Servco Oil & Propane635.0★ (133)Darien, 3 mi away24/7—
4Gault Energy & Home Solutions Gault Stone & Landscape Supplies634.8★ (1,206)WestportSat—
5Celco Heating & Air Conditioning624.7★ (861)Bridgeport, 11 mi away24/7—
6ENCON Heating and Air Conditioning624.9★ (529)Bridgeport, 12 mi away24/7—
7Air Solutions, Inc.624.8★ (718)Stamford, 12 mi away24/7—
8EXTRAVE Heating & Cooling625.0★ (209)Stamford, 10 mi away24/7—
9Climate Care, LLC614.6★ (171)Norwalk, 2 mi away24/7—
10HL Bowman Inc Plumbing Heating & AC614.7★ (1,151)Milford, 16 mi away24/7—

The 662 best HVAC contractors in Westport, 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.

  7. #7 Air Solutions, Inc.

    Based in Stamford, 12 mi away

    62/100CR Score

    Ranked #7 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

  9. #9 Climate Care, LLC

    Based in Norwalk, 2 mi away

    61/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.6★ from 171 Google reviews, listed on Google as “HVAC contractor”.

    • 4.6★ from 171 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    318 Strawberry Hill Ave, Norwalk, CT 06851
    View profile for Climate Care, LLC(203) 354-2020

  12. #12 Levco Oil & Propane

    Based in Trumbull, 13 mi away

    61/100CR Score

    Ranked #12 because of its Google rating and trade focus: 4.7★ from 590 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 590 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    55 Merritt Blvd, Trumbull, CT 06611
    View profile for Levco Oil & Propane(203) 533-8249

  14. #14 Edgerton, Inc.

    Based in Bethel, 15 mi away

    61/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.8★ from 555 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 555 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    786 Main St, Monroe, CT 06468
    View profile for Edgerton, Inc.(203) 268-6279

  18. #18 Service Stars

    Based in Danbury, 19 mi away

    61/100CR Score

    Ranked #18 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

  24. #24 HVAC Specialist Inc

    Based in Greenburgh, 23 mi away

    60/100CR Score

    Ranked #24 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

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

HVAC contractors in Westport, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Candito Plumbing and HVAC, LLC604.9★ (50)7 mi
27Robison604.5★ (1,257)19 mi
28Carmine’s Plumbing, Heating & Air Conditioning604.9★ (2,252)19 mi
29Sippin Energy Products604.9★ (2,594)13 mi
30Bertola Plumbing & Heating595.0★ (570)11 mi
31Aire Serv of Shelton594.8★ (347)20 mi
32Royal Comfort594.9★ (199)18 mi
33US Air Conditioning & Heating594.8★ (582)23 mi
34wtech22 Heating and Cooling595.0★ (111)9 mi
35Hands On Heating Inc.594.9★ (59)11 mi
36Maselli Contracting & HVAC LLC594.9★ (306)23 mi
37Ward Heating and Cooling LLC595.0★ (240)23 mi
38Around the Clock Air Conditioning & Heating, Inc.595.0★ (94)10 mi
39Evolution Air, LLC584.9★ (60)13 mi
40Giuliani Air Conditioning & Heating585.0★ (83)17 mi
41Lowe's Air Duct Cleaning584.9★ (97)3 mi
42Hellas Air Temp Inc584.8★ (540)4 mi
43Tyler Heating, Air Conditioning, Refrigeration LLC584.7★ (570)11 mi
44Standard Oil of Connecticut584.2★ (415)11 mi
45New England Smart Energy585.0★ (300)6 mi
46E & J Comfort Systems LLC585.0★ (42)13 mi
47A1 Heating and Air Conditioning584.9★ (125)21 mi
48T&H Mechanical Systems584.4★ (18)4 mi
49Brothers Fix It584.7★ (30)2 mi
50American Heating & AC585.0★ (6)2 mi

Also serving Westport

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 Westport
BusinessGoogle ratingDistance
A.E. Olsen Co., Inc. Service America4.8★ (170)25 mi
Accurate Heating & Cooling3.0★ (2)8 mi
Active Air LLC5.0★ (44)10 mi
Anthony Valenti heating&cooling5.0★ (2)3 mi
Bridgeport HVAC3.0★ (2)10 mi
C&C Service4.4★ (45)12 mi
County Comfort Services4.7★ (420)25 mi
Father & Son Plumbing & Heating3.0★ (2)5 mi
Hilltop Plumbing & Heating3.0★ (2)2 mi
JF Heating and cooling5.0★ (2)12 mi
JP's Plumbing and Heating, LLC4.5★ (2)11 mi
M P Electric5.0★ (2)12 mi
Master Mechanical LLC4.5★ (2)10 mi
Pdq Plumbing & Heating5.0★ (2)6 mi
Procaccini Plumbing Heating5.0★ (2)8 mi
SolvIt Home Services4.5★ (42)11 mi
Sunray Services - Air Conditioning and Heating4.5★ (494)23 mi
Total Comfort Heating & AC IncIn Westport
Warco Plumbing & Heating Inc5.0★ (2)9 mi
WBF Air Conditioning & Heating3.0★ (2)11 mi

How much do HVAC contractors cost in Westport?

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

How much do HVAC contractors cost in Westport?
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 Westport HVAC contractors

We scored 662 Westport 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 Westport 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 Westport: frequently asked questions

Who is the best HVAC contractor in Westport?

By CR Score, the highest-ranked HVAC contractor in Westport, CT is Astacio Heating, Cooling, Plumbing & Electrical with a CR Score of 64/100. It has 4.8★ from 1,998 Google reviews. It is open 7 days a week. Aire Serv of Southwest Connecticut (#2) and Servco Oil & Propane (#3) follow. We ranked 662 HVAC contractors on ten factors, last updated October 22, 2026.

How many HVAC contractors are there in Westport?

ContractorsRanked ranks 662 HVAC contractors serving Westport, CT. 1 of them is based in Westport; 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 Westport are open 24/7?

196 ranked HVAC contractors in Westport post 24/7 hours. The highest-ranked are Aire Serv of Southwest Connecticut (#2), Servco Oil & Propane (#3) and Celco Heating & Air Conditioning (#5). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Westport work on weekends?

363 of 662 ranked HVAC contractors post Saturday hours and 262 post Sunday hours. The highest-ranked open Saturdays are Astacio Heating, Cooling, Plumbing & Electrical (#1), Aire Serv of Southwest Connecticut (#2) and Servco Oil & Propane (#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 Westport?

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

What Google rating do Westport HVAC contractors have?

The median Google rating among 662 rated HVAC contractors in Westport is 4.8★, with a median of 18 reviews. Bruni & Campisi, Inc. has the most, 3,366 reviews, and ranks #15. 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 Westport?

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 Westport

  1. October 2026: CR Scores recalculated for 662 hvac contractors serving Westport.
  2. October 2026: 3 duplicate listings merged.

More HVAC contractors and Westport pages

Other trades in Westport