Skip to content
ContractorsRanked

Best HVAC Contractors in Cos Cob, CT (2026)

1,276 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Cos Cob: Air Solutions, Inc., CR Score 91/100; 4.8★ from 718 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Pickwick Plumbing & Heating, posts 24/7 hours; ranked #2 of 1,276.

  3. 10

    Most-reviewed: Universe Home Services, 6,771 Google reviews at 4.8★, the most of 1,276 ranked; ranked #10.

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

1,276 Cos Cob HVAC contractors are ranked here by CR Score, from 8 published factors. 400 are open 24/7, 757 open Saturdays and 556 open Sundays, based on posted hours. The median Google rating is 4.8★ across 1,276 rated businesses.

Top 10 HVAC contractors in Cos Cob at a glance

Top 10 HVAC contractors in Cos Cob at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Air Solutions, Inc.914.8★ (718)Stamford, 3 mi away24/7Overall
2Pickwick Plumbing & Heating915.0★ (297)Greenwich, 3 mi away24/7Emergencies
3Sila Heating, Air Conditioning, Plumbing & Electrical914.8★ (1,821)White Plains, 9 mi away24/7—
4AMHAC914.9★ (1,440)Eastchester, 13 mi away24/7—
5Bruni & Campisi, Inc.904.7★ (3,366)Greenburgh, 12 mi away24/7—
6EXTRAVE Heating & Cooling905.0★ (209)Stamford, 4 mi away24/7—
7Tragar Home Services904.9★ (3,757)Hicksville, 20 mi away24/7—
8Yost & Campbell904.8★ (2,459)Bronxville, 15 mi away24/7—
9Royal Comfort904.9★ (199)Port Chester, 4 mi away24/7—
10Universe Home Services904.8★ (6,771)Farmingdale, 22 mi away24/7Most reviews

The 1,276 best HVAC contractors in Cos Cob, ranked

Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.

Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  4. #4 AMHAC

    Based in Eastchester, 13 mi away

    91/100CR Score

    Ranked #4 because of its Google rating and availability: 4.9★ from 1,440 Google reviews, open 24/7.

    • 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

  8. #8 Yost & Campbell

    Based in Bronxville, 15 mi away

    90/100CR Score

    Ranked #8 because of its Google rating and availability: 4.8★ from 2,459 Google reviews, open 24/7.

    • 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

  9. #9 Royal Comfort

    Based in Port Chester, 4 mi away

    90/100CR Score

    Ranked #9 because of its Google rating and availability: 4.9★ from 199 Google reviews, open 24/7.

    • 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

  15. #15 Robison

    Based in Port Chester, 4 mi away

    89/100CR Score

    Ranked #15 because of its Google rating and availability: 4.5★ from 1,257 Google reviews, open 24/7.

    • 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

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 1,276 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in Cos Cob, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Astacio Heating, Cooling, Plumbing & Electrical874.8★ (1,998)11 mi
27Comfort Experts Heating And Cooling875.0★ (107)12 mi
28Total Comfort Services LLC874.9★ (698)22 mi
29Servco Oil & Propane875.0★ (133)15 mi
30Air Docs, Inc.875.0★ (105)13 mi
31Aire Serv of Southwest Connecticut874.8★ (565)19 mi
32Candito Plumbing and HVAC, LLC864.9★ (50)8 mi
33VOLCANO Heating & Air Conditioning864.9★ (27)4 mi
34You and Us Heating & Air Conditioning865.0★ (132)17 mi
35American HVAC Corp - Bronx - Heating, Commercial, Air Conditioning, Ductless Mini Split AC, Furnace Repair Installation NYC865.0★ (120)18 mi
36HarmonAire Ductless Heat Pumps864.9★ (187)18 mi
37G2G Heating and cooling865.0★ (50)11 mi
38Cottam Heating & Air Conditioning Inc864.7★ (289)16 mi
39Wesco 53 Heat Pump & AC Repair865.0★ (70)14 mi
40Around the Clock Air Conditioning & Heating, Inc.865.0★ (94)4 mi
41HomeServe of Long Island854.6★ (1,573)23 mi
42Imperial Plumbing & Heating854.9★ (81)15 mi
43Euro Comfort Zone HVAC854.9★ (215)21 mi
44Smart Air Technologies HVAC855.0★ (147)9 mi
45David Heating and Cooling Inc.855.0★ (56)14 mi
46Perfect Air Solutions854.9★ (36)9 mi
47Top Tier Energy Service854.8★ (212)19 mi
48BZ Dependable Plumbing and Heating Inc854.8★ (525)25 mi
49Climate Care, LLC854.6★ (171)13 mi
50C&C Service854.4★ (45)3 mi

Also serving Cos Cob

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 Cos Cob
BusinessGoogle ratingDistance
Accurate Heating & Cooling3.0★ (2)7 mi
Aquino HVAC Company5.0★ (2)8 mi
Around The Clock Air conditioning & Heating,inc.5.0★ (2)2 mi
Bob Riith Jr Plumbing & Heating5.0★ (2)9 mi
Cipri Plumbing & Heating LLC3.0★ (2)4 mi
Dale Beckmann Plumbing & Heating5.0★ (2)9 mi
DAMAGE CONTROL HVAC AND REFRIGERATION5.0★ (2)11 mi
Evolution HVAC LLC3.0★ (2)7 mi
EVR HVAC Westchester5.0★ (2)9 mi
Father & Son Plumbing & Heating3.0★ (2)10 mi
Hot Water Heater RepairIn Cos Cob
J J Sudell Plumbing & HeatingIn Cos Cob
Master Plumbing Heating Cooling4.5★ (398)16 mi
Mount Pleasant - Heating and Cooling5.0★ (2)9 mi
Quality Comfort Solutions5.0★ (2)9 mi
Rocco Kohut Electrical Installation5.0★ (10)In Cos Cob
Top Quality Heating & Air Conditioning5.0★ (2)9 mi
Warco Plumbing & Heating Inc5.0★ (2)6 mi
WBF Air Conditioning & Heating3.0★ (2)5 mi
Yost & Campbell4.8★ (347)22 mi

How much do HVAC contractors cost in Cos Cob?

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

How much do HVAC contractors cost in Cos Cob?
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 Cos Cob HVAC contractors

We scored 1,276 Cos Cob HVAC contractors on 8 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. Unknown factors are left out of the score, 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 Cos Cob data
Reputation35%Bayesian-adjusted Google star ratingMeasured
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2Not yet collected
Review volume10%log10(reviews + 1) against the list maximumMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability10%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5Measured
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radiusMeasured
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)Measured

HVAC contractors in Cos Cob: frequently asked questions

Who is the best HVAC contractor in Cos Cob?

By CR Score, the highest-ranked HVAC contractor in Cos Cob, CT is Air Solutions, Inc. with a CR Score of 91/100. It has 4.8★ from 718 Google reviews. It is open 24/7. Pickwick Plumbing & Heating (#2) and Sila Heating, Air Conditioning, Plumbing & Electrical (#3) follow. We ranked 1,276 HVAC contractors on 8 factors, last updated October 22, 2026.

How many HVAC contractors are there in Cos Cob?

ContractorsRanked ranks 1,276 HVAC contractors serving Cos Cob, CT. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which HVAC contractors in Cos Cob are open 24/7?

400 ranked HVAC contractors in Cos Cob post 24/7 hours. The highest-ranked are Air Solutions, Inc. (#1), Pickwick Plumbing & Heating (#2) and Sila Heating, Air Conditioning, Plumbing & Electrical (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Cos Cob work on weekends?

757 of 1,276 ranked HVAC contractors post Saturday hours and 556 post Sunday hours. The highest-ranked open Saturdays are Air Solutions, Inc. (#1), Pickwick Plumbing & Heating (#2) and Sila Heating, Air Conditioning, 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 Cos Cob?

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

What Google rating do Cos Cob HVAC contractors have?

The median Google rating among 1,276 rated HVAC contractors in Cos Cob is 4.8★, with a median of 15 reviews. Universe Home Services has the most, 6,771 reviews, and ranks #10. 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 Cos Cob?

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 Cos Cob

  1. October 2026: CR Scores recalculated for 1,276 hvac contractors serving Cos Cob.
  2. October 2026: 4 duplicate listings merged.

More HVAC contractors and Cos Cob pages

Other trades in Cos Cob