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Best HVAC Contractors in Massena, NY (2026)

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

The short answer

  1. 1

    Best overall in Massena: Walker ClimateCare, CR Score 65/100; 4.8★ from 1,508 Google reviews; open 24/7.

  2. 3

    Best for emergencies (open 24/7): Superior Plumbing & Heating of Cornwall, posts 24/7 hours; ranked #3 of 27.

  3. 4

    Most-reviewed: Baker Heating & Air Conditioning Ltd., 326 Google reviews at 4.9★, the most of 27 ranked after Walker ClimateCare; ranked #4.

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

27 Massena HVAC contractors are ranked here by CR Score, from ten published factors. 6 are open 24/7, 8 open Saturdays and 4 open Sundays, based on posted hours. The median Google rating is 4.8★ across 27 rated businesses.

Top 10 HVAC contractors in Massena at a glance

Top 10 HVAC contractors in Massena at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Walker ClimateCare654.8★ (1,508)Cornwall, 9 mi away24/7Overall
2Energy Wise Builders, LLC585.0★ (26)MassenaSat—
3Superior Plumbing & Heating of Cornwall584.3★ (74)Cornwall, 11 mi away24/7Emergencies
4Baker Heating & Air Conditioning Ltd.584.9★ (326)Cornwall, 11 mi away—Most reviews
5AMS Plumbing and HVAC584.8★ (39)Massena24/7—
6Express Plumbing & Heat Services564.5★ (11)Massena——
7Wylie Mechanical555.0★ (53)Cornwall, 16 mi awaySat · Evenings—
8Casey Mechanical Inc554.9★ (111)Cornwall, 11 mi away——
9SD&G Heating and Cooling555.0★ (7)Cornwall, 14 mi away24/7—
10M S Mechanical & Sons554.7★ (14)Cornwall, 13 mi away24/7—

The 27 best HVAC contractors in Massena, ranked

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

  1. Ranked #1 in Massena

    #1 Walker ClimateCare

    Based in Cornwall, 9 mi away

    65/100CR Score

    Ranked #1 because of its Google rating and review volume: 4.8★ from 1,508 Google reviews, the most in Massena.

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

    • 4.8★ from 1,508 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1714 Vincent Massey Dr, Cornwall, ON K6H 5R6
    View profile for Walker ClimateCare(613) 416-7233

  2. #2 Energy Wise Builders, LLC

    Based in Massena

    58/100CR Score

    Ranked #2 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “HVAC contractor”.

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

    • 5.0★ from 26 Google reviews
    Hours
    Mon–Sat 8 AM–6 PM · Sun closed
    Address
    579 Brouse Rd, Massena, NY 13662
    View profile for Energy Wise Builders, LLC(315) 842-0645

  7. #7 Wylie Mechanical

    Based in Cornwall, 16 mi away

    55/100CR Score

    Ranked #7 because of its Google rating and trade focus: 5.0★ from 53 Google reviews, listed on Google as “HVAC contractor”.

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

    • 5.0★ from 53 Google reviews
    Hours
    Mon–Sat 7 AM–7 PM · Sun closed
    View profile for Wylie Mechanical(613) 577-2726

  8. #8 Casey Mechanical Inc

    Based in Cornwall, 11 mi away

    55/100CR Score

    Ranked #8 because of its Google rating and trade focus: 4.9★ from 111 Google reviews, listed on Google as “Air conditioning contractor”.

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

    • 4.9★ from 111 Google reviews
    Hours
    Mon–Thu 8 AM–4 PM · Fri 8 AM–1 PM · Sat–Sun closed
    Address
    920 Carleton St, Cornwall, ON K6H 6B9
    View profile for Casey Mechanical Inc(613) 938-1210

  9. #9 SD&G Heating and Cooling

    Based in Cornwall, 14 mi away

    55/100CR Score

    Ranked #9 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “HVAC contractor”.

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

    • 5.0★ from 7 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    17947 Headline Rd, Long Sault, ON K0C 1S0
    View profile for SD&G Heating and Cooling(613) 363-6153

  10. #10 M S Mechanical & Sons

    Based in Cornwall, 13 mi away

    55/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.7★ from 14 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.7★ from 14 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    800 Campbell St, Cornwall, ON K6H 6L7
    View profile for M S Mechanical & Sons(613) 931-1887

  11. #11 McKay Mechanical Inc.

    Based in Cornwall, 11 mi away

    54/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.8★ from 51 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.8★ from 51 Google reviews
    Hours
    Mon–Fri 7:30 AM–4 PM · Sat–Sun closed
    Address
    880 Tenth St E, Cornwall, ON K6H 5T1
    View profile for McKay Mechanical Inc.(613) 932-1757

  13. #13 Noble

    Based in Cornwall, 13 mi away

    53/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.7★ from 38 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.7★ from 38 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat–Sun closed
    Address
    2905 Copeland St, Cornwall, ON K6H 6L8
    View profile for Noble(613) 933-5600

  16. #16 Marc Viau Mechanical

    Based in Cornwall, 10 mi away

    52/100CR Score

    Ranked #16 because of its Google rating and trade focus: 4.4★ from 25 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.4★ from 25 Google reviews
    Hours
    Mon–Fri 8 AM–4 PM · Sat–Sun closed
    Address
    209 Eleventh St W, Cornwall, ON K6J 3B4
    View profile for Marc Viau Mechanical(613) 932-8180

  17. #17 Boileau Mechanical Ltd

    Based in Cornwall, 14 mi away

    51/100CR Score

    Ranked #17 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “HVAC contractor”.

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

    • 5.0★ from 14 Google reviews
    Hours
    Mon–Fri 8 AM–4 PM · Sat–Sun closed
    Address
    6598 Vivian Cir, Cornwall, ON K6H 7J1
    View profile for Boileau Mechanical Ltd(613) 935-7114

  18. #18 Mike Paquette Mechanical

    Based in Cornwall, 15 mi away

    51/100CR Score

    Ranked #18 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “HVAC contractor”.

    Based on 7 of 10 factors; credentials, recency and availability not yet collected.

    • 5.0★ from 4 Google reviews
    Address
    6550 Sapphire Dr, Cornwall, ON K6H 7J1
    View profile for Mike Paquette Mechanical(613) 931-0961

  19. #19 Pat Caron Heating and Air Conditioning | Heating Cornwall

    Based in Cornwall, 11 mi away

    51/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.0★ from 15 Google reviews, listed on Google as “Air conditioning contractor”.

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

    • 4.0★ from 15 Google reviews
    Hours
    Mon–Thu 8 AM–5 PM · Fri 8 AM–4 PM · Sat–Sun closed
    Address
    3050 Pitt St, Cornwall, ON K6K 1B1
    View profile for Pat Caron Heating and Air Conditioning | Heating Cornwall(613) 933-8144

  20. #20 Houde Mechanical Inc

    Based in Cornwall, 13 mi away

    50/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.0★ from 22 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.0★ from 22 Google reviews
    Hours
    Mon–Tue 9 AM–4 PM · Wed 9:30 AM–4 PM · Thu 9 AM–4 PM · Fri 9 AM–3 PM · Sat–Sun closed
    Address
    2905 Marleau Ave, Cornwall, ON K6H 6G5
    View profile for Houde Mechanical Inc(613) 931-1103

  21. #21 Oscar Ladouceur & Son Ltd

    Based in Cornwall, 8 mi away

    50/100CR Score

    Ranked #21 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “HVAC contractor”.

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

    • 5.0★ from 3 Google reviews
    Hours
    Mon–Thu 7 AM–4:30 PM · Fri 7 AM–12 PM · Sat–Sun closed
    Address
    235 Saunders Dr, Cornwall, ON K6H 5R6
    View profile for Oscar Ladouceur & Son Ltd(613) 932-9492

  23. #23 Doug Gordon Refrigeration

    Based in Cornwall, 11 mi away

    49/100CR Score

    Ranked #23 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “HVAC contractor”.

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

    • 5.0★ from 3 Google reviews
    Hours
    Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
    Address
    880 Tenth St E, Cornwall, ON K6H 5T1
    View profile for Doug Gordon Refrigeration(613) 935-4164

  24. #24 Marleau HVAC Services Ltd

    Based in Cornwall, 14 mi away

    49/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “Air conditioning contractor”.

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

    • 4.2★ from 5 Google reviews
    Hours
    Mon–Fri 8 AM–4 PM · Sat–Sun closed
    Address
    18077 Tyotown Rd, South Glengarry, ON K6H 7S7
    View profile for Marleau HVAC Services Ltd(613) 932-7548

  25. #25 Bellatin HVAC

    Based in Cornwall, 19 mi away

    49/100CR Score

    Ranked #25 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “HVAC contractor”.

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

    • 5.0★ from 6 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat–Sun closed
    View profile for Bellatin HVAC(613) 362-3880

All 27 HVAC contractors

#1 to #25 are shown in full above. Here are #26 to #27, in CR Score order; each links to its profile.

HVAC contractors in Massena, ranks 26 to 27
RankBusinessCR ScoreGoogle ratingDistance
26Dan's Plumbing & Heating474.0★ (12)18 mi
27Baker Mechanical474.7★ (3)23 mi

Also serving Massena

10 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 Massena
BusinessGoogle ratingDistance
ACE Plumbing & Heating4.0★ (1)11 mi
Brent Walker Repair Svc5.0★ (1)10 mi
Garcia's HVAC & Mechanical24 mi
Houde Air - Hvac-Design & Consulting5.0★ (1)15 mi
Lapierre Plumbing & Heating11 mi
Lytle's Heating & Cooling5.0★ (1)In Massena
Mirabito Energy Products19 mi
quality-heating5.0★ (1)15 mi
Rj Rowell Plumbing & HeatingIn Massena
Superior Plumbing & Heating3.0★ (1)In Massena

How much do HVAC contractors cost in Massena?

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

How much do HVAC contractors cost in Massena?
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

When to hire an HVAC contractor in New York

In New York, 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 Massena HVAC contractors

We scored 27 Massena 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 Massena 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 Massena: frequently asked questions

Who is the best HVAC contractor in Massena?

By CR Score, the highest-ranked HVAC contractor in Massena, NY is Walker ClimateCare with a CR Score of 65/100. It has 4.8★ from 1,508 Google reviews. It is open 24/7. Energy Wise Builders, LLC (#2) and Superior Plumbing & Heating of Cornwall (#3) follow. We ranked 27 HVAC contractors on ten factors, last updated October 22, 2026.

How many HVAC contractors are there in Massena?

ContractorsRanked ranks 27 HVAC contractors serving Massena, NY. 4 of them are based in Massena; the rest serve it from nearby towns. Another 10 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which HVAC contractors in Massena are open 24/7?

6 ranked HVAC contractors in Massena post 24/7 hours. The highest-ranked are Walker ClimateCare (#1), Superior Plumbing & Heating of Cornwall (#3) and AMS Plumbing and HVAC (#5). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Massena work on weekends?

8 of 27 ranked HVAC contractors post Saturday hours and 4 post Sunday hours. The highest-ranked open Saturdays are Walker ClimateCare (#1), Energy Wise Builders, LLC (#2) and Superior Plumbing & Heating of Cornwall (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does ac replacement cost in Massena?

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

What Google rating do Massena HVAC contractors have?

The median Google rating among 27 rated HVAC contractors in Massena is 4.8★, with a median of 14 reviews. Walker ClimateCare has the most, 1,508 reviews, and ranks #1. 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 Massena?

In New York, 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 does ContractorsRanked rank HVAC contractors?

Each HVAC contractor gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Update log for Massena

  1. October 2026: CR Scores recalculated for 27 hvac contractors serving Massena.

More HVAC contractors and Massena pages