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Emergency HVAC Contractors in Norwalk, OH (2026)

Top 50 of 54 HVAC contractors, in emergency orderUpdated 0 paid placements in this rankingHow we rank

13 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 Norwalk: Bayside Comfort, 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 Norwalk at a glance

Top emergency HVAC contractors in Norwalk at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Bayside Comfort634.9★ (1,897)Sandusky, 23 mi away24/7
2ABTECH Mechanical HVAC inc634.9★ (111)Bellevue, 4 mi away24/7
3Comfort Zone Heating & Cooling615.0★ (27)Norwalk24/7
4Alpha Air Heating And Cooling595.0★ (189)Shelby, 22 mi away24/7
5Hohler Furnace and Sheet Metal Inc.585.0★ (3)Norwalk24/7
6Plumbco Plumbing & Heating - Dave Hall584.5★ (31)Sandusky, 13 mi away24/7
7B&B Heating and Cooling574.6★ (88)Amherst, 20 mi away24/7
8Energy 1 Heating & Air Conditioning Inc.575.0★ (60)Amherst, 23 mi away24/7
9Rewak Mechanical LLC574.9★ (74)Amherst, 24 mi away24/7
10Shagovac Heating & Cooling564.5★ (64)Elyria, 23 mi away24/7

Call an emergency HVAC contractor in Norwalk 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 Norwalk, 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 54 is on the HVAC contractors page.

  1. Ranked #1 in Norwalk

    #1 Bayside Comfort

    Based in Sandusky, 23 mi away

    63/100CR Score

    Ranked #1 because of its Google rating and review volume: 4.9★ from 1,897 Google reviews.

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

    • 4.9★ from 1,897 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    280 Bridge Rd, Lakeside Marblehead, OH 43440
    View profile for Bayside Comfort(419) 737-4524

  2. #2 ABTECH Mechanical HVAC inc

    Based in Bellevue, 4 mi away

    63/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.9★ from 111 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.9★ from 111 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    10 Herrick Aly, Monroeville, OH 44847
    View profile for ABTECH Mechanical HVAC inc(419) 465-2982

  7. #7 B&B Heating and Cooling

    Based in Amherst, 20 mi away

    57/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.6★ from 88 Google reviews, listed on Google as “Heating contractor”.

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

    • 4.6★ from 88 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for B&B Heating and Cooling(440) 988-2277

  9. #9 Rewak Mechanical LLC

    Based in Amherst, 24 mi away

    57/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.9★ from 74 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.9★ from 74 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1115 Meadowview Ln, Amherst, OH 44001
    View profile for Rewak Mechanical LLC(440) 396-4373

  10. #10 Shagovac Heating & Cooling

    Based in Elyria, 23 mi away

    56/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.5★ from 64 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.5★ from 64 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    9122 Leavitt Rd, Elyria, OH 44035
    View profile for Shagovac Heating & Cooling(440) 984-4545

  11. #11 True HVAC

    Based in Vermilion, 18 mi away

    56/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.8★ from 20 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.8★ from 20 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    South St, Vermilion, OH 44089
    View profile for True HVAC(440) 387-7722

  15. #15 Jubilee Heating & Cooling

    Based in Norwalk

    46/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.9★ from 241 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.9★ from 241 Google reviews
    Hours
    Mon–Fri 6 AM–9 PM · Sat–Sun 7 AM–9 PM
    Address
    52 Lake St, Norwalk, OH 44857
    View profile for Jubilee Heating & Cooling(419) 660-0144

  16. #16 Great Lakes Electric

    Based in Norwalk

    45/100CR Score

    Ranked #16 because of its Google rating and trade focus: 4.8★ from 127 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.8★ from 127 Google reviews
    Hours
    Mon–Fri 8 AM–4 PM · Sat–Sun closed
    Address
    7 N Main St, Milan, OH 44846
    View profile for Great Lakes Electric(419) 499-4159

  19. #19 Hohler Furnace & Sheet Metal

    Based in Sandusky, 16 mi away

    45/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.9★ from 932 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.9★ from 932 Google reviews
    Hours
    Mon–Thu 8 AM–5 PM · Fri 8 AM–11 PM · Sat–Sun closed
    Address
    110 Decatur St, Sandusky, OH 44870
    View profile for Hohler Furnace & Sheet Metal(419) 904-5605

  20. #20 G B Plumbing & Heating

    Based in Sandusky, 15 mi away

    44/100CR Score

    Ranked #20 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Air conditioning contractor”.

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

    • 5.0★ from 4 Google reviews
    Address
    1929 Seneca St, Sandusky, OH 44870
    View profile for G B Plumbing & Heating(419) 626-8611

  22. #22 Hartland & Wilken Custom Heating, Cooling, Plumbing, Electric

    Based in Sandusky, 8 mi away

    43/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.6★ from 146 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.6★ from 146 Google reviews
    Hours
    Mon–Fri 7:30 AM–4:30 PM · Sat–Sun closed
    Address
    9507 Milan Rd, Milan, OH 44846
    View profile for Hartland & Wilken Custom Heating, Cooling, Plumbing, Electric(419) 668-7785

  23. #23 Bell Heating & Electric

    Based in Sandusky, 22 mi away

    42/100CR Score

    Ranked #23 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “HVAC contractor”.

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

    • 5.0★ from 5 Google reviews
    Address
    9450 E Harbor Rd, Lakeside Marblehead, OH 43440
    View profile for Bell Heating & Electric(419) 798-4241

  25. #25 Gundlach Sheet Metal Works Inc

    Based in Sandusky, 15 mi away

    42/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.8★ from 200 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.8★ from 200 Google reviews
    Hours
    Mon–Fri 7:30 AM–5 PM · Sat–Sun closed
    Address
    910 Columbus Ave, Sandusky, OH 44870
    View profile for Gundlach Sheet Metal Works Inc(419) 626-4525

Top 50 of 54 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 Norwalk, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Erie Mechanical LTD. Heating and Cooling415.0★ (11)In Norwalk
27Northern Refrigeration Systems414.7★ (3)23 mi
28Wilkes Plumbing & Heating, Inc.414.6★ (56)10 mi
29Gilbert Heating & Air Conditioning404.5★ (62)14 mi
30D&K Mechanical LLC395.0★ (34)14 mi
31James Hohler And Son Plumbing & Heating394.7★ (3)In Norwalk
32Turnbull Plumbing & Heating394.3★ (11)20 mi
33Done Right Heating & AC395.0★ (23)14 mi
34CK Mechanical394.9★ (92)24 mi
35Steve Frey Plumbing & Heating383.9★ (19)25 mi
36Ohio mini split384.4★ (7)9 mi
37TruGrit HVAC384.5★ (18)15 mi
38HJ Schodorf & Associates, Inc.384.6★ (13)14 mi
39Lake Effect Custom Cooling And Heating374.0★ (8)11 mi
40K&K Plumbing & Heating, LLC (Formerly H&H)374.9★ (7)12 mi
41Refrigeration Sales Corporation374.5★ (11)14 mi
42D M Plumbing & Heating Inc374.5★ (54)24 mi
43Strittmather Plumbing Heating & Cooling374.3★ (26)20 mi
44Gross Brothers Plumbing Heating374.1★ (17)18 mi
45Gundlach Sheet Metal Works Inc364.8★ (20)22 mi
46Wade's Heating & Cooling365.0★ (4)14 mi
47Airtech Heating & Cooling364.8★ (22)24 mi
48M&M Electric Inc.364.3★ (15)21 mi
49Heating And Air Conditioning354.6★ (9)20 mi
50Wojo's Heating & Air Conditioning, Inc.354.7★ (13)24 mi

How we ranked emergency HVAC contractors in Norwalk

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 Norwalk: questions

Which HVAC contractors in Norwalk are open 24/7?

13 on this list post 24/7 hours, including Bayside Comfort, ABTECH Mechanical HVAC inc, Comfort Zone Heating & Cooling, Alpha Air Heating And Cooling and Hohler Furnace and Sheet Metal Inc..

Who is ranked #1 for emergency heating and cooling in Norwalk, OH?

Bayside Comfort is #1, with a CR Score of 63 out of 100 on emergency weights.

How are emergency HVAC contractors in Norwalk 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 Norwalk

  1. October 2026: CR Scores recalculated for 54 hvac contractors serving Norwalk.

More emergency and heating and cooling pages