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Emergency HVAC Contractors in Fremont, OH (2026)

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

9 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 Fremont: 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 Fremont at a glance

Top emergency HVAC contractors in Fremont at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Bayside Comfort644.9★ (1,897)Sandusky, 19 mi away24/7
2Dan Hoffman's Heating & Air Conditioning LLC634.9★ (80)Fremont24/7
3Tin Man Heating and Cooling Inc624.6★ (82)Fremont24/7
4Black Swamp Heating and Cooling624.7★ (61)Fremont24/7
5Ray Coleman Heating & Air Conditioning604.6★ (11)Fremont24/7
6ABTECH Mechanical HVAC inc584.9★ (111)Bellevue, 23 mi away24/7
7Bishops Plumbing Heating & Air Conditioning564.4★ (15)Tiffin, 15 mi away24/7
8Plumbco Plumbing & Heating - Dave Hall554.5★ (31)Sandusky, 23 mi away24/7
9Sandusky Heating Cooling Repair Experts544.0★ (4)Sandusky, 18 mi away24/7
10Ralphs Plumbing Heating & AC514.4★ (20)Fremont—

Call an emergency HVAC contractor in Fremont 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 Fremont, 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 Fremont

    #1 Bayside Comfort

    Based in Sandusky, 19 mi away

    64/100CR 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

  6. #6 ABTECH Mechanical HVAC inc

    Based in Bellevue, 23 mi away

    58/100CR Score

    Ranked #6 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

  14. #14 Hohler Furnace & Sheet Metal

    Based in Sandusky, 22 mi away

    43/100CR Score

    Ranked #14 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

  15. #15 Theis Services Inc

    Based in Tiffin, 20 mi away

    43/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.8★ from 5 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.8★ from 5 Google reviews
    Address
    4683 OH-100, Tiffin, OH 44883
    View profile for Theis Services Inc(419) 447-8918

  16. #16 G B Plumbing & Heating

    Based in Sandusky, 21 mi away

    42/100CR Score

    Ranked #16 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

  18. #18 Bell Heating & Electric

    Based in Sandusky, 23 mi away

    42/100CR Score

    Ranked #18 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

  20. #20 K&R Heating and Cooling

    Based in Fostoria, 15 mi away

    42/100CR Score

    Ranked #20 because of its Google rating and trade focus: 5.0★ from 126 Google reviews, listed on Google as “HVAC contractor”.

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

    • 5.0★ from 126 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat–Sun closed
    View profile for K&R Heating and Cooling(419) 701-4086

  21. #21 CK Mechanical

    Based in Port Clinton, 16 mi away

    40/100CR Score

    Ranked #21 because of its Google rating and trade focus: 4.9★ from 92 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.9★ from 92 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat–Sun closed
    Address
    2125 E Harbor Rd, Port Clinton, OH 43452
    View profile for CK Mechanical(419) 573-6202

  24. #24 Tiffin Deluxe Services Inc

    Based in Tiffin, 18 mi away

    40/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.7★ from 116 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.7★ from 116 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    1601 S Township Rd 1186, Tiffin, OH 44883
    View profile for Tiffin Deluxe Services Inc(419) 447-8637

  25. #25 Gundlach Sheet Metal Works Inc

    Based in Sandusky, 23 mi away

    40/100CR 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 Fremont, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Crockett HVAC Services Fremont403.0★ (9)In Fremont
27Weltin Heating & Air Conditioning404.2★ (5)In Fremont
28D&K Mechanical LLC395.0★ (34)14 mi
29M&M Electric Inc.394.3★ (15)7 mi
30419 HVAC Solutions llc394.7★ (3)In Fremont
31Premier Heating and Cooling394.8★ (64)20 mi
32Ohler & Holzhauer Inc.384.0★ (51)15 mi
33Thermo King Midwest384.4★ (119)23 mi
34Erie Mechanical LTD. Heating and Cooling385.0★ (11)13 mi
35Tong's Air Conditioning, Heating & Plumbing, Inc.384.1★ (31)15 mi
36Rescue Heat And Air384.8★ (17)16 mi
37Gundlach Sheet Metal Works Inc374.8★ (20)18 mi
38Wojo's Heating & Air Conditioning, Inc.374.7★ (13)16 mi
39J&W Heating and Cooling375.0★ (3)8 mi
40Gilbert Heating & Air Conditioning374.5★ (62)24 mi
41Done Right Heating & AC375.0★ (23)23 mi
42K&K Plumbing & Heating, LLC (Formerly H&H)364.9★ (7)15 mi
43Buchman Heating365.0★ (13)21 mi
44Refrigeration Sales Corporation364.5★ (11)19 mi
45Bud Droll Refrigeration Service364.5★ (13)21 mi
46Coppeler Heating & Electric, Inc.363.3★ (12)17 mi
47TruGrit HVAC364.5★ (18)23 mi
48Jonathan Main Plumbing Heating & Cooling, LLC355.0★ (12)24 mi
49Findlay Plumbing & Heating Inc354.4★ (5)19 mi
50Lake Effect Custom Cooling And Heating344.0★ (8)25 mi

How we ranked emergency HVAC contractors in Fremont

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 Fremont: questions

Which HVAC contractors in Fremont are open 24/7?

9 on this list post 24/7 hours, including Bayside Comfort, Dan Hoffman's Heating & Air Conditioning LLC, Tin Man Heating and Cooling Inc, Black Swamp Heating and Cooling and Ray Coleman Heating & Air Conditioning.

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

Bayside Comfort is #1, with a CR Score of 64 out of 100 on emergency weights.

How are emergency HVAC contractors in Fremont 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 Fremont

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

More emergency and heating and cooling pages