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Best HVAC Contractors in Fostoria, OH (2026)

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

The short answer

  1. 1

    Best overall in Fostoria: Siferd Plumbing Heating & A/C LLC, CR Score 64/100; 4.9★ from 1,237 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Tin Man Heating and Cooling Inc, posts 24/7 hours; ranked #2 of 58.

  3. 3

    Most-reviewed: Beltz Home Service Co., 1,708 Google reviews at 4.8★, the most of 58 ranked; ranked #3.

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

58 Fostoria HVAC contractors are ranked here by CR Score, from ten published factors. 9 are open 24/7, 16 open Saturdays and 11 open Sundays, based on posted hours. The median Google rating is 4.6★ across 58 rated businesses.

Top 10 HVAC contractors in Fostoria at a glance

Top 10 HVAC contractors in Fostoria at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Siferd Plumbing Heating & A/C LLC644.9★ (1,237)Findlay, 14 mi away24/7Overall
2Tin Man Heating and Cooling Inc624.8★ (1,132)Bowling Green, 21 mi away24/7Emergencies
3Beltz Home Service Co.614.8★ (1,708)Findlay, 15 mi awaySatMost reviews
4K&R Heating and Cooling595.0★ (126)Fostoria——
5Dan Hoffman's Heating & Air Conditioning LLC584.9★ (80)Fremont, 19 mi away24/7—
6Greene's Plumbing Heating & Electrical575.0★ (200)Tiffin, 9 mi away——
7All Star Plumbing & Heating LLC574.5★ (58)Findlay, 14 mi away24/7—
8Premier Heating and Cooling574.8★ (64)Fostoria——
9Black Swamp Heating and Cooling564.7★ (61)Fremont, 21 mi away24/7—
10Tin Man Heating and Cooling Inc564.6★ (82)Fremont, 22 mi away24/7—

The 58 best HVAC contractors in Fostoria, ranked

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

  1. Ranked #1 in Fostoria

    #1 Siferd Plumbing Heating & A/C LLC

    Based in Findlay, 14 mi away

    64/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.9★ from 1,237 Google reviews, listed on Google as “Air conditioning contractor”.

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

    • 4.9★ from 1,237 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    10603 County Rd 99, Findlay, OH 45840
    View profile for Siferd Plumbing Heating & A/C LLC(419) 427-2012

  3. #3 Beltz Home Service Co.

    Based in Findlay, 15 mi away

    61/100CR Score

    Ranked #3 because of its Google rating and review volume: 4.8★ from 1,708 Google reviews, the most in Fostoria.

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

    • 4.8★ from 1,708 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat 8 AM–4 PM · Sun closed
    Address
    400 W Front St, Findlay, OH 45840
    View profile for Beltz Home Service Co.(419) 210-3386

  4. #4 K&R Heating and Cooling

    Based in Fostoria

    59/100CR Score

    Ranked #4 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

  8. #8 Premier Heating and Cooling

    Based in Fostoria

    57/100CR Score

    Ranked #8 because of its Google rating and trade focus: 4.8★ from 64 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.8★ from 64 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    111 W South St, Fostoria, OH 44830
    View profile for Premier Heating and Cooling(567) 245-3953

  11. #11 Bowers Heating & Cooling, Inc.

    Based in Findlay, 14 mi away

    56/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.8★ from 358 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.8★ from 358 Google reviews
    Hours
    Mon–Thu 8 AM–5 PM · Fri 8 AM–4:30 PM · Sat–Sun closed
    Address
    131 E Pine Ave, Findlay, OH 45840
    View profile for Bowers Heating & Cooling, Inc.(419) 423-8666

  15. #15 Rescue Heat And Air

    Based in Tiffin, 13 mi away

    55/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.8★ from 17 Google reviews, listed on Google as “Heating contractor”.

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

    • 4.8★ from 17 Google reviews
    Hours
    Mon–Fri 7:30 AM–5 PM · Sat–Sun 9 AM–5 PM
    Address
    49 N Washington St, Tiffin, OH 44883
    View profile for Rescue Heat And Air(567) 230-1643

  16. #16 Tiffin Deluxe Services Inc

    Based in Tiffin, 12 mi away

    55/100CR Score

    Ranked #16 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 Knueve & Sons Inc.

    Based in Findlay, 12 mi away

    52/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.8★ from 22 Google reviews, listed on Google as “HVAC contractor”.

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

    • 4.8★ from 22 Google reviews
    Hours
    Mon–Fri 9 AM–4 PM · Sat–Sun closed
    Address
    1730 E Melrose Ave, Findlay, OH 45840
    View profile for Knueve & Sons Inc.(419) 420-7638

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

HVAC contractors in Fostoria, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Freeman's Heating AC & Plumbing524.0★ (11)14 mi
27Ralphs Plumbing Heating & AC514.4★ (20)20 mi
28Wilbur & Son Standard Water514.2★ (11)16 mi
29Ed Brinkman & Son Inc514.6★ (17)13 mi
30Terry Frey & Son Plumbing & Heating513.6★ (12)20 mi
31Buchman Heating515.0★ (13)13 mi
32K. Stone Heating and Cooling, LLC515.0★ (18)16 mi
33Knueve & Sons Inc Plumbing-Heating513.6★ (7)14 mi
34Tong's Air Conditioning, Heating & Plumbing, Inc.514.1★ (31)13 mi
35Theis Services Inc514.8★ (5)16 mi
36United Home Comfort514.6★ (38)19 mi
37Yates and Young Home Services LLC514.3★ (40)17 mi
38Craft & Sons Home Improvement & Repair L.L.C505.0★ (6)In Fostoria
39Couchot Mechanical Inc.503.7★ (3)14 mi
40Enviro Mechanical Services LLC505.0★ (9)14 mi
41Jack's Heating, Air Conditioning & Plumbing Inc.504.0★ (44)16 mi
42Jonathan Main Plumbing Heating & Cooling, LLC505.0★ (12)18 mi
43M&M Electric Inc.504.3★ (15)23 mi
44Main & Sons Plumbing, HVAC, Excavating & Septic LLC504.4★ (23)19 mi
45Reese Refrigeration Inc494.5★ (6)14 mi
46Rick Evans Plumbing Heating & Air Conditioning493.6★ (13)22 mi
47Gearhart Plumbing Heating & Cooling494.0★ (73)21 mi
48Kelly and Son LLC495.0★ (3)14 mi
49Moser Plumbing & Heating494.2★ (21)14 mi
50Crockett HVAC Services Fremont483.0★ (9)22 mi

Also serving Fostoria

18 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 Fostoria
BusinessGoogle ratingDistance
Advanced Plumbing & Heating3.0★ (2)20 mi
Advantage HVAC and Home Services LLCIn Fostoria
Bill Berger Heating Air Conditioning3.0★ (2)18 mi
Bill Rusch & Son Plumbing & Heating4.5★ (2)18 mi
Campbell Mechanical Services5.0★ (1)15 mi
Clyde Heating & Cooling25 mi
Dundore Plumbing Heating Cool12 mi
Dundore Plumbing Heating Cooling12 mi
Expert Air LLC5.0★ (1)20 mi
Hancock Heating & Cooling LLC14 mi
Joe Kuhlman Plumbing & Heating4.2★ (6)14 mi
Marlin White & Sons Inc5.0★ (2)20 mi
Mike White Plumbing & Heating20 mi
Mullen Environmental Heating & Air Conditioning5.0★ (3)24 mi
Quality Mechanical Services24 mi
S&B Plumbing,Heating&A.C.13 mi
Sangregory Refrigeration13 mi
Steve Frey Plumbing & Heating3.9★ (19)22 mi

How much do HVAC contractors cost in Fostoria?

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

How much do HVAC contractors cost in Fostoria?
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 Ohio

In Ohio, Ohio Construction Industry Licensing Board licenses Commercial HVAC and refrigeration contractor licenses.

  1. Search the business name or license number on the Ohio Construction Industry Licensing Board 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 Ohio

In Ohio, 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 Fostoria HVAC contractors

We scored 58 Fostoria 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 Fostoria 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 Fostoria: frequently asked questions

Who is the best HVAC contractor in Fostoria?

By CR Score, the highest-ranked HVAC contractor in Fostoria, OH is Siferd Plumbing Heating & A/C LLC with a CR Score of 64/100. It has 4.9★ from 1,237 Google reviews. It is open 24/7. Tin Man Heating and Cooling Inc (#2) and Beltz Home Service Co. (#3) follow. We ranked 58 HVAC contractors on ten factors, last updated October 22, 2026.

How many HVAC contractors are there in Fostoria?

ContractorsRanked ranks 58 HVAC contractors serving Fostoria, OH. 7 of them are based in Fostoria; the rest serve it from nearby towns. Another 18 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which HVAC contractors in Fostoria are open 24/7?

9 ranked HVAC contractors in Fostoria post 24/7 hours. The highest-ranked are Siferd Plumbing Heating & A/C LLC (#1), Tin Man Heating and Cooling Inc (#2) and Dan Hoffman's Heating & Air Conditioning LLC (#5). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Fostoria work on weekends?

16 of 58 ranked HVAC contractors post Saturday hours and 11 post Sunday hours. The highest-ranked open Saturdays are Siferd Plumbing Heating & A/C LLC (#1), Tin Man Heating and Cooling Inc (#2) and Beltz Home Service Co. (#3). Posted hours are office hours; crews may book weekend jobs separately.

How do I check an HVAC contractor's license in Ohio?

In Ohio, Ohio Construction Industry Licensing Board handles licensing and covers Commercial HVAC and refrigeration contractor licenses. Search the business or license number at https://elicense.ohio.gov/oh_verifylicense.

How much does ac replacement cost in Fostoria?

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

What Google rating do Fostoria HVAC contractors have?

The median Google rating among 58 rated HVAC contractors in Fostoria is 4.6★, with a median of 17 reviews. Beltz Home Service Co. has the most, 1,708 reviews, and ranks #3. 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 Fostoria?

In Ohio, 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 Fostoria

  1. October 2026: CR Scores recalculated for 58 hvac contractors serving Fostoria.

More HVAC contractors and Fostoria pages

Other trades in Fostoria