56 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Sandusky: Bayside Comfort, CR Score 68/100; 4.9★ from 1,897 Google reviews; open 24/7.
Best for emergencies (open 24/7): Plumbco Plumbing & Heating - Dave Hall, posts 24/7 hours; ranked #3 of 56.
Most-reviewed: Hohler Furnace & Sheet Metal, 932 Google reviews at 4.9★, the most of 56 ranked after Bayside Comfort; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
56 Sandusky HVAC contractors are ranked here by CR Score, from ten published factors. 13 are open 24/7, 24 open Saturdays and 20 open Sundays, based on posted hours. The median Google rating is 4.6★ across 56 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Bayside Comfort | 68 | 4.9★ (1,897) | Sandusky | 24/7 | Overall |
| 2 | Hohler Furnace & Sheet Metal | 62 | 4.9★ (932) | Sandusky | Evenings | Most reviews |
| 3 | Plumbco Plumbing & Heating - Dave Hall | 60 | 4.5★ (31) | Sandusky | 24/7 | Emergencies |
| 4 | ABTECH Mechanical HVAC inc | 60 | 4.9★ (111) | Bellevue, 14 mi away | 24/7 | — |
| 5 | Jubilee Heating & Cooling | 60 | 4.9★ (241) | Norwalk, 14 mi away | Sat · Sun · Evenings | — |
| 6 | Done Right Heating & AC | 59 | 5.0★ (23) | Sandusky | Sat · Sun · Evenings | — |
| 7 | Gundlach Sheet Metal Works Inc | 59 | 4.8★ (200) | Sandusky | — | — |
| 8 | One Hour Heating & Air Conditioning | 58 | 4.4★ (15) | Bedford Heights, 4 mi away | 24/7 | — |
| 9 | Hartland & Wilken Custom Heating, Cooling, Plumbing, Electric | 57 | 4.6★ (146) | Sandusky | — | — |
| 10 | Comfort Zone Heating & Cooling | 57 | 5.0★ (27) | Norwalk, 15 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and review volume: 4.9★ from 1,897 Google reviews, the most in Sandusky.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sandusky
Ranked #2 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.
Based in Sandusky
Ranked #3 because of its Google rating and trade focus: 4.5★ from 31 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bellevue, 14 mi away
Ranked #4 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.
Based in Norwalk, 14 mi away
Ranked #5 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.
Based in Sandusky
Ranked #6 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sandusky
Ranked #7 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.
Based in Bedford Heights, 4 mi away
Ranked #8 because of its Google rating and trade focus: 4.4★ from 15 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sandusky
Ranked #9 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.
Based in Norwalk, 15 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fremont, 23 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 80 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Amherst, 20 mi away
Ranked #12 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.
Based in Fremont, 21 mi away
Ranked #13 because of its Google rating and trade focus: 4.6★ from 82 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sandusky
Ranked #14 because of its Google rating and trade focus: 4.0★ from 8 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fremont, 22 mi away
Ranked #15 because of its Google rating and trade focus: 4.7★ from 61 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sandusky
Ranked #16 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sandusky
Ranked #17 because of its Google rating and trade focus: 4.5★ from 62 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Vermilion, 18 mi away
Ranked #18 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.
Based in Port Clinton, 11 mi away
Ranked #19 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.
Based in Sandusky
Ranked #20 because of its Google rating and trade focus: 3.7★ from 20 Google reviews, listed on Google as “HVAC contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Sandusky
Ranked #21 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.
Based in Norwalk, 12 mi away
Ranked #22 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.
Based in Sandusky
Ranked #23 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.
Based in Sandusky
Ranked #24 because of its Google rating and trade focus: 4.5★ from 18 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Norwalk, 14 mi away
Ranked #25 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.
#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 56 ranked HVAC contractors here; the rest are on their profiles.
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.
| Business | Google rating | Distance |
|---|---|---|
| Advanced Plumbing & Heating | 3.0★ (2) | 23 mi |
| Answer Heating & Cooling | 5.0★ (1) | 22 mi |
| Bay Electric Co Inc | 5.0★ (3) | In Sandusky |
| Bell Heating and Electric | 5.0★ (1) | In Sandusky |
| Bill Berger Heating Air Conditioning | 3.0★ (2) | 24 mi |
| Bill Rusch & Son Plumbing & Heating | 4.5★ (2) | 24 mi |
| Certified Restoration and Squeaky Peak | 4.8★ (41) | In Sandusky |
| Expert Air LLC | 5.0★ (1) | 22 mi |
| Firelands Plumbing | 4.4★ (243) | In Sandusky |
| Fry Heating Cooling & Plumbing | 5.0★ (1) | 13 mi |
| Huron Heating & Air Conditioning | 5.0★ (1) | 11 mi |
| Klee & Associates Inc | 5.0★ (1) | In Sandusky |
| Lulpold John Plumbing & Heating Inc | In Sandusky | |
| MAD Cleaning, LLC | 4.7★ (62) | In Sandusky |
| Marlin White & Sons Inc | 5.0★ (2) | 23 mi |
| Ohio mini split | 4.4★ (7) | 21 mi |
| Ottos Inc Heating Air Conditioning & Refrigeration | 1.0★ (1) | In Sandusky |
| Reliable Handyman Ohio | 5.0★ (17) | In Sandusky |
| Roto-Rooter Sandusky Plumbing & Drain Services | 4.9★ (750) | In Sandusky |
| Steve Frey Plumbing & Heating | 3.9★ (19) | 21 mi |
National price ranges in USD, not adjusted for Sandusky. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| AC replacement | $3,887 | $5,978 | $8,073 | Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range | October 2026 |
| Furnace replacement | $2,823 | $4,814 | $6,896 | Per system, installed; typical range of customer-reported jobs. US national range | October 2026 |
In Ohio, Ohio Construction Industry Licensing Board licenses Commercial HVAC and refrigeration contractor licenses.
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
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.
We scored 56 Sandusky 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.
| Factor | Weight | Computed from | In Sandusky data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |