39 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Marion: Emergency Plumbing Heating & Air, CR Score 63/100; 4.8★ from 1,104 Google reviews; open 24/7.
Best for emergencies (open 24/7): Eco Plumbers, Electricians, and HVAC Technicians, posts 24/7 hours; ranked #2 of 39.
Most-reviewed: Eco Plumbers, Electricians, and HVAC Technicians, 1,185 Google reviews at 4.9★, the most of 39 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
39 Marion HVAC contractors are ranked here by CR Score, from ten published factors. 12 are open 24/7, 17 open Saturdays and 14 open Sundays, based on posted hours. The median Google rating is 4.7★ across 39 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Emergency Plumbing Heating & Air | 63 | 4.8★ (1,104) | Delaware, 17 mi away | 24/7 | Overall |
| 2 | Eco Plumbers, Electricians, and HVAC Technicians | 63 | 4.9★ (1,185) | Delaware, 21 mi away | 24/7 | Emergencies, Most reviews |
| 3 | All-in-one plumbing and heating | 63 | 4.7★ (87) | Marion | 24/7 | — |
| 4 | B&B Mechanical LLC | 62 | 4.9★ (288) | Marion | Sat | — |
| 5 | Delaware Heating & Air | 61 | 4.9★ (457) | Delaware, 20 mi away | 24/7 | — |
| 6 | Reds HVAC and Plumbing | 59 | 4.5★ (31) | Marion | Sat · Sun · Evenings | — |
| 7 | Golden Bear HVAC | 58 | 5.0★ (16) | Grove City, 8 mi away | 24/7 | — |
| 8 | USA Heating & Cooling | 58 | 4.8★ (80) | Marion | — | — |
| 9 | Wenig's Heating & Cooling | 58 | 4.7★ (94) | Marion | — | — |
| 10 | Perfect Balance | 56 | 4.8★ (18) | Grove City, 16 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 trade focus: 4.8★ from 1,104 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Delaware, 21 mi away
Ranked #2 because of its Google rating and review volume: 4.9★ from 1,185 Google reviews, the most in Marion.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marion
Ranked #3 because of its Google rating and trade focus: 4.7★ from 87 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marion
Ranked #4 because of its Google rating and trade focus: 4.9★ from 288 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Delaware, 20 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 457 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marion
Ranked #6 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 Grove City, 8 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marion
Ranked #8 because of its Google rating and trade focus: 4.8★ from 80 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marion
Ranked #9 because of its Google rating and trade focus: 4.7★ from 94 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Grove City, 16 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 18 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marion
Ranked #11 because of its Google rating and trade focus: 4.5★ from 53 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marion
Ranked #12 because of its Google rating and trade focus: 4.3★ from 103 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marion
Ranked #13 because of its Google rating and trade focus: 4.9★ from 28 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marion
Ranked #14 because of its Google rating and trade focus: 4.6★ from 42 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marion
Ranked #15 because of its Google rating and trade focus: 3.5★ from 13 Google reviews, listed on Google as “Heating contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Marion
Ranked #16 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bucyrus, 11 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Delaware, 20 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 10 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Delaware, 20 mi away
Ranked #19 because of its Google rating and trade focus: 4.5★ from 13 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Delaware, 21 mi away
Ranked #20 because of its Google rating and trade focus: 3.9★ from 16 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Delaware, 19 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Delaware, 21 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 20 Google reviews, listed on Google as “Heating contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Bucyrus, 17 mi away
Ranked #23 because of its Google rating and trade focus: 4.7★ from 46 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bucyrus, 16 mi away
Ranked #24 because of its Google rating and trade focus: 4.6★ from 43 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marion
Ranked #25 because of its Google rating and trade focus: 4.0★ from 12 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
#1 to #25 are shown in full above. Here are #26 to #39, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Vertical Heating and Cooling | 51 | 4.3★ (6) | 21 mi |
| 27 | Fox Plumbing & Heating Inc | 51 | 4.4★ (109) | 21 mi |
| 28 | Davis Plumbing Heating Cooling | 51 | 5.0★ (6) | 17 mi |
| 29 | TTM Mechanical | 51 | 4.7★ (16) | 16 mi |
| 30 | Low Temp Refrigeration | 51 | 3.8★ (4) | 21 mi |
| 31 | Kozik Plumbing Heating & Cooling | 50 | 4.2★ (42) | 21 mi |
| 32 | Dan King Plumbing, LLC | 49 | 4.6★ (29) | 25 mi |
| 33 | Thompson plumbing and hvac services llc | 48 | 4.5★ (18) | 25 mi |
| 34 | McWherter Petroleum Services | 48 | 4.2★ (5) | 21 mi |
| 35 | Sears Heating and Air Conditioning | 46 | 4.3★ (3) | 23 mi |
| 36 | Hutchco plumbing & furnace repair | 46 | 5.0★ (3) | 24 mi |
| 37 | All Plumbing & Heating | 46 | 5.0★ (3) | 17 mi |
| 38 | Mullen Environmental Heating & Air Conditioning | 46 | 5.0★ (3) | 18 mi |
| 39 | Ron’s Way LLC. | 40 | 5.0★ (4) | 25 mi |
19 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 |
|---|---|---|
| A-1 Plumbing | 5.0★ (248) | In Marion |
| Al Ulle Plumbing & Heating | 25 mi | |
| Area Energy & Electric, Inc. | 3.2★ (5) | In Marion |
| B & K Plumbing & Heating | 5.0★ (1) | In Marion |
| Burkhart's Plumbing & Heating | 3.0★ (2) | 16 mi |
| COMPLETE TEMPERATURE CONTROL LLC | 19 mi | |
| Delauder Brothers Contracting | In Marion | |
| Done Right HVAC | 5.0★ (2) | 16 mi |
| Falcon Mechanical LLC | 25 mi | |
| Garcia's Elite Contractors | In Marion | |
| J & G Heating & Air Conditioning | 20 mi | |
| Quality Mechanical Services | 18 mi | |
| RDM MANAGEMENT GROUP | In Marion | |
| Regal Plumbing & Heating Co. | 5.0★ (1) | In Marion |
| RetroFoam of Central Ohio | 5.0★ (116) | In Marion |
| Ross Heating & Cooling | 19 mi | |
| Smartway AC & Heating | In Marion | |
| TAC Americas | 5.0★ (1) | 16 mi |
| Webb's Heating & Cooling | 5.0★ (2) | In Marion |
National price ranges in USD, not adjusted for Marion. 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 39 Marion 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 Marion 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 |