94/100CR Score
Ranked #1 because of its Google rating and availability: 4.9★ from 500 Google reviews, open 24/7.
- 4.9★ from 500 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 10 College St, Mt Vernon, OH 43050
Best HVAC Contractors in Mount Vernon, OH (2026)
84 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Mount Vernon: Cosby Heating and Cooling, CR Score 94/100; 4.9★ from 500 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Peterman Brothers Heating Cooling Plumbing, posts 24/7 hours; ranked #2 of 84.
- 7
Most-reviewed: Dor Mar Heating & Air Conditioning, 1,591 Google reviews at 4.6★, the most of 84 ranked; ranked #7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
84 Mount Vernon HVAC contractors are ranked here by CR Score, from 8 published factors. 35 are open 24/7, 47 open Saturdays and 36 open Sundays, based on posted hours. The median Google rating is 4.8★ across 84 rated businesses.
Top 10 HVAC contractors in Mount Vernon at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Cosby Heating and Cooling | 94 | 4.9★ (500) | Mount Vernon | 24/7 | Overall |
| 2 | Peterman Brothers Heating Cooling Plumbing | 92 | 4.7★ (484) | Mount Vernon | 24/7 | Emergencies |
| 3 | MAC Heating & Cooling | 90 | 4.8★ (68) | Mount Vernon | 24/7 | — |
| 4 | Foster's Heating & Air | 89 | 4.9★ (139) | Canton, 10 mi away | 24/7 | — |
| 5 | Westin Air Heating and Cooling - Sunbury Ohio | 88 | 5.0★ (355) | Sunbury, 23 mi away | 24/7 | — |
| 6 | Roberts Heating and Cooling | 88 | 5.0★ (71) | Covington, 10 mi away | 24/7 | — |
| 7 | Dor Mar Heating & Air Conditioning | 87 | 4.6★ (1,591) | Newark, 24 mi away | 24/7 | Most reviews |
| 8 | Xtreme Air LLC | 87 | 5.0★ (15) | Mount Vernon | 24/7 | — |
| 9 | Apex Pros Plumbing, Electrical, Heating and Air | 87 | 4.8★ (549) | Newark, 24 mi away | 24/7 | — |
| 10 | Moore's Heating and Air Conditioning | 87 | 5.0★ (162) | Newark, 22 mi away | 24/7 | — |
The 84 best HVAC contractors in Mount Vernon, ranked
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Mount Vernon
92/100CR ScoreRanked #2 because of its Google rating and availability: 4.7★ from 484 Google reviews, open 24/7.
- 4.7★ from 484 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 14580 Wooster Rd, Mt Vernon, OH 43050
Based in Mount Vernon
90/100CR ScoreRanked #3 because of its Google rating and availability: 4.8★ from 68 Google reviews, open 24/7.
- 4.8★ from 68 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 11529 Green Valley Rd, Mt Vernon, OH 43050
Based in Canton, 10 mi away
89/100CR ScoreRanked #4 because of its Google rating and availability: 4.9★ from 139 Google reviews, open 24/7.
- 4.9★ from 139 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Sunbury, 23 mi away
88/100CR ScoreRanked #5 because of its Google rating and availability: 5.0★ from 355 Google reviews, open 24/7.
- 5.0★ from 355 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 725 Kintner Pkwy, Sunbury, OH 43074
Based in Covington, 10 mi away
88/100CR ScoreRanked #6 because of its Google rating and availability: 5.0★ from 71 Google reviews, open 24/7.
- 5.0★ from 71 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Newark, 24 mi away
87/100CR ScoreRanked #7 because of its Google rating and review volume: 4.6★ from 1,591 Google reviews, the most Google reviews on this list (1,591).
- 4.6★ from 1,591 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 228 E Main St, Newark, OH 43055
Based in Mount Vernon
87/100CR ScoreRanked #8 because of its Google rating and availability: 5.0★ from 15 Google reviews, open 24/7.
- 5.0★ from 15 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 506 Harcourt Rd, Mt Vernon, OH 43050
Based in Newark, 24 mi away
87/100CR ScoreRanked #9 because of its Google rating and availability: 4.8★ from 549 Google reviews, open 24/7.
- 4.8★ from 549 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 106 S 27th St, Newark, OH 43055
Based in Newark, 22 mi away
87/100CR ScoreRanked #10 because of its Google rating and availability: 5.0★ from 162 Google reviews, open 24/7.
- 5.0★ from 162 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 392 Jefferson Rd, Newark, OH 43055
Based in Newark, 24 mi away
86/100CR ScoreRanked #11 because of its Google rating and availability: 4.8★ from 349 Google reviews, open 24/7.
- 4.8★ from 349 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 33 W Main St Suite 201-C, Newark, OH 43055
Based in Sunbury, 18 mi away
86/100CR ScoreRanked #12 because of its Google rating and availability: 5.0★ from 68 Google reviews, open 24/7.
- 5.0★ from 68 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3786 OH-3 Unit 5, Sunbury, OH 43074
#13 Sensible Air
Based in Portsmouth, 10 mi away
86/100CR ScoreRanked #13 because of its Google rating and availability: 5.0★ from 43 Google reviews, open 24/7.
- 5.0★ from 43 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Newark, 24 mi away
85/100CR ScoreRanked #14 because of its Google rating and availability: 4.8★ from 163 Google reviews, open 24/7.
- 4.8★ from 163 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2112 Cherry Valley Rd suite E2, Newark, OH 43055
Based in Urbana, 10 mi away
83/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 45 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 45 Google reviews
- Hours
- Mon–Sun 6 AM–9 PM
Based in Heath, 10 mi away
83/100CR ScoreRanked #16 because of its Google rating and availability: 4.6★ from 10 Google reviews, open 24/7.
- 4.6★ from 10 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Franklin, 10 mi away
83/100CR ScoreRanked #17 because of its Google rating and availability: 4.6★ from 21 Google reviews, open 24/7.
- 4.6★ from 21 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Grove City, 10 mi away
83/100CR ScoreRanked #18 because of its Google rating and availability: 4.1★ from 14 Google reviews, open 24/7.
- 4.1★ from 14 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Heath, 25 mi away
83/100CR ScoreRanked #19 because of its Google rating and availability: 4.8★ from 57 Google reviews, open 24/7.
- 4.8★ from 57 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 409 S 22nd St suite 8, Heath, OH 43056
Based in Elyria, 10 mi away
82/100CR ScoreRanked #20 because of its Google rating and availability: 4.3★ from 7 Google reviews, open 24/7.
- 4.3★ from 7 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Dayton, 10 mi away
82/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 21 Google reviews
- Hours
- Mon–Thu 9 AM–9 PM · Fri 9 AM–5 PM · Sat 11 AM–5 PM · Sun 12 PM–5 PM
Based in Mount Vernon
82/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 165 Google reviews, listed on Google as “Heating contractor”.
- 5.0★ from 165 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 21830 Newcastle Rd, Gambier, OH 43022
Based in New Albany, 17 mi away
81/100CR ScoreRanked #23 because of its Google rating and availability: 4.5★ from 39 Google reviews, open 24/7.
- 4.5★ from 39 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 8785 Crouse-Willison Rd, Johnstown, OH 43031
Based in New Albany, 24 mi away
81/100CR ScoreRanked #24 because of its Google rating and availability: 4.4★ from 62 Google reviews, open 24/7.
- 4.4★ from 62 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 88 Stonesthrow Dr, Alexandria, OH 43001
#25 E&J HVAC
Based in Lancaster, 10 mi away
81/100CR ScoreRanked #25 because of its Google rating and availability: 4.3★ from 7 Google reviews, open 24/7.
- 4.3★ from 7 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
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 84 ranked HVAC contractors here; the rest are on their profiles.
Also serving Mount Vernon
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 |
|---|---|---|
| American Heating & Cooling-HVAC | 5.0★ (1) | 10 mi |
| Coffing Electric LLC | 4.9★ (60) | In Mount Vernon |
| Controlled Air Systems. Inc | 5.0★ (2) | 10 mi |
| Elliott Heating and Cooling | 5.0★ (78) | 23 mi |
| Exclusive Geo Works LLC | 5.0★ (2) | 20 mi |
| EZ HEAT Heating, Cooling & Plumbing | 4.9★ (66) | 18 mi |
| Guaranteed Services, | 5.0★ (1) | 10 mi |
| Harco Services LLC | 5.0★ (1) | 10 mi |
| HOLT HEATING & COOLING | 4.0★ (1) | 10 mi |
| Houston Plumbing & Heating | 4.8★ (190) | 24 mi |
| McCabe's Heating & Air Conditioning | 5.0★ (2) | 21 mi |
| Mercury Heating & Cooling | 5.0★ (2) | 23 mi |
| Mount Vernon Air Duct Cleaning & Dryer Vent Cleaning Services | 4.8★ (4) | In Mount Vernon |
| Mount Vernon Overhead Door, LLC. | 4.4★ (31) | In Mount Vernon |
| Neumann Heating & Cooling | 5.0★ (7) | 24 mi |
| RCI Mechanical | 4.8★ (326) | In Mount Vernon |
| Riddle Services & Restoration - Findlay | 5.0★ (2) | 10 mi |
| Sears Heating and Air Conditioning | In Mount Vernon | |
| Total Energy Heating & Cooling | 5.0★ (2) | 14 mi |
| True North | 3.3★ (15) | 20 mi |
How much do HVAC contractors cost in Mount Vernon?
National price ranges in USD, not adjusted for Mount Vernon. 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 |
How to check an HVAC contractor's license in Ohio
In Ohio, Ohio Construction Industry Licensing Board licenses Commercial HVAC and refrigeration contractor licenses.
- Search the business name or license number on the Ohio Construction Industry Licensing Board license lookup.
- Check that the status is active and the name matches the contract or truck.
- 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 Mount Vernon HVAC contractors
We scored 84 Mount Vernon HVAC contractors on 8 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. Unknown factors are left out of the score, 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 Mount Vernon data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |
HVAC contractors in Mount Vernon: frequently asked questions
Who is the best HVAC contractor in Mount Vernon?
By CR Score, the highest-ranked HVAC contractor in Mount Vernon, OH is Cosby Heating and Cooling with a CR Score of 94/100. It has 4.9★ from 500 Google reviews. It is open 24/7. Peterman Brothers Heating Cooling Plumbing (#2) and MAC Heating & Cooling (#3) follow. We ranked 84 HVAC contractors on 8 factors, last updated October 22, 2026.
How many HVAC contractors are there in Mount Vernon?
ContractorsRanked ranks 84 HVAC contractors serving Mount Vernon, OH. 11 of them are based in Mount Vernon; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which HVAC contractors in Mount Vernon are open 24/7?
35 ranked HVAC contractors in Mount Vernon post 24/7 hours. The highest-ranked are Cosby Heating and Cooling (#1), Peterman Brothers Heating Cooling Plumbing (#2) and MAC Heating & Cooling (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which HVAC contractors in Mount Vernon work on weekends?
47 of 84 ranked HVAC contractors post Saturday hours and 36 post Sunday hours. The highest-ranked open Saturdays are Cosby Heating and Cooling (#1), Peterman Brothers Heating Cooling Plumbing (#2) and MAC Heating & Cooling (#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 Mount Vernon?
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 Mount Vernon. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Mount Vernon HVAC contractors have?
The median Google rating among 84 rated HVAC contractors in Mount Vernon is 4.8★, with a median of 19 reviews. Dor Mar Heating & Air Conditioning has the most, 1,591 reviews, and ranks #7. 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 Mount Vernon?
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 Mount Vernon
- October 2026: CR Scores recalculated for 84 hvac contractors serving Mount Vernon.
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