31 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Northwood: Everything for Pets, CR Score 65/100; 4.6★ from 751 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Mauder Heating & Air Conditioning, posts 24/7 hours; ranked #2 of 31.
Most-reviewed: Wojo's Heating &Air Conditioning, 759 Google reviews at 4.8★, the most of 31 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
31 Northwood HVAC contractors are ranked here by CR Score, from ten published factors. 5 are open 24/7, 11 open Saturdays and 7 open Sundays, based on posted hours. The median Google rating is 4.5★ across 31 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Everything for Pets | 65 | 4.6★ (751) | Northwood | Sat · Sun · Evenings | Overall |
| 2 | Mauder Heating & Air Conditioning | 64 | 4.8★ (153) | Northwood | 24/7 | Emergencies |
| 3 | Wojo's Heating &Air Conditioning | 62 | 4.8★ (759) | Northwood | — | Most reviews |
| 4 | J & J Heating and Air Conditioning | 61 | 4.7★ (51) | Northwood | 24/7 | — |
| 5 | Thermo King Midwest | 57 | 4.4★ (119) | Northwood | — | — |
| 6 | Reds hvac division | 56 | 4.4★ (104) | Grove City, 10 mi away | — | — |
| 7 | Spartan Mechanical Services LLC | 55 | 5.0★ (26) | Sidney, 21 mi away | 24/7 | — |
| 8 | Peterson Electric & Heating | 55 | 5.0★ (21) | Bellefontaine, 10 mi away | — | — |
| 9 | Ada Services | 55 | 4.5★ (33) | Ada, 21 mi away | 24/7 | — |
| 10 | Maumee Valley Heating & Air Conditioning | 55 | 5.0★ (19) | Northwood | — | — |
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: 4.6★ from 751 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Northwood
Ranked #2 because of its Google rating and trade focus: 4.8★ from 153 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Northwood
Ranked #3 because of its Google rating and review volume: 4.8★ from 759 Google reviews, the most in Northwood.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Northwood
Ranked #4 because of its Google rating and trade focus: 4.7★ from 51 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Northwood
Ranked #5 because of its Google rating and trade focus: 4.4★ from 119 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Grove City, 10 mi away
Ranked #6 because of its Google rating and trade focus: 4.4★ from 104 Google reviews, listed on Google as “HVAC contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Sidney, 21 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bellefontaine, 10 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Heating contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Ada, 21 mi away
Ranked #9 because of its Google rating and trade focus: 4.5★ from 33 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Northwood
Ranked #10 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Northwood
Ranked #11 because of its Google rating and trade focus: 3.5★ from 30 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kenton, 17 mi away
Ranked #12 because of its Google rating and trade focus: 4.3★ from 11 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Dublin, 23 mi away
Ranked #13 because of its Google rating and trade focus: 3.8★ from 374 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marysville, 19 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 38 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Northwood
Ranked #15 because of its Google rating and trade focus: 4.4★ from 11 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bellefontaine, 8 mi away
Ranked #16 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Heating contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Northwood
Ranked #17 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Marysville, 9 mi away
Ranked #18 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 Kenton, 14 mi away
Ranked #19 because of its Google rating and trade focus: 4.6★ from 29 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Northwood
Ranked #20 because of its Google rating and trade focus: 3.1★ from 7 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bellefontaine, 11 mi away
Ranked #21 because of its Google rating and trade focus: 4.5★ from 17 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bellefontaine, 6 mi away
Ranked #22 because of its Google rating and trade focus: 4.1★ from 9 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Northwood
Ranked #23 because of its Google rating and review volume: 4.8★ from 43 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bellefontaine, 9 mi away
Ranked #24 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “HVAC contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Urbana, 24 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Heating 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 #31, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Houston Electric Plumbing Heating & Air Conditioning | 47 | 4.5★ (16) | 25 mi |
| 27 | Quality Plumbing Heating & AC | 47 | 4.0★ (8) | 25 mi |
| 28 | Printz Plumbing Heating & Cooling LLC | 47 | 4.0★ (4) | 20 mi |
| 29 | Burns Heating And Cooling Llc | 47 | 4.3★ (6) | 25 mi |
| 30 | Schnippel Electric Plumbing & Heating | 47 | 4.9★ (7) | 22 mi |
| 31 | Dotson Plumbing, Heating & A/C | 47 | 3.9★ (21) | 25 mi |
17 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 |
|---|---|---|
| Absolute Heating & Air Conditioning | 1.0★ (1) | In Northwood |
| BNR Contracting | 14 mi | |
| Eisert Plumbing & Heating | 4.0★ (1) | 24 mi |
| GEM, Inc. | 3.9★ (20) | In Northwood |
| Good's Air Conditioning Heating & Refrigeration | 8 mi | |
| Houston Elec. Plb. Htg, inc. | 5.0★ (1) | 24 mi |
| HVAC Toledo 24/7 | In Northwood | |
| J & M HEATING & COOLING SERVICES LLC. | In Northwood | |
| Main Gas & Appliance | 24 mi | |
| Northwest Handyman Services LLC | 5.0★ (2) | In Northwood |
| OBR Cooling Towers | 5.0★ (1) | In Northwood |
| Quality Mechanical Services | 8 mi | |
| Rok's Hvac Service | In Northwood | |
| Rudolph Libbe Inc. | 4.4★ (33) | In Northwood |
| Tamsah Enterprises LLC | 1.0★ (1) | 8 mi |
| Turner Concrete Products | 4.8★ (14) | In Northwood |
| Widetrack Contracting | In Northwood |
National price ranges in USD, not adjusted for Northwood. 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 31 Northwood 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 Northwood 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 |