51 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Ada: Siferd Plumbing Heating & A/C LLC, CR Score 90/100; 4.9★ from 1,237 Google reviews; open 24/7.
Best for emergencies (open 24/7): Ada Services, posts 24/7 hours; ranked #2 of 51.
Most-reviewed: Beltz Home Service Co., 1,708 Google reviews at 4.8★, the most of 51 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
51 Ada HVAC contractors are ranked here by CR Score, from 8 published factors. 9 are open 24/7, 12 open Saturdays and 9 open Sundays, based on posted hours. The median Google rating is 4.5★ across 51 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Siferd Plumbing Heating & A/C LLC | 90 | 4.9★ (1,237) | Findlay, 23 mi away | 24/7 | Overall |
| 2 | Ada Services | 87 | 4.5★ (33) | Ada | 24/7 | Emergencies |
| 3 | American Heating & Air Conditioning | 84 | 4.4★ (73) | Lima, 14 mi away | 24/7 | — |
| 4 | Beltz Home Service Co. | 83 | 4.8★ (1,708) | Findlay, 21 mi away | Sat | Most reviews |
| 5 | Quality Mechanical Services | 82 | 4.1★ (168) | Lima, 14 mi away | 24/7 | — |
| 6 | All Star Plumbing & Heating LLC | 82 | 4.5★ (58) | Findlay, 22 mi away | 24/7 | — |
| 7 | Broadstone's Mechanical Services | 81 | 4.3★ (11) | Kenton, 11 mi away | 24/7 | — |
| 8 | Dynamic Heating Cooling & Plumbing | 79 | 4.9★ (19) | Findlay, 21 mi away | 24/7 | — |
| 9 | CREPS Plumbing Heating & Air Conditioning LLC | 79 | 3.2★ (6) | Lima, 17 mi away | 24/7 | — |
| 10 | Thiry Heating & Cooling LLC | 78 | 5.0★ (19) | Findlay, 21 mi away | Sat · Sun · Evenings | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and availability: 4.9★ from 1,237 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ada
Ranked #2 because of its Google rating and availability: 4.5★ from 33 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lima, 14 mi away
Ranked #3 because of its Google rating and availability: 4.4★ from 73 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Findlay, 21 mi away
Ranked #4 because of its Google rating and review volume: 4.8★ from 1,708 Google reviews, the most Google reviews on this list (1,708).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lima, 14 mi away
Ranked #5 because of its Google rating and availability: 4.1★ from 168 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Findlay, 22 mi away
Ranked #6 because of its Google rating and availability: 4.5★ from 58 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kenton, 11 mi away
Ranked #7 because of its Google rating and availability: 4.3★ from 11 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Findlay, 21 mi away
Ranked #8 because of its Google rating and availability: 4.9★ from 19 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lima, 17 mi away
Ranked #9 because of its Google rating and availability: 3.2★ from 6 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Findlay, 21 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Findlay, 22 mi away
Ranked #11 because of its Google rating and trade focus: 4.6★ from 65 Google reviews, listed on Google as “HVAC contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Findlay, 21 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 358 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Findlay, 21 mi away
Ranked #13 because of its Google rating and trade focus: 4.4★ from 13 Google reviews, listed on Google as “Heating contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Lima, 12 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 42 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Findlay, 20 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 81 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Findlay, 19 mi away
Ranked #16 because of its Google rating and trade focus: 4.2★ from 11 Google reviews, listed on Google as “Heating contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Maumee, 12 mi away
Ranked #17 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Findlay, 21 mi away
Ranked #18 because of its Google rating and trade focus: 3.6★ from 7 Google reviews, listed on Google as “Heating contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Lima, 17 mi away
Ranked #19 because of its Google rating and trade focus: 4.7★ from 3 Google reviews, listed on Google as “Heating contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Lima, 16 mi away
Ranked #20 because of its Google rating and trade focus: 4.5★ from 50 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lima, 12 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kenton, 15 mi away
Ranked #22 because of its Google rating and trade focus: 4.6★ from 29 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Findlay, 23 mi away
Ranked #23 because of its Google rating and trade focus: 4.0★ from 11 Google reviews, listed on Google as “Air conditioning contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Lima, 16 mi away
Ranked #24 because of its Google rating and trade focus: 3.0★ from 10 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Findlay, 18 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 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 51 ranked HVAC contractors here; the rest are on their profiles.
15 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 |
|---|---|---|
| Advantage HVAC and Home Services LLC | 21 mi | |
| BNR Contracting | 14 mi | |
| Campbell Mechanical Services | 5.0★ (1) | 21 mi |
| Carrier Heating & Cooling | 3.0★ (2) | 14 mi |
| Cleaves Mechanical Services | 5.0★ (2) | 18 mi |
| Eisert Plumbing & Heating | 4.0★ (1) | 23 mi |
| GEM Energy | 16 mi | |
| Hancock Heating & Cooling LLC | 21 mi | |
| Holmes Improvements | 12 mi | |
| Houston Elec. Plb. Htg, inc. | 5.0★ (1) | 23 mi |
| Masters Heating & Cooling | 15 mi | |
| MCL Chimney repairs & Chimney inspection Wapakoneta, OH | 24 mi | |
| Smartway AC & Heating | 15 mi | |
| TDK Leasing | 18 mi | |
| Washam Plumbing Heating & Air Conditioning, INC. | 3.7★ (30) | 20 mi |
National price ranges in USD, not adjusted for Ada. 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 51 Ada 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 Ada 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 |