398 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Carnot-Moon: Wade Heating & Cooling, CR Score 66/100; 4.9★ from 1,647 Google reviews; open 24/7.
Best for emergencies (open 24/7): White Heating Inc, posts 24/7 hours; ranked #2 of 398.
Most-reviewed: J&A Heating, Cooling, Plumbing, & Electrical, 4,278 Google reviews at 4.8★, the most of 398 ranked; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
398 Carnot-Moon HVAC contractors are ranked here by CR Score, from ten published factors. 141 are open 24/7, 224 open Saturdays and 175 open Sundays, based on posted hours. The median Google rating is 4.8★ across 398 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Wade Heating & Cooling | 66 | 4.9★ (1,647) | Ambridge, 4 mi away | 24/7 | Overall |
| 2 | White Heating Inc | 64 | 4.9★ (1,453) | Pittsburgh, 10 mi away | 24/7 | Emergencies |
| 3 | Armstrong Comfort Solutions | 63 | 4.9★ (1,265) | Pittsburgh, 12 mi away | 24/7 | — |
| 4 | TUDI Mechanical Systems | 63 | 4.8★ (1,030) | McKees Rocks, 9 mi away | 24/7 | — |
| 5 | Betlyn Heating & Cooling Inc | 63 | 4.9★ (209) | Coraopolis, 3 mi away | 24/7 | — |
| 6 | J&A Heating, Cooling, Plumbing, & Electrical | 63 | 4.8★ (4,278) | West Mifflin, 18 mi away | 24/7 | Most reviews |
| 7 | CALFO Home Services | 63 | 4.8★ (3,299) | Pittsburgh, 18 mi away | 24/7 | — |
| 8 | Boehmer Heating & Cooling | 63 | 4.8★ (1,350) | Pittsburgh, 13 mi away | 24/7 | — |
| 9 | Frew Plumbing Heating & Air Conditioning | 63 | 4.8★ (418) | Pittsburgh, 6 mi away | 24/7 | — |
| 10 | Mitchell Plumbing, Heating, and Cooling | 63 | 5.0★ (4,264) | Bethel Park, 25 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 1,647 Google reviews, listed on Google as “HVAC contractor”.
Based in Pittsburgh, 10 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 1,453 Google reviews, listed on Google as “HVAC contractor”.
Based in Pittsburgh, 12 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 1,265 Google reviews, listed on Google as “HVAC contractor”.
Based in McKees Rocks, 9 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 1,030 Google reviews, listed on Google as “HVAC contractor”.
Based in Coraopolis, 3 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 209 Google reviews, listed on Google as “HVAC contractor”.
Based in West Mifflin, 18 mi away
Ranked #6 because of its Google rating and review volume: 4.8★ from 4,278 Google reviews, the most in Carnot-Moon.
Based in Pittsburgh, 18 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 3,299 Google reviews, listed on Google as “HVAC contractor”.
Based in Pittsburgh, 13 mi away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 1,350 Google reviews, listed on Google as “HVAC contractor”.
Based in Pittsburgh, 6 mi away
Ranked #9 because of its Google rating and trade focus: 4.8★ from 418 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Bethel Park, 25 mi away
Ranked #10 because of its Google rating and review volume: 5.0★ from 4,264 Google reviews.
Based in Bridgeville, 12 mi away
Ranked #11 because of its Google rating and trade focus: 4.5★ from 3,864 Google reviews, listed on Google as “HVAC contractor”.
Based in Beaver Falls, 13 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 2,353 Google reviews, listed on Google as “HVAC contractor”.
Based in Bridgeville, 12 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 608 Google reviews, listed on Google as “HVAC contractor”.
Based in Ambridge, 8 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 278 Google reviews, listed on Google as “HVAC contractor”.
Based in Carnot-Moon
Ranked #15 because of its Google rating and trade focus: 4.9★ from 189 Google reviews, listed on Google as “HVAC contractor”.
Based in New Brighton, 15 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 530 Google reviews, listed on Google as “HVAC contractor”.
Based in Carnot-Moon
Ranked #17 because of its Google rating and trade focus: 4.7★ from 115 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Bethel Park, 16 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 1,043 Google reviews, listed on Google as “HVAC contractor”.
Based in Bethel Park, 16 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 707 Google reviews, listed on Google as “HVAC contractor”.
Based in Bellevue, 9 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 112 Google reviews, listed on Google as “HVAC contractor”.
Based in Fox Chapel, 22 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 1,139 Google reviews, listed on Google as “HVAC contractor”.
Based in Economy, 17 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 508 Google reviews, listed on Google as “HVAC contractor”.
Based in Carnot-Moon
Ranked #23 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “Heating contractor”.
Based in Pittsburgh, 9 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 103 Google reviews, listed on Google as “HVAC contractor”.
Based in Pittsburgh, 13 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 215 Google reviews, listed on Google as “HVAC contractor”.
#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 398 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 |
|---|---|---|
| Air Innovation HVAC | 5.0★ (2) | 13 mi |
| Albert Herman Electrical / AC Herman Electronics LLC | 4.4★ (7) | In Carnot-Moon |
| Appalachian Air Products | In Carnot-Moon | |
| Bactronix Corp. | 5.0★ (1,932) | In Carnot-Moon |
| Best Attic-Solution & Insulation's And Roofing Service Moon Township, PA | In Carnot-Moon | |
| Contractors Grind | 5.0★ (2) | 12 mi |
| Craft Heating Company | 4.4★ (99) | 10 mi |
| D&A | 5.0★ (2) | 6 mi |
| Dr Home Rx | 5.0★ (2) | 14 mi |
| Mullen Heating and Air Conditioning | 4.9★ (55) | 14 mi |
| P C Mc Kenzie Co | 5.0★ (2) | 13 mi |
| Residential HVAC Services | 5.0★ (2) | In Carnot-Moon |
| Ruthrauff Service | In Carnot-Moon | |
| Ruthrauff Service, LLC | 3.0★ (2) | 4 mi |
| S & S Climate Systems LLC | 4.6★ (10) | In Carnot-Moon |
| Service Equipment Co Inc | 3.0★ (2) | 8 mi |
| The Mechanical Services Company | 5.0★ (2) | 8 mi |
| Thermaltech | 5.0★ (2) | In Carnot-Moon |
| Trane Commercial Sales Office | In Carnot-Moon | |
| Waldron Electric Heating Cooling Same Day Services | 4.1★ (341) | 7 mi |
National price ranges in USD, not adjusted for Carnot-Moon. 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 Pennsylvania, 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 398 Carnot-Moon 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 Carnot-Moon 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 |