94/100CR Score
Ranked #1 because of its Google rating and availability: 4.8★ from 3,299 Google reviews, open 24/7.
- 4.8★ from 3,299 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 91 Terence Dr, Pittsburgh, PA 15236
Best HVAC Contractors in Upper Saint Clair, PA (2026)
408 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Upper Saint Clair: CALFO Home Services, CR Score 94/100; 4.8★ from 3,299 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): J&A Heating, Cooling, Plumbing, & Electrical, posts 24/7 hours; ranked #2 of 408.
- 2
Most-reviewed: J&A Heating, Cooling, Plumbing, & Electrical, 4,278 Google reviews at 4.8★, the most of 408 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
408 Upper Saint Clair HVAC contractors are ranked here by CR Score, from 8 published factors. 135 are open 24/7, 219 open Saturdays and 173 open Sundays, based on posted hours. The median Google rating is 4.8★ across 408 rated businesses.
Top 10 HVAC contractors in Upper Saint Clair at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | CALFO Home Services | 94 | 4.8★ (3,299) | Pittsburgh, 6 mi away | 24/7 | Overall |
| 2 | J&A Heating, Cooling, Plumbing, & Electrical | 93 | 4.8★ (4,278) | West Mifflin, 9 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Denillo Heating & Cooling, Inc. | 93 | 4.9★ (707) | Bethel Park, 2 mi away | 24/7 | — |
| 4 | Sureway Heating Cooling Plumbing | 93 | 4.9★ (608) | Bridgeville, 2 mi away | 24/7 | — |
| 5 | Mark Allen Service Experts | 92 | 4.8★ (1,043) | Bethel Park, 3 mi away | 24/7 | — |
| 6 | Gillece Services | 92 | 4.5★ (3,864) | Bridgeville, 2 mi away | 24/7 | — |
| 7 | Boehmer Heating & Cooling | 92 | 4.8★ (1,350) | Pittsburgh, 7 mi away | 24/7 | — |
| 8 | All Pro Plumbing Heating & Cooling | 91 | 4.9★ (307) | Bethel Park, 3 mi away | 24/7 | — |
| 9 | Armstrong Comfort Solutions | 91 | 4.9★ (1,265) | Pittsburgh, 13 mi away | 24/7 | — |
| 10 | Mitchell Plumbing, Heating, and Cooling | 91 | 5.0★ (4,264) | Bethel Park, 24 mi away | 24/7 | — |
The 408 best HVAC contractors in Upper Saint Clair, 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 West Mifflin, 9 mi away
93/100CR ScoreRanked #2 because of its Google rating and review volume: 4.8★ from 4,278 Google reviews, the most Google reviews on this list (4,278).
- 4.8★ from 4,278 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 347 Lebanon Rd, West Mifflin, PA 15122
Based in Bethel Park, 2 mi away
93/100CR ScoreRanked #3 because of its Google rating and availability: 4.9★ from 707 Google reviews, open 24/7.
- 4.9★ from 707 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2994 Industrial Blvd, Bethel Park, PA 15102
Based in Bridgeville, 2 mi away
93/100CR ScoreRanked #4 because of its Google rating and availability: 4.9★ from 608 Google reviews, open 24/7.
- 4.9★ from 608 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 341 Washington Ave, Bridgeville, PA 15017
Based in Bethel Park, 3 mi away
92/100CR ScoreRanked #5 because of its Google rating and availability: 4.8★ from 1,043 Google reviews, open 24/7.
- 4.8★ from 1,043 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4905 Library Rd, Bethel Park, PA 15102
Based in Bridgeville, 2 mi away
92/100CR ScoreRanked #6 because of its Google rating and availability: 4.5★ from 3,864 Google reviews, open 24/7.
- 4.5★ from 3,864 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3000 Washington Pike, Bridgeville, PA 15017
Based in Pittsburgh, 7 mi away
92/100CR ScoreRanked #7 because of its Google rating and availability: 4.8★ from 1,350 Google reviews, open 24/7.
- 4.8★ from 1,350 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 300 Hargrove St, Pittsburgh, PA 15226
Based in Bethel Park, 3 mi away
91/100CR ScoreRanked #8 because of its Google rating and availability: 4.9★ from 307 Google reviews, open 24/7.
- 4.9★ from 307 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5800 Library Rd, Bethel Park, PA 15102
Based in Pittsburgh, 13 mi away
91/100CR ScoreRanked #9 because of its Google rating and availability: 4.9★ from 1,265 Google reviews, open 24/7.
- 4.9★ from 1,265 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4693 Peoples Rd, Pittsburgh, PA 15237
Based in Bethel Park, 24 mi away
91/100CR ScoreRanked #10 because of its Google rating and review volume: 5.0★ from 4,264 Google reviews, 4,264 Google reviews.
- 5.0★ from 4,264 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
#11 Beverly Services
Based in Bethel Park, 2 mi away
91/100CR ScoreRanked #11 because of its Google rating and availability: 4.7★ from 603 Google reviews, open 24/7.
- 4.7★ from 603 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3044 Industrial Blvd, Bethel Park, PA 15102
Based in Pittsburgh, 15 mi away
91/100CR ScoreRanked #12 because of its Google rating and availability: 4.9★ from 1,453 Google reviews, open 24/7.
- 4.9★ from 1,453 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3467 Babcock Blvd, Pittsburgh, PA 15237
Based in McKees Rocks, 10 mi away
91/100CR ScoreRanked #13 because of its Google rating and availability: 4.8★ from 1,030 Google reviews, open 24/7.
- 4.8★ from 1,030 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 343 Munson Ave, McKees Rocks, PA 15136
Based in Bethel Park, 3 mi away
90/100CR ScoreRanked #14 because of its Google rating and availability: 4.9★ from 168 Google reviews, open 24/7.
- 4.9★ from 168 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4762 Library Rd, Bethel Park, PA 15102
Based in Ambridge, 18 mi away
90/100CR ScoreRanked #15 because of its Google rating and availability: 4.9★ from 1,647 Google reviews, open 24/7.
- 4.9★ from 1,647 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 960 Riverside Pl, Leetsdale, PA 15056
Based in Baldwin, 6 mi away
90/100CR ScoreRanked #16 because of its Google rating and availability: 5.0★ from 126 Google reviews, open 24/7.
- 5.0★ from 126 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Fox Chapel, 18 mi away
90/100CR ScoreRanked #17 because of its Google rating and availability: 4.9★ from 1,139 Google reviews, open 24/7.
- 4.9★ from 1,139 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 6421 Saltsburg Rd, Penn Hills Township, PA 15235
Based in Pittsburgh, 9 mi away
89/100CR ScoreRanked #18 because of its Google rating and availability: 4.9★ from 215 Google reviews, open 24/7.
- 4.9★ from 215 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 606 Liberty Ave # 300, Pittsburgh, PA 15222
Based in Bridgeville, 3 mi away
89/100CR ScoreRanked #19 because of its Google rating and availability: 4.9★ from 90 Google reviews, open 24/7.
- 4.9★ from 90 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1810 Main St, Bridgeville, PA 15017
Based in Pittsburgh, 4 mi away
89/100CR ScoreRanked #20 because of its Google rating and availability: 4.9★ from 89 Google reviews, open 24/7.
- 4.9★ from 89 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3229 W Liberty Ave suite 203, Pittsburgh, PA 15216
Based in McKeesport, 13 mi away
89/100CR ScoreRanked #21 because of its Google rating and availability: 5.0★ from 206 Google reviews, open 24/7.
- 5.0★ from 206 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3701 Walnut St, McKeesport, PA 15132
Based in Pittsburgh, 12 mi away
89/100CR ScoreRanked #22 because of its Google rating and availability: 4.8★ from 418 Google reviews, open 24/7.
- 4.8★ from 418 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 8315 Ohio River Blvd, Pittsburgh, PA 15202
Based in Pittsburgh, 17 mi away
88/100CR ScoreRanked #23 because of its Google rating and availability: 4.9★ from 476 Google reviews, open 24/7.
- 4.9★ from 476 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1394 Frey Rd, Pittsburgh, PA 15235
Based in Pittsburgh, 7 mi away
88/100CR ScoreRanked #24 because of its Google rating and availability: 4.7★ from 232 Google reviews, open 24/7.
- 4.7★ from 232 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 972 Banksville Ave, Pittsburgh, PA 15216
#25 Duda HVAC LLC
Based in West Mifflin, 8 mi away
88/100CR ScoreRanked #25 because of its Google rating and availability: 5.0★ from 89 Google reviews, open 24/7.
- 5.0★ from 89 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 544 Camp Hollow Rd, West Mifflin, PA 15122
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 408 ranked HVAC contractors here; the rest are on their profiles.
Also serving Upper Saint Clair
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) | 5 mi |
| Caruso Heating & Air Conditioning | 1.0★ (2) | 5 mi |
| Cherny Plumbing & Heating, Inc | 3.0★ (2) | 18 mi |
| Contractors Grind | 5.0★ (2) | 9 mi |
| Dr Home Rx | 5.0★ (2) | 9 mi |
| Dual Refrigeration | 3.0★ (2) | 2 mi |
| Dynamic Heating & Cooling Inc | 5.0★ (2) | 17 mi |
| Eastley Inc | 5.0★ (2) | 15 mi |
| P C Mc Kenzie Co | 5.0★ (2) | 2 mi |
| Residential HVAC Services | 5.0★ (2) | 5 mi |
| Ruthrauff Service, LLC | 3.0★ (2) | 12 mi |
| Sears Heating and Air Conditioning | 4.0★ (2) | 17 mi |
| Service Equipment Co Inc | 3.0★ (2) | 13 mi |
| Staab & Sons, Inc. | 4.5★ (78) | 6 mi |
| The Mechanical Services Company | 5.0★ (2) | 18 mi |
| Thermaltech | 5.0★ (2) | 14 mi |
| Three Rivers Mechanical, LLC | 4.5★ (2) | 10 mi |
| Tom Kirchner Heating & Cooling | 4.5★ (2) | 6 mi |
| Tom Yocum Heating and Cooling | 5.0★ (2) | 12 mi |
| VIP Heat & a-C | 3.0★ (2) | 16 mi |
How much do HVAC contractors cost in Upper Saint Clair?
National price ranges in USD, not adjusted for Upper Saint Clair. 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 |
When to hire an HVAC contractor in Pennsylvania
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.
How we ranked Upper Saint Clair HVAC contractors
We scored 408 Upper Saint Clair 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 Upper Saint Clair 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 Upper Saint Clair: frequently asked questions
Who is the best HVAC contractor in Upper Saint Clair?
By CR Score, the highest-ranked HVAC contractor in Upper Saint Clair, PA is CALFO Home Services with a CR Score of 94/100. It has 4.8★ from 3,299 Google reviews. It is open 24/7. J&A Heating, Cooling, Plumbing, & Electrical (#2) and Denillo Heating & Cooling, Inc. (#3) follow. We ranked 408 HVAC contractors on 8 factors, last updated October 22, 2026.
How many HVAC contractors are there in Upper Saint Clair?
ContractorsRanked ranks 408 HVAC contractors serving Upper Saint Clair, PA. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which HVAC contractors in Upper Saint Clair are open 24/7?
135 ranked HVAC contractors in Upper Saint Clair post 24/7 hours. The highest-ranked are CALFO Home Services (#1), J&A Heating, Cooling, Plumbing, & Electrical (#2) and Denillo Heating & Cooling, Inc. (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which HVAC contractors in Upper Saint Clair work on weekends?
219 of 408 ranked HVAC contractors post Saturday hours and 173 post Sunday hours. The highest-ranked open Saturdays are CALFO Home Services (#1), J&A Heating, Cooling, Plumbing, & Electrical (#2) and Denillo Heating & Cooling, Inc. (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does ac replacement cost in Upper Saint Clair?
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 Upper Saint Clair. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Upper Saint Clair HVAC contractors have?
The median Google rating among 408 rated HVAC contractors in Upper Saint Clair is 4.8★, with a median of 23 reviews. J&A Heating, Cooling, Plumbing, & Electrical has the most, 4,278 reviews, and ranks #2. 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 Upper Saint Clair?
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.
How does ContractorsRanked rank HVAC contractors?
Each HVAC contractor gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Update log for Upper Saint Clair
- October 2026: CR Scores recalculated for 408 hvac contractors serving Upper Saint Clair.
- October 2026: 4 duplicate listings merged.
More HVAC contractors and Upper Saint Clair pages
HVAC contractors near Upper Saint Clair
- HVAC contractors in Bridgeville, PA411 ranked
- HVAC contractors in Bryn Mawr, PA401 ranked
- HVAC contractors in Mount Lebanon, PA419 ranked
- HVAC contractors in Bethel Park, PA415 ranked
- HVAC contractors in Castle Shannon, PA422 ranked
- HVAC contractors in Dormont, PA428 ranked
- HVAC contractors in Carnegie, PA424 ranked
- HVAC contractors in Whitehall, PA434 ranked
- HVAC contractors in South Park Township, PA412 ranked
- HVAC contractors in Baldwin, PA430 ranked
Other trades in Upper Saint Clair
- Roofers in Upper Saint Clair515 ranked
- Plumbers in Upper Saint Clair369 ranked
- Electricians in Upper Saint Clair282 ranked
- General contractors in Upper Saint Clair497 ranked
- Painters in Upper Saint Clair223 ranked
- Landscapers in Upper Saint Clair239 ranked
- Handymen in Upper Saint Clair112 ranked
- Kitchen remodelers in Upper Saint Clair254 ranked
- Bathroom remodelers in Upper Saint Clair265 ranked
- Flooring contractors in Upper Saint Clair209 ranked
- Tile installers in Upper Saint Clair49 ranked
- Drywall contractors in Upper Saint Clair12 ranked
- Concrete contractors in Upper Saint Clair214 ranked
- Fence contractors in Upper Saint Clair57 ranked
- Deck builders in Upper Saint Clair150 ranked
- Siding contractors in Upper Saint Clair213 ranked
- Window installers in Upper Saint Clair159 ranked
- Gutter installers in Upper Saint Clair119 ranked
- Insulation contractors in Upper Saint Clair41 ranked
- Solar installers in Upper Saint Clair27 ranked
- Garage door repair companies in Upper Saint Clair62 ranked
- Foundation repair companies in Upper Saint Clair75 ranked
- Tree services in Upper Saint Clair192 ranked
- Masonry contractors in Upper Saint Clair128 ranked
- Water damage restoration companies in Upper Saint Clair187 ranked
- Home builders in Upper Saint Clair170 ranked
- Demolition contractors in Upper Saint Clair50 ranked
- All contractors in Upper Saint Clair