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Best HVAC Contractors in West Mifflin, PA (2026)

432 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in West Mifflin: J&A Heating, Cooling, Plumbing, & Electrical, CR Score 68/100; 4.8★ from 4,278 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): CALFO Home Services, posts 24/7 hours; ranked #2 of 432.

  3. 3

    Most-reviewed: Mitchell Plumbing, Heating, and Cooling, 4,264 Google reviews at 5.0★, the most of 432 ranked after J&A Heating, Cooling, Plumbing, & Electrical; ranked #3.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

432 West Mifflin HVAC contractors are ranked here by CR Score, from ten published factors. 147 are open 24/7, 236 open Saturdays and 188 open Sundays, based on posted hours. The median Google rating is 4.8★ across 432 rated businesses.

Top 10 HVAC contractors in West Mifflin at a glance

Top 10 HVAC contractors in West Mifflin at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1J&A Heating, Cooling, Plumbing, & Electrical684.8★ (4,278)West Mifflin24/7Overall
2CALFO Home Services664.8★ (3,299)Pittsburgh, 6 mi away24/7Emergencies
3Mitchell Plumbing, Heating, and Cooling655.0★ (4,264)Bethel Park, 15 mi away24/7Most reviews
4McVay Plumbing Heating & Cooling Company644.9★ (1,139)Fox Chapel, 9 mi away24/7—
5Boehmer Heating & Cooling644.8★ (1,350)Pittsburgh, 8 mi away24/7—
6Armstrong Comfort Solutions634.9★ (1,265)Pittsburgh, 12 mi away24/7—
7L.Cipriani Heating & Cooling Inc.635.0★ (206)McKeesport, 3 mi away24/7—
8Mark Allen Service Experts634.8★ (1,043)Bethel Park, 9 mi away24/7—
9Restano Heating, Cooling & Plumbing634.8★ (1,123)Pittsburgh, 10 mi away24/7—
10Denillo Heating & Cooling, Inc.634.9★ (707)Bethel Park, 10 mi away24/7—

The 432 best HVAC contractors in West Mifflin, ranked

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.

  2. #2 CALFO Home Services

    Based in Pittsburgh, 6 mi away

    66/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.8★ from 3,299 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 3,299 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    91 Terence Dr, Pittsburgh, PA 15236
    View profile for CALFO Home Services(412) 650-4811

  13. #13 White Heating Inc

    Based in Pittsburgh, 15 mi away

    63/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.9★ from 1,453 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 1,453 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3467 Babcock Blvd, Pittsburgh, PA 15237
    View profile for White Heating Inc(412) 364-5003

  15. #15 A1 Air Duct Cleaning

    Based in Pittsburgh, 7 mi away

    63/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.8★ from 461 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 461 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1048 Jefferson Rd, Pittsburgh, PA 15235
    View profile for A1 Air Duct Cleaning(412) 534-5669

  16. #16 Duda HVAC LLC

    Based in West Mifflin

    63/100CR Score

    Ranked #16 because of its Google rating and trade focus: 5.0★ from 89 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 89 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    544 Camp Hollow Rd, West Mifflin, PA 15122
    View profile for Duda HVAC LLC(724) 554-3408

  17. #17 Gillece Services

    Based in Bridgeville, 13 mi away

    62/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.5★ from 3,864 Google reviews, listed on Google as “HVAC contractor”.

    • 4.5★ from 3,864 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3000 Washington Pike, Bridgeville, PA 15017
    View profile for Gillece Services(412) 219-6474

  22. #22 Beverly Services

    Based in Bethel Park, 10 mi away

    62/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.7★ from 603 Google reviews, listed on Google as “HVAC contractor”.

    • 4.7★ from 603 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3044 Industrial Blvd, Bethel Park, PA 15102
    View profile for Beverly Services(412) 851-1000

  25. #25 JDC Heating & Cooling

    Based in Pittsburgh, 9 mi away

    61/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.9★ from 215 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 215 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    606 Liberty Ave # 300, Pittsburgh, PA 15222
    View profile for JDC Heating & Cooling(412) 478-8865

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 432 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in West Mifflin, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26HVAC Hernandez - Heating, Cooling, and Comfort614.9★ (168)8 mi
27Donahue's Heating & Cooling614.9★ (696)18 mi
28Supreme Heating and Cooling615.0★ (613)7 mi
29Wade Heating & Cooling614.9★ (1,647)24 mi
30Ventec Refrigeration614.9★ (133)9 mi
31Jordan Comfort Solutions615.0★ (79)7 mi
32Knight & Day Plumbing Pittsburgh614.8★ (149)8 mi
33One Hour Heating & Air614.9★ (1,068)10 mi
34Topline Heating & Air604.8★ (622)17 mi
35The Heating And Air Experts604.9★ (162)11 mi
36Heirloom Mechanical605.0★ (37)3 mi
37Metro Heating & Cooling604.7★ (232)10 mi
38365 Climate LLC Heating605.0★ (67)8 mi
39PGX Heating And Cooling605.0★ (212)10 mi
40Frew Plumbing Heating & Air Conditioning604.8★ (418)16 mi
41Warhold Plumbing, Heating and Air Conditioning604.9★ (1,624)6 mi
42Synergy Electrical and Mechanical605.0★ (51)7 mi
43B.E.T. Plumbing LLC605.0★ (103)12 mi
44Dipaola Quality Climate Control Heating, AC, & Plumbing Repair604.9★ (89)9 mi
45J.A. Sauer, Co. Heating & Air Conditioning604.7★ (243)12 mi
46MW Mechanical Services605.0★ (199)17 mi
47Absolute Heating & Air604.9★ (103)11 mi
48Aire Serv of Sewickley604.9★ (278)17 mi
49Ronnie Maier Heating & Air Conditioning, LLC605.0★ (112)14 mi
50Mullen Heating and Air Conditioning594.9★ (55)8 mi

Also serving West Mifflin

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.

Unranked HVAC contractors serving West Mifflin
BusinessGoogle ratingDistance
Admiral Heating and Cooling Company4.5★ (124)8 mi
Air Innovation HVAC5.0★ (2)9 mi
Air Pure Inc. Heating & Air Conditioning4.9★ (123)14 mi
Caruso Heating & Air Conditioning1.0★ (2)8 mi
Cherny Plumbing & Heating, Inc3.0★ (2)8 mi
Contractors Grind5.0★ (2)10 mi
Daikin Applied Service4.5★ (2)8 mi
Dr Home Rx5.0★ (2)8 mi
Dynamic Heating & Cooling Inc5.0★ (2)14 mi
Eastley Inc5.0★ (2)12 mi
P C Mc Kenzie Co5.0★ (2)12 mi
Pennsylvania's Handyman5.0★ (2)9 mi
Pro-Max Mechanical3.0★ (2)9 mi
Residential HVAC Services5.0★ (2)13 mi
Restano Heating, Cooling & Plumbing4.4★ (37)In West Mifflin
Sears Heating and Air Conditioning4.0★ (2)7 mi
Three Rivers Mechanical, LLC4.5★ (2)5 mi
Tom Kirchner Heating & Cooling4.5★ (2)6 mi
Tom Yocum Heating and Cooling5.0★ (2)8 mi
VIP Heat & a-C3.0★ (2)4 mi

How much do HVAC contractors cost in West Mifflin?

National price ranges in USD, not adjusted for West Mifflin. Each row names its basis and the month we checked it.

How much do HVAC contractors cost in West Mifflin?
JobLowTypicalHighBasisChecked
AC replacement$3,887$5,978$8,073Per system, installed (unit plus labor); typical range of customer-reported jobs. US national rangeOctober 2026
Furnace replacement$2,823$4,814$6,896Per system, installed; typical range of customer-reported jobs. US national rangeOctober 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 West Mifflin HVAC contractors

We scored 432 West Mifflin 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn West Mifflin data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

HVAC contractors in West Mifflin: frequently asked questions

Who is the best HVAC contractor in West Mifflin?

By CR Score, the highest-ranked HVAC contractor in West Mifflin, PA is J&A Heating, Cooling, Plumbing, & Electrical with a CR Score of 68/100. It has 4.8★ from 4,278 Google reviews. It is open 24/7. CALFO Home Services (#2) and Mitchell Plumbing, Heating, and Cooling (#3) follow. We ranked 432 HVAC contractors on ten factors, last updated October 22, 2026.

How many HVAC contractors are there in West Mifflin?

ContractorsRanked ranks 432 HVAC contractors serving West Mifflin, PA. 3 of them are based in West Mifflin; 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 West Mifflin are open 24/7?

147 ranked HVAC contractors in West Mifflin post 24/7 hours. The highest-ranked are J&A Heating, Cooling, Plumbing, & Electrical (#1), CALFO Home Services (#2) and Mitchell Plumbing, Heating, and Cooling (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in West Mifflin work on weekends?

236 of 432 ranked HVAC contractors post Saturday hours and 188 post Sunday hours. The highest-ranked open Saturdays are J&A Heating, Cooling, Plumbing, & Electrical (#1), CALFO Home Services (#2) and Mitchell Plumbing, Heating, and Cooling (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does ac replacement cost in West Mifflin?

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 West Mifflin. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do West Mifflin HVAC contractors have?

The median Google rating among 432 rated HVAC contractors in West Mifflin is 4.8★, with a median of 22 reviews. J&A Heating, Cooling, Plumbing, & Electrical has the most, 4,278 reviews, and ranks #1. 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 West Mifflin?

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 ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Update log for West Mifflin

  1. October 2026: CR Scores recalculated for 432 hvac contractors serving West Mifflin.
  2. October 2026: 4 duplicate listings merged.

More HVAC contractors and West Mifflin pages

Other trades in West Mifflin