Frew Plumbing Heating & AC
“Installed new toilet where 2 other plumbers were reluctant to touch the old pipes.”
Best HVAC Contractors in Pittsburgh, PA
23 companies listed · all 23 in Pittsburgh · 13 open 24/7 · 17 open weekends · 20 rated 4.5+
Data verified October 31, 2026
Gravener Heating & Air Conditioning
“They were able to install our new A/C unit and troubleshoot two additional issues with the circuit breaker and humidifier.”
Climatech Inc.
“The quality of the work done by Al and Mitch was amazing!”
J.A. Sauer
“After many years of service, I have taken out a maintenance plan from JA Sauer on a new residence because they have always been consistently reliable, with technicians I have always had confidence in.”
Restano Heating
“Service man was very professional trying to repair the old one before installing a new hot water tank checked everything before he left make sure everything is in working condition very professional”
Miller Plumbing Heating Cooling Electric
“Everything was explained to me regarding operation and maintenance of my tankless water heater.”
The 23 companies listed for Pittsburgh, PA work on furnaces, heat pumps and air conditioners. Each profile repeats what the company publishes about its hours, its license and the equipment it fits, alongside ratings and quotes drawn from public reviews.
Area overview: Pittsburgh, PA
All 23 companies we list here are in Pittsburgh itself. We have 64 companies in Pittsburgh on file; this page shows the highest-rated 23. The companies on this page are rated from 4.1 to 4.9 across 10,645 reviews; 22 have 50 or more reviews and 20 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (91%), responsiveness (79%) and punctuality (77%). The topics that come up most in reviews of the companies on this page are "estimates", "cleanliness" and "price". 13 are open around the clock; 17 are open on Saturdays and 16 on Sundays. The services the companies on this page list most often on their websites are heating (4), indoor air quality (4), air conditioning (3), cooling (2) and maintenance (2). 5 show a license on their websites; 3 list staff certifications (NATE and EPA) and 8 have a BBB rating of A or A+. 20 have ten or more years of experience, the longest 93 years. 15 offer emergency call-outs; 18 offer financing or payment plans; 11 give free estimates; 9 are family- or locally-owned and 12 list coupons or special offers. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book.
Which companies listed for Pittsburgh answer no-heat calls at night?
Round the clock availability appears in 13 of the 23 listings on this page. An overnight visit is usually a diagnosis and a temporary fix, since supply counters are shut until morning. Ask what the after hours call out is before the truck leaves.
Schultheis Bros. Heating
“Schultheis Brothers has been wonderful to work with - they were quick to send service to our home, efficient to install, and extremely friendly and accommodating.”
Admiral Heating and Cooling Company
“This is not the first time I have needed service quickly and they have always responded in more than a timely manner .”
Staab & Sons
“They took the time to show and explain how to operate the new systems.”
JDC Heating & Cooling
“He gave us the tools to maintain what we can on our end and a plan moving forward to extend the system's life.”
R. Davis Mechanical
“Rob sent Chris to swap out my hot water tank and the install was quick and effortless.”
South Hills Electric LLC
“Took the time to explain everything they did and about the follow up inspections.”
Bolster-Dehart
“He did the work in a timely manner and answered all of our questions regarding our furnace/air conditioner.”
Boehmer Heating & Cooling
“He was very knowledgeable about the product and gave us choices instead of trying to stuff us into just one.”
PGX Heating and Cooling
“Patrick was very helpful with a phone call consultation regarding HVAC units on our apartment's rooftop.”
White Heating Inc
“White Heating is proactive, they keep in touch and provide great service.”
Jacob Heating and Cooling
“Educated me about proper cleaning and how to have it function properly.”
Stahl Plumbing
“If you're in the Pittsburgh area and need professional heating and air conditioning work Stahl is your company.”
Sullivan Super Service
“Jay told me exactly what they were going to do and how long it would take.”
Woodruff and Smith Heating and Cooling
“Always prompt when I call and able to quickly identify the problem.”
Max C. Smith Co.
“Rob was on time and checked my A/C system, filter and thermostat carefully.”
Calfo Home Services
“Came in very professional explained all that they were doing during the AC check.”
Ted Thompson Heating and Cooling LLC
“Tammy was excellent to work with to get me on the schedule and was extremely accommodating.”
Why these companies made our list
What customers say about companies in Pittsburgh
- “Extremely responsive, personable, prompt, honest about my options, a very fair price, and did a very nice job on all of my new systems.” — customer of Miller Plumbing Heating Cooling Electric
- “Excellent, conscientious, responsive, professional service. They've gone above and beyond to solve some furnace problems and have provided great maintenance over years.” — customer of R. Davis Mechanical
- “We just had a furnace replaced. They are professional --- prompt in responding, their techs are excellent in their workmanship, they clean up when they are finished and as usual they are courteous and friendly.” — customer of Schultheis Bros. Heating
- “Josh was great to work with. He was easy to get in touch with, responsive, and professional.” — customer of JDC Heating & Cooling
- “Patrick was courteous, professional, and honest. Got a new furnace installed within 3 days.” — customer of PGX Heating and Cooling
Excerpts from public reviews of the companies listed on this page.
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