Werley Heating & Air Conditioning
“I was very pleased with his service and would be glad to have him back anytime .”
Best HVAC Contractors in Allentown, PA
19 companies listed · all 19 in Allentown · 5 open 24/7 · 8 open weekends · 15 rated 4.5+
Data verified October 31, 2026
Meisner Services
“I want to express how Both Joyce and Andrew were so help full in getting my service completed.”
Schuler Service
“Schuler and my technician, Chuck, made my discovery of a leaking home water heater into a great recovery experience.”
Curtis Total Service
“Alex, Miles, Elvis & Kamal were very professional, explained what they were doing, and did a great job.”
Maitz Home Services
“Technician Audie Prey did an excellent job in explaining what has to be replaced.”
Jack Lehr Heating Cooling & Electric
“We have had Jack Lehr for several years and are very pleased with their service.”
The 19 companies listed for Allentown, 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: Allentown, PA
All 19 companies we list here are in Allentown itself. The companies on this page are rated from 2.5 to 5.0 across 7,145 reviews; 7 have 50 or more reviews and 15 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (88%), responsiveness (80%) and punctuality (78%). The topics that come up most in reviews of the companies on this page are "price" and "informative". 5 are open around the clock; 8 are open on Saturdays and 6 on Sundays. The services the companies on this page list most often on their websites are service agreements (3), air conditioning (2), cooling services (2), extended warranties (2) and heating services (2). 1 lists staff certifications (NATE) and 5 have a BBB rating of A or A+. Domain records put 14 websites of the companies on this page at ten or more years old; the oldest dates from 1997. 9 offer emergency call-outs; 8 offer financing or payment plans; 4 give free estimates; 3 are family- or locally-owned and 7 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.
Do any heating firms listed for Allentown work on Saturdays or Sundays?
Saturday or Sunday hours show up for 8 of the 19 companies here. Saturdays fill with the calls that came in on Friday, so ask whether you are getting a repair slot or a sales visit. Sunday work is usually treated as an emergency call.
ICS Heating & Air Conditioning Co
“They provided a reasonable price, explained what they were doing each step of the way and listened to my input.”
Zongora Comfort Solutions
“We are very pleased with the service and personal care that everyone from Zongora provided to us!”
MBI Heating and Air Conditioning
“They have always been accommodating with scheduling and they are fair and honest.”
Weaver Fuels
“They are a company that did exactly what I asked for and I appreciate the quick response.”
Dual Temp Co Inc
“Having some issues with our ac, and Nate arrived promptly, diagnosed the problem, and got the job done efficiently.”
Integrity Residential Maintenance LLC
“Gave me lots of useful tips to keep my heating system running probably for years to come.”
Wisser Coal & Fuel Oil
“Wisser oil provides all the heater maintenance for all 3 of our oil fired EFM furnaces.”
Climate Specialists
H. T. Lyons
“Best Mechanical Contractor in the Lehigh Valey”
Demeter's Climate Control
“Quick response, professional service, will use again!”
URI Compressors Inc
“Excellent pricing on compressors and customer service is top shelf.”
Philadelphia Hvac Masters
“His extensive knowledge was evident as he explained the process in a way that was easy for us to understand.”
Morrison Heating & Cooling
“Ed will get the job done and you won't feel like you were taken advantage of.”
Why these companies made our list
What customers say about companies in Allentown
- “Ty did an awesome job installing my heat pump system at a reasonable price.” — customer of Integrity Residential Maintenance LLC
- “Matt came to service my heat pump and was very professional and helpful.” — customer of Curtis Total Service
- “They patiently explained the process to us and left us with good documentation.” — customer of Philadelphia Hvac Masters
Excerpts from public reviews of the companies listed on this page.
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