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Stay Cool All Summer

Now Offering Same Day Appointments Afterhours and On Weekends. Just Book It!

Homeowners throughout Pennsylvania rely on their air conditioners to keep their homes cool during the sweltering summers. When you experience issues with your system, you’ll want help from a local, trustworthy HVAC contractor. For all your cooling service needs, choose Haller Enterprises.

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Since 1981, our team has delivered exceptional AC services to Pennsylvania homeowners. We offer special financing on any work over $500 so scheduling the services you need is stress-free and convenient. Is your system on its last legs? We’ll provide you a free in-home or virtual estimate for a new HVAC system, even on evenings and weekends.

When you choose us as your partner in year-round home comfort, you’ll benefit from our 40 years of industry experience. Whether you need AC repair, maintenance, installation, or replacement, our team has the experience and knowledge to provide unparalleled service. Choose Haller for your cooling service needs and enjoy 100% satisfaction guaranteed.

Our Customers Love Us

4.8
Based on 9621 reviews
Bonnie L
7 hours ago
Johnathan came in with a great personality and a ton of knowledge. He explained what he was doing and answered my questions. I give him 5 stars.
Giora Bendor
7 hours ago
Checked my instant water heater as part of the maintenance contract.ordered gasket was mishandled causing delay in repair.
Jaimie Webster
8 hours ago
Really friendly technicians. Heat is now working and running smoothly.
Marty Trimmer
20 hours ago
Haller enterprises repaired a leak in basement piping. Vince was very pleasant and professional. He laid out our issues and options on repair. I would recommend them to anyone needing work done.
Dina Conzone
22 hours ago
Excellent service! Jonathan showed up right on time, was friendly, professional, and very knowledgeable. He answered every question I had and explained each step. Overall, it was a great experience and highly recommend him.
Loretta Wyland
23 hours ago
Brayden was wonderful and knew exactly what we needed.
Michael Walker
24 hours ago
It's nice knowing the furnace is ready for this winter. Thanks. Also give a thank you to the office personnel who sets up the appointments every year.
Stewart Abowitz
24 hours ago
Connor is very knowledgeable of the repair he needed to do.
John Rogers
1 day ago
Jared arrived about 1 hour after my call for service for our mini-split air conditioner. He diagnosed the problem quickly and did the repairs and additional maintenance without hesitation. He explained everything he did in detail and was very professional.
Willard Humer
1 day ago
Jared wad professional and courteous. I wasn't home but my daughter was. Happy with the service as always.
Dank Dro
1 day ago
The tech was highly educated, friendly, and professional
Tom Davidson
1 day ago
Outstanding service on a Nat gas furnace sensor issue. Brian was quick and efficient in identifying and resolving the issue.
Mary Wright
1 day ago
Nicholas was knowledgeable, efficient, tidy and punctual. Very easy to work with him.
The service was extraordinary. My service person was polite, informative and customer centric. This person is the type of person you want engaging with people. I also learned some good ac and furnace tips. I give Shane 5 stars….out of 5.
Pat ONeill
1 day ago
Larry knew his stuff!
Thorough work and nice people! They explained everything as they worked
John Barto
1 day ago
Pedro, the service person was excellent courteous, knowledgeable, and respectful. Thank you Pedro.
The Warden
2 days ago
Nicholas was very professional and informative answering all my questions concerning the Preventative maintenance that was done. I look forward to having these systems in place for a long time and making sure that I get maintenance done every year two times a year.
Sent me pic of technician that would be doing the service. This is great. Work was done professionally and methodically ensure all components inspected and verified.
John Trzeciak
2 days ago
Trenton exceeded my expectations. Very helpful and polite
Norman Kennedy
2 days ago
Water heater service and sump pump
Alyssa Lewis
2 days ago
Nevin was great and super helpful! Will definitely recommend Haller to family, friends and clients! Thank you!!!
Kenneth Kennedy
2 days ago
Great service. Service technician very informative. He did a fantastic service. OUTSTANDING YOUNG MAN!!!!!!!!
Gene Arnold
2 days ago
I'm a new customer, and service was fast and easy to schedule. Tech came in short time Ya we have heat !
Gus G
2 days ago
The tech was very thorough. Friendly and knowledgeable. Arrived on time.

We strive to earn the trust of every homeowner, provide the best solution and value, and offer the best in mechanical and electrical services—without compromise.

Serving Central & Eastern PA

Haller PA Location Map Updated in 2026

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