Experienced Technicians Icon

“Service was excellent, explanation of issue was very helpful, and the technician was top notch. Quality of work and service was downright outstanding.”

— Benjamin, Allentown PA

Family chilling in living room

Call Haller for Unbeatable Quality with a 100% Satisfaction Guarantee!

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

In Pennsylvania, a bad storm or forced blackout can spell disaster. If you live in an area with frequent or lengthy outages, you’ve come to rely on your whole-house generator. These generators are designed to last a long time, but putting off the necessary maintenance can result in malfunctions, costly repairs, or permanent damage. A reliable, experienced technician can prevent breakdowns and extend the life of your generator with regularly scheduled maintenance. 

You can rely on Haller, your trusted local generator expert, to work around your busy schedule and quickly service your generator. Our award-winning technicians are NATE-certified and undergo continual instruction on the latest equipment to expertly assess the condition of your generator and perform any maintenance or services you need. Call today for a same day service call or schedule a Saturday appointment at no extra charge.

When Haller performs your home generator maintenance, you receive the top notch care you deserve—and you’ll be ready for the next outage. For over 40 years, Haller has been serving homeowners in Central and Eastern PA with 24/7 emergency service and a 100% satisfaction guarantee. Call us today! You’ll feel the difference with Haller.

“I can’t say enough about how pleased we are with Haller. The guys were personable and clear with instructions for our newly installed system. Special thanks to Adam, Austin, and Jared. Best tip for those looking for HVAC service or new installation? DON’T GO ANYWHERE ELSE!”

— Vickie, Lancaster

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 Locations Served Near You
A map of eastern PA

Please fill out the form to confirm your zip code.

* indicates required field

Name(Required)
Zip Code(Required)
By submitting, you agree to receive text message communication from us per our Terms and Conditions and Privacy Policy, which state that we will never share your personal information or spam you.
This field is for validation purposes and should be left unchanged.