Haller technician working on a furnace close up

Residential HVAC Services in PA

Certified, Experienced & Professional HVAC Contractors

If you’re like most people, worrying about fixing your heating and air conditioning system isn’t your idea of a good time. We get that. That’s why our NATE-certified HVAC experts are here to provide peace of mind by resolving any heating and cooling issues quickly and properly.

We offer a variety of cooling and heating solutions that fit any budget, including preventative maintenance and financing for unavoidable repair costs. We also strive to maintain a smooth and transparent customer experience.

For all your HVAC needs, you’re in good hands.

Schedule Service

Heating & AC Services in Allentown, Lancaster, York, Exton & Harrisburg

Our Service Areas

Fast HVAC Repairs

Heating & Cooling Installations

Heating & Cooling Maintenance

Emergency HVAC

We help customers analyze and choose dependable, high-efficiency heating and air conditioning repair and replacement options.

(717) 204-8120

Ductless HVAC Systems

Whether cooling a new addition or finding a solution for your whole home, ductless HVAC systems offer many options for homes with or without existing ductwork.

Ductless HVAC System Services

Boilers & Radiant Heating

Our team of experts is trained to repair, install, and maintain oil, propane, natural gas, and electric boilers, regardless of the application.

Geothermal Heat Pumps

Looking for a more environmentally friendly heating and cooling option? We’re a leading provider of geothermal system installations.

Geothermal Heat Pump Services

Indoor Air Quality Improvements

The air in your home should be of the highest quality. We offer a variety of indoor air quality products, including whole-home dehumidifiers, UV lights, air purification systems, and more.

Indoor Air Quality Services

HVAC Specials & Discounts

Take advantage of our current offers & coupons!

All Offers

Get Pre-Approved Financing

Financing Options

We Offer Complete Heating & Cooling Services in Eastern & Central PA

Oil-to-gas conversion
Air conditioners & heat pumps
Smart & programmable thermostats
Duct cleaning
Radiant systems
Gas, propane, oil, and forced-air furnaces & boilers
Oil furnace maintenance & installation
Whole-house humidifiers

43

Years in Business

254

Trucks on the Road

One Call Club

Maintenance plans starting at

$19_/mo

SEE All Plans

What Makes Haller Enterprises Different?

We have over 40 years of experience providing the best heating and air conditioning solutions in Pennsylvania.

Trustworthy

Our background-checked, NATE-certified technicians arrive in marked vans and recognizable uniforms with shoe covers and dropcloths to protect your home.

Reliable

Our technician will give you a 30-minute heads-up when they’re on their way for your scheduled time. You can count on them to answer any questions or concerns you may have.

Supportive

We’re here when it’s convenient for you, offering regular hours on Saturdays and emergency service 24/7, all year.

Efficient

With our online scheduling and our live chat, you can get the help you need, when you need it.