Haller Enterprise technician entering home

Expert Heating & Cooling Services in Bethlehem, PA

Bethlehem’s warm, humid summers and cold, snowy winters require a reliable HVAC system for year-round comfort. With over 40 years in business, Haller Enterprises is your trusted partner in Bethlehem to keep your home or business comfortable through every season.

Our certified HVAC contractors can handle any challenge, from routine maintenance to complex installations.

Distinguished by our commitment to service excellence, we offer 24/7 emergency support, same-day service, and upfront pricing with free estimates on HVAC replacements. At Haller, we prioritize your comfort, safety, and satisfaction.

Heating & Cooling Services

We offer Bethlehem home and business owners a comprehensive range of HVAC services.

HVAC Maintenance

An ounce of prevention is worth a pound of cure when it comes to your heating and cooling systems. Routine maintenance is vital to prolonging the life span of your systems.

Heating Services

We keep your property warm all winter with professional installation, repair, and maintenance of furnaces, boilers, or other heating systems.

AC Services

Avoid the heat and humidity of summer in Bethlehem with our AC services. Whether you need AC repair, a new AC system, or routine maintenance, we’re here to help.

Air Conditioning

Emergency HVAC Repair

Did your HVAC system break down in the heat of summer or the dead of winter? Our technicians can arrive quickly for same-day HVAC repair to restore comfort to your home or business.

Ductless Systems

No ductwork in your Bethlehem home? No problem! We design ductless AC systems to create efficient and reliable zoned comfort.

Ductless System Services

Boilers

Our team of expert technicians is well-trained to repair, install, and maintain oil, propane, natural gas, and electric boilers, addressing the diverse heating needs of homes in Bethlehem, PA.

HVAC Installation & Replacement

Our expert team designs heating and cooling solutions to match your property’s layout and comfort needs. We can fit any budget with our upfront pricing, free estimates, coupons, and financing options.

HVAC Installation

Indoor Air Quality

We help you achieve the best indoor air environment with whole-home dehumidifiers, UV lights, air purification systems, and more.

Indoor Air Quality Services

Why Choose Haller Enterprises?

At Haller, we offer a wide range of home service solutions backed by over 40 years of service and a legacy of satisfied customers.

Reliable quality: For over 40 years, we’ve built a reputation for quality and reliability in Bethlehem and throughout eastern and central Pennsylvania.
Budget-friendly services: With coupons and financing options designed to fit your budget, upfront pricing, and free estimates on HVAC replacement, we strive to help you avoid surprises and get the solutions you need.
Secure methods: Our technicians are licensed, certified, insured, and background-checked for your peace of mind. Our online scheduling tool lets you know who your technician is and when they’re on their way.

Call (717) 204-8120 to request HVAC services for your home or business in Bethlehem, PA.

Specials & Discounts

BLACK FRIDAY: $100 OFF

an Air Scrubber Installation

Call (717) 204-8120 to Redeem

BLACK FRIDAY: $100 OFF – an Air Scrubber Installation

*One per customer. Not to be combined with any other offer or discount. Residential only. Expires 12/11/2024.
$25 OFF

a CO Monitor Installation

Call (717) 204-8120 to Redeem

$25 OFF – a CO Monitor Installation

*One per customer. Not to be combined with any other offer or discount. Residential only. Expires 12/31/2024.
$50 OFF

Any Repair

Call (717) 204-8120 to Redeem

$50 OFF – Any Repair

*Call (717) 204-8120 to redeem. One per customer. Residential only. Not to be combined with any other offer.
FREE Estimate

on a New HVAC System – even Weekends!

Call (717) 204-8120 to Schedule

FREE Estimate – on a New HVAC System – even Weekends!

*Call (717) 204-8120 to schedule an appointment.
FREE Air Scrubber

with Full HVAC System Install

Call (717) 204-8120 to Redeem

FREE Air Scrubber – with Full HVAC System Install

*Call (717) 204-8120 to redeem. Only applicable for full heating and cooling system installations. On qualifying equipment only. Residential only.

Haller HVAC technician outside van with new unit inside

Additional Heating & Cooling Services in Eastern & Central PA

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

What Makes Haller 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 tool and our live chat, you can get the help you need, when you need it.

Ready To Talk to an HVAC Specialist?

Book An Appointment