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

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.

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Heating Services

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

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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.

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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 system

Ductless Systems

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



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.

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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.

Indoor air quality

Indoor Air Quality

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

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 (888) 565-0546 to request HVAC services for your home or business in Bethlehem, PA.

Specials & Discounts

  • Drain Cleaning

    $50 OFF

    Any Repair

  • Home HVAC icon

    FREE Estimate

    on a New HVAC System – Virtual or In-Home Appointments!

  • Indoor air quality

    FREE Air Scrubber

    with Full HVAC System Install

Haller HVAC technician outside van with new unit inside

Additional Heating & Cooling Services in Eastern & Central PA

Haller Technicians Working In The field

What Makes Haller Different?

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

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

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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.

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

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