Haller HVAC Technician Repairing System

Professional Heating & Cooling Company in Mechanicsburg, PA

Since 1981, Haller Enterprises has been the go-to for top-notch HVAC services in Mechanicsburg, PA. We’re here around the clock to make sure your place stays comfortable, whether it’s your home or business.

Our team is ready to jump into action 24/7, especially when it’s urgent. We’ve got you covered, from heating and cooling to plumbing and electrical work.

We’re all about making things easy with quick service, transparent prices, and free quotes if you’re considering a system replacement. Our experts aren’t just skilled — they’re also trusted, licensed, and care about doing the job right. We’re your one-stop spot for all these services, simplifying your life.

With Haller, you’re choosing a team that’s all about giving you the best service and value, backed by a promise always to be there when you need us.

HVAC Services in Mechanicsburg, PA

Whether it’s keeping your house warm in winter or cool in summer, we’re ready to help. We offer reliable heating, cooling, and air quality services all year, ensuring your home stays comfortable.

HVAC Maintenance

Heating Solutions

As the winter chill sets in, trust Haller for efficient heating solutions. Our team ensures your space remains warm and welcoming, from furnace maintenance to new installations.

Repair Icon

Air Conditioning

Tackle the summer heat with Haller’s air conditioning expertise. We service all brands, offering same-day solutions to keep your home cool and comfortable.

Installation Icon

Heat Pumps

Embrace energy efficiency with Haller’s heat pump services. Ideal for both heating and cooling, our solutions are eco-friendly and cost-effective.

Smart Maintenance

HVAC Services

Regular maintenance, timely installations, and efficient replacements are the cornerstones of our HVAC services. Our upfront pricing and free estimates on replacement quotes ensure transparency and trust.

Ductless system

Ductless Systems

Experience the flexibility of ductless HVAC systems with Haller. These systems offer targeted comfort, perfect for room additions or spaces without ductwork.

Repair Icon

24/7 HVAC Repair

Emergencies don’t wait, and neither do we. Haller’s 24/7 emergency service, with priority for homes with elderly, children, or property damage, ensures your HVAC issues are addressed promptly, any time of day.

Home HVAC icon


In Mechanicsburg, where a commitment to environmentally friendly options is valued, we’re a leading provider of geothermal system installations, offering sustainable heating and cooling solutions.

Indoor air quality

Indoor Air Quality

Breathe easy with Haller’s indoor air quality solutions. We focus on creating healthier indoor environments for you and your loved ones.

Why Choose Haller Enterprises?

Whether you need help with heating and cooling, plumbing, electrical work, or improving your water, we’ve got you covered. Check out our great deals with coupons, easy payment plans, and maintenance packages to keep everything running smoothly.

We’re all about making things clear and simple, from how we explain your options to our upfront pricing. Plus, our team is ready to help any time, day or night, with 24/7 emergency services.

Ready to get started? Call (717) 204-8120 to schedule HVAC services in Mechanicsburg or nearby.

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 Enterprises Different

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

white check mark


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

white check mark


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.

white check mark


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

white check mark


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