HVAC Services You Can Count On All Year

When you choose Haller for HVAC services in State College, you get repairs, installations, maintenance, and 24/7 emergency service for every type of heating and cooling equipment.

Heating and cooling systems work overtime during State College’s harsh winters and muggy summers. You deserve a team that arrives promptly, communicates clearly about the problem, and restores your home’s comfort.

Since 1981, we’ve been caring for homes throughout State College. Generations of local families have relied on us for their furnaces, air conditioners, heat pumps, and boilers. With our trucks covering Centre County daily, we can reach you fast. If your heater fails at midnight or your AC breaks down on a Sunday afternoon, we pick up the phone and send out a technician.

Emergency Service

HVAC Systems Serviced

Drains Cleared

Years in Business

Trucks on the Road


4.7
Based on 8602 reviews
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Carrier Residential Factory Authorized Dealer
North American Technician Excellence - NATE - Certifying the Finest in HVACR

State College’s Trusted HVAC Service Provider Since 1981

We answer the phone, show up on time, and explain what’s wrong before we start any work.

Our team is easy to schedule with and easy to reach, so you’re never left waiting or wondering. Every HVAC service in State College is backed by our 100% satisfaction guarantee.

(717) 204-8120


Why State College Homeowners Choose Haller

Your safety is our top priority on every job, from small repairs to full system installations. We follow strict standards and best practices to make sure your home’s systems operate safely and efficiently.

We make scheduling simple and convenient. Call us or book online. Our responsive team keeps you informed every step of the way so you’re never left guessing.

Home emergencies don’t wait, and neither do we. Our 24/7 emergency services make sure State College homeowners get fast, dependable help.

We’ve proudly served Central and Eastern Pennsylvania since 1981, bringing decades of experience to every job. From College Heights to Colonial Court and Tussey View to all the other local communities, we help homeowners stay comfortable through every season.

We offer a range of financing options that make it easier to move forward with necessary repairs or system upgrades. With flexible payment solutions, you can improve your home’s comfort without unnecessary financial strain.

Our NATE-certified technicians bring advanced training and proven expertise to every service call. As a BBB Accredited Business and Carrier Factory Authorized Dealer, we meet high standards that give you added confidence in our work.

Our Home Comfort Club provides preventative maintenance, priority scheduling, and exclusive member savings. It’s a proactive way to protect your home’s systems and enjoy greater peace of mind year-round.

Every HVAC job comes with our 100% satisfaction guarantee. Something isn’t right? We come back and fix it.


Our Easy, 3-Step HVAC Scheduling Process

Call today to schedule reliable HVAC services in State College with Haller’s experienced team.

Dealing with an urgent issue or planning a home upgrade in State College? We make it easy to get the professional help you need without added stress.

Call us or schedule your appointment online at a time that works best for you. Our friendly team will gather a few details about your home and service needs so we’re fully prepared.

Our licensed technician will arrive on time, assess the situation, and explain your options clearly. We provide honest recommendations and upfront information so you can make a confident decision.

You approve the work, and we complete the job with a focus on safety, efficiency, and long-term performance. You can relax knowing your service is backed by our 100% satisfaction guarantee.

(717) 204-8120


What Our Customers Are Saying

Learn More About Our 100% Satisfaction Guarantee

4.7
Based on 2544 reviews
2026 Review. Adding to my past review just to reiterate that we are yet again, completely satisfied with Austin, our service tech and Haller over all. The workmanship and customer service from every level is right on point with this company. We highly recommend them, you won't regret it.

Austin, the service tech was very respectful & professional during the entire service call. We were very pleased with Haller as we always are! From the initial service call through the entire process, we give them the highest rating! We highly recommend Haller!
Mike was fast and efficient. I appreciate him for coming out and fixing the issue with my kitchen sink pipes. Thank you!!!
Kurt is a great technician who we know and trust after many years of maintaining our AC equipment. He always does a great job!
Larry did a great job fixing my grandmas a/c unit. We were previously told we would have to buy a whole new unit but he came out took it apart and realized just a few parts needed replaced and saved us a lot of money !! Thanks Larry !
Chris is wonderful! He is very knowledgeable and professional with a great personality!
We are looking forward to seeing his beautiful smile on our regularly schedul visits in the upcoming months ahead.
Very knowledgeable and professional
Daniel was awesome. The office called me way ahead of time when he was going to arrive after the original window of time. He was friendly, informative, and took care of all of our needs. Would definitely recommend to anyone in need of a quality plumber.
Technicians are professional and provide excellent service.
Great service fast and courteous
Trenton is very professional and his expertise in this field is excellent!!
Dude was friendly and professionalโ€ฆ top notch!
Excellent quality HVAC and electrical service! Mark did a great job of removing our old toilet and installing a new one, as well as advising us through the entire process.
Very polite, knowledgeable technicians. Fast work, very happy with results.
I wasnโ€™t there but my daughter said Andrew and Noah took great pains to locate and resolve what was an ongoing issue. Much appreciated and I hope they know that!
Technician arrived early, was extremely pleasant and courteous. Work was done quickly and to our complete satisfaction. We have used Haller for 20 years and enthusiastically recommend them!
THOROUGH, INFORMATIVE, DEVELOPED A STRATEGY FOR PROCEEDING WITH REPAIR OR REPLACEMENT.
Jesse was professional and respectful in his assessment of my issue with my thermostat. He was thorough in his analysis and his suggestions were warranted and acceptable.
Inspected and will replace heating system.
Thorough, helpful, and efficient.
A/C stopped working on a hot day and the prompt service sold me, had a tech at my house a few hours after calling, a simple fix and money well spent
Very prompt, efficient, and the repaired device is working perfectly.
Joshua came out for a electrical inspection on our initial contract. He was all business and knocked it out in around 30 minutes. Nice guy…very professional
Haller diagnosed the issue with my whole-house water filtration system quickly. It was repaired quickly as well. Friendly service person who explained the issues and solution to me. I already had their service plan for one hvac system, so I converted to a whole home plan to cover the water and upstairs hvac as well.
Systems check up – did a great job very efficiently once arrived. Was a little Kate due to heat wave related emergencies!
Jesse is extremely knowledgeable. He diagnosed the problem with my AC that others had missed.

Homeowner greeting Haller technician at the door for maintenance

Stay Ahead of HVAC Issues with the Home Comfort Club

Maintaining your HVAC services in State College becomes simple, affordable, and stress-free with the Haller Home Comfort Club. Proactive service and exclusive member benefits help you stay ahead of problems rather than reacting to unexpected breakdowns, protecting your comfort throughout State College’s changing seasons.

Priority scheduling comes with your Home Comfort Club membership, particularly during State College’s peak heating and cooling demands. During those extreme temperature swings that hit Centre County, you skip the waiting list for service calls. Members get moved ahead in our schedule whenever possible. Your home becomes our priority in more ways than one.

Routine maintenance is the key to avoiding costly breakdowns and extending the life of your equipment. With scheduled tune-ups included in your membership, we inspect, clean, and optimize your systems for safe and efficient operation. This proactive approach helps catch small issues before they turn into major repairs. You’ll enjoy more reliable performance and improved energy efficiency throughout the year.

Home Comfort Club members receive special discounts on repairs and services, making it easier to manage household maintenance costs. Over time, those savings can add up significantly, especially if unexpected issues arise. You may also gain access to seasonal promotions and member-only offers. It’s a smart investment that delivers value well beyond routine service.

With the Home Comfort Club, you build an ongoing partnership with a team that understands your home’s systems. We keep detailed service records and provide personalized recommendations based on your equipment’s condition and performance. Backed by our commitment to safety and 100% satisfaction guarantee, you can feel confident that your comfort is always protected.

Schedule home system maintenance by calling (717) 204-8120.


Your Choice for State College HVAC Services

Keeping your home comfortable in every season requires heating and cooling solutions you can rely on.

Haller provides expert HVAC services in State College, delivering dependable repairs, energy-efficient installations, and preventative maintenance designed to keep your system running safely and efficiently year-round.

(717) 204-8120

Cooling Icon

Air Conditioning

Pennsylvania’s humidity makes AC failures miserable fast. We keep cooling systems running through the worst of summer.

We service central air conditioners, ductless systems, and heat pumps in cooling mode. Common issues include refrigerant leaks, compressor failures, frozen coils, and electrical problems.

  • AC Repair: Fast AC repair in State College restores comfort quickly when your system isn’t working right.
  • AC Installation: We install high-performance AC systems built for reliable, energy-efficient cooling.
  • AC Maintenance: Professional AC maintenance helps prevent breakdowns and improves efficiency.
  • AC Replacement: Expert AC replacement in State College upgrades your home with modern, energy-efficient cooling.
Furnace

Furnaces

Dependable furnace services keep your State College home warm and safe during winter.

We service and install high-performance furnace systems built to handle State College’s coldest temperatures. Need maintenance, repair, or a full replacement? We make sure your system operates safely and provides consistent heat.

  • Furnace Repair: Prompt furnace repair in State College restores reliable warmth when your system won’t ignite, heats unevenly, or makes unusual noises.
  • Furnace Installation: We guide you through selecting the right furnace for your home. Then we manage the installation with precision and care.
  • Furnace Maintenance: Routine furnace maintenance keeps your system running efficiently. It also helps you avoid unexpected breakdowns during the coldest months.
  • Furnace Replacement: Professional furnace replacement in State College improves comfort and lowers energy bills. You’ll get more dependable performance all winter.
Heat Pump

Heat Pumps

Heat pumps handle both heating and cooling. This makes them a practical choice for State College’s variable climate.

Modern cold-climate heat pumps stay efficient even when temperatures drop into the 20s. We install air-source and ground-source systems.

  • Heat Pump Repair: Heat pump repair in State College covers refrigerant issues, defrost cycle problems, reversing valve failures, and compressor diagnostics.
  • Heat Pump Installation: We design and install heat pump systems tailored to your home’s layout and efficiency goals.
  • Heat Pump Maintenance: Routine heat pump maintenance keeps your system running efficiently. It also extends its lifespan with thorough inspections and performance checks.
  • Heat Pump Replacement: Is your heat pump aging or underperforming? A heat pump replacement in State College with a modern system improves comfort and lowers energy costs.
Ductless system

Ductless Mini-Splits & VRFS

Ductless mini splits provide flexible, zoned comfort for homes in State College.

Perfect for additions, older homes near the Historic College Heights, or rooms without ductwork. These systems let you control temperatures independently. We install and service ductless systems to boost comfort and efficiency.

  • Ductless Mini-Split Installation: Wall-mounted indoor units connect to an outdoor compressor via refrigerant lines. Minimal construction is required compared to adding ductwork.
  • Ductless Mini-Split Repair: Is your ductless system not working properly? We diagnose the issue and provide reliable ductless repair in State College to restore efficient heating and cooling.
  • Ductless Mini-Split Maintenance: Regular ductless maintenance keeps your system running at peak efficiency. We handle filter cleaning, coil inspection, and refrigerant checks.
  • Ductless Mini-Split Replacement: Is your ductless system outdated or struggling to keep up? We provide expert ductless replacement in State College with modern, energy-efficient units.
Boiler

Boilers and Radiant Heating

Professional boiler services provide steady, consistent heat for your State College home.

Do you rely on a traditional or high-efficiency boiler? We handle repairs, maintenance, and installations. Our technicians make sure your system runs safely and efficiently through winter.

  • Radiant Heating: In-floor and baseboard radiant systems deliver heat without blowing air. No drafts. No dust circulation. We install and repair radiant heating systems in State College homes.
geothermal heating icon

Geothermal

Geothermal heating systems offer sustainable, energy-efficient comfort.

These systems use the earth’s natural energy to provide consistent heating and cooling with lower operating costs. We design and service geothermal solutions near State College for homeowners looking for long-term savings and environmental benefits.

Furnace

Oil-to-Gas Conversions

Converting from oil heat eliminates tank maintenance. It often lowers fuel costs too.

We handle the full conversion process. This includes removing old equipment, coordinating gas line work, and installing your new furnace or boiler. Many State College homeowners have made the switch as natural gas availability has expanded.

Indoor air quality

Indoor Air Quality Solutions

Dry winter air and humid summers both affect comfort and health in State College homes.

We install whole-house humidifiers, dehumidifiers, air purifiers, and filtration systems that work with your existing HVAC equipment.

Smart Thermostat Icon

Thermostats & Smart Home Devices

The right thermostat reduces energy waste and makes your system easier to control.

We install Wi-Fi thermostats, programmable thermostats, and multi-zone controls. Proper placement and programming make a measurable difference in efficiency.

Haller Technician Helping customer with Memberships

Other Home Services from Haller

Your heating and cooling system is just one part of what keeps your home running. Haller also provides plumbing, electrical, and indoor air quality services throughout State College. You can work with one team you trust instead of juggling multiple contractors.


Schedule Your State College HVAC Services with Haller Today

Need dependable heating and cooling solutions backed by decades of experience? Haller Enterprises is ready to deliver. From repairs and replacements to maintenance and indoor air quality upgrades, we provide the complete services State College homeowners trust.

Call or contact us online to schedule State College HVAC services today!

Male Haller tech with tool bag entering residential home smiling.


Frequently Asked Questions

What HVAC services does Haller provide?

We handle all types of heating and cooling work in State College. From fixing broken furnaces to installing new AC systems and everything in between. Our technicians service furnaces, heat pumps, boilers, ductless mini splits, and other equipment that keeps homes comfortable through Pennsylvania’s cold winters and humid summers. We also provide regular maintenance tune-ups and full system replacements when your equipment reaches the end of its useful life.

How often should I schedule HVAC maintenance?

Your heating system needs professional attention once yearly, typically before winter starts. Your cooling equipment needs the same treatment before summer arrives. Regular maintenance catches small problems before they turn into expensive repairs. It keeps your equipment running efficiently through State College’s temperature extremes. These tune-ups also help your furnace, heat pump, or AC last longer by keeping all the moving parts clean and properly adjusted.

Do you offer 24/7 emergency HVAC services?

Yes, we provide emergency HVAC for urgent heating and cooling issues. If your system stops working during extreme Pennsylvania temperatures, we respond quickly to restore comfort and safety.

How do I know if I should repair or replace my HVAC system?

Age is the biggest factor. Systems older than 10 to 15 years start breaking down more often and lose efficiency, especially with State College’s demanding winters and summers. When repair bills keep adding up or your home can’t stay comfortable, replacement usually makes more financial sense than throwing good money after bad. A technician can look at your specific equipment and give you straight answers about whether fixing it again is worth the cost or if it’s time to move on.

Can a new HVAC system help lower my energy bills?

A modern, high-efficiency HVAC system can cut your energy bills substantially compared to older equipment. Today’s systems use technology that extracts more heating and cooling from each dollar of energy. This matters during State College’s harsh winters and humid summers. When your new system is properly sized for your home and paired with a programmable thermostat, you’ll see the biggest impact on those monthly utility costs.

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