24/7 Emergency HVAC Repairs

When your system fails in the middle of a hot summer night or during a freezing winter weekend, waiting for regular business hours isn’t an option.

That’s why Haller offers 24/7 emergency HVAC repair services, so you’re never left dealing with uncomfortable or unsafe conditions for long. We arrive with the tools and experience needed to quickly diagnose the issue and make the necessary repairs on the spot whenever possible. You will know what is wrong and what it costs before any work begins.

(717) 204-8120

4.7
Based on 9007 reviews
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Carrier Residential Factory Authorized Dealer
North American Technician Excellence - NATE - Certifying the Finest in HVACR

Pennsylvania’s Local HVAC Professionals

Choosing the right team for HVAC repairs makes all the difference when your comfort and safety are on the line.

Since 1981, Haller has helped homeowners throughout Central and Eastern Pennsylvania solve heating and cooling problems with proven expertise.

Safety is always our top priority, and every repair is performed with careful attention to protecting your home and your system. We stand behind our work with a 100% satisfaction guarantee.

Emergency Service

HVAC Systems Serviced

Trucks on the Road

Our Tested, Trusted HVAC Repair Process

Scheduling HVAC repair service with Haller is simple and designed to get your system back up and running as quickly as possible.

From your first call to the final repair, we make the process straightforward, transparent, and focused on your comfort.

Start by contacting Haller online or by phone to request service at a time that works for you. Our team will gather a few details about your HVAC issue to ensure we’re fully prepared for your visit.

A skilled technician will arrive on time and perform a thorough inspection of your HVAC system. We take the time to identify the root cause of the problem, not just the symptoms.

Once we’ve diagnosed the issue, we’ll explain what’s going on in clear, easy-to-understand terms. You’ll receive straightforward recommendations and upfront information so you can make the best decision for your home.

After your approval, we’ll get to work making the necessary repairs using quality parts and proven techniques. Before we leave, we test your system to make sure everything is running safely and efficiently.

(717) 204-8120


What Our Customers Are Saying

Learn More About Our 100% Satisfaction Guarantee

4.7
Based on 2610 reviews
Great job, servicing my AC units
Darius was here within 2 hours of my call for a jammed garbage disposal and fixed it in minutes! Only charged the dispatch fee! He was polite, efficient and even taught me what to do should there be a problem in the future.
Nate was very understanding & patient with us, explaining everything we needed to know about our current system. And going forward about our new HVAC system. He was very professional & respectful. Great service representative!!
Very friendly and prompt techniciansโ€ฆ.hassle free experience! Highly recommended.
Thor was amazing. Knew what he was doing, solved our issues, and provided great advice.
HALLER is always the best. Prompt, courteous and great communicators. Even better, they are knowledgeable and skilled. I have used them for 20+ years and their great service has continued.
Jason was at my house for two separate projects and did very thorough work both times. Will definitely have him out for future projects!
Worked on my heat pump for the central air and stood until the airflow was right
Great customer service and honest recommendations!! Very helpful!
I want to Thank Thor again for his excellent work on taking care of several electrical issues that needed to be taken care. He had to spend over 13 hours and in very hot conditions, to correct the sloppy and careless work from whoever the previous owner had do lighting work when they remodeled. They had left live wires and junction boxes open. I initially was only getting a ceiling fan with a light installed from scratch until he showed me pictures of the wiring for all lights on the 1st floor in my crawl space attic.
James , did a great job . I highly recommend Haller.
Mark came and adjusted the setting on our water softener that were effected by a power outage in our area. He was prompt, pleasant and explained how things were done.
Very friendly & helpful
New AC unit
Our tech came quickly and discovered the issue with out A/C unit right away. Replaced the part and tested the system! He was very knowledgeable and explained everything! Will definitely be using this company for future repairs and services.
Very personable. Shared some good information with me
replaced heating and cooling system. Excellent job and great service.
I had Daniel Valdez as my dispatch employee and Jonathan Logan as my technician Jonathan was the best technician I ever had from Hallers I had 3 technician within a one month period all telling me a different out come for my A/C that wasnโ€™t working in the heat wave we were experiencing Jonathan worked with me for the best outcome to REPAIR my A/C not replacing the system we definitely had some problems getting my part due to the warehouse that collapsed in Harrisburg to finally receiving the part Jonathan came from his home to replace the part in the heat wave Jonathan is a very good technician and a great and caring person Thank you for all your help and knowledge
Phillip did an excellent job fixing our HVAC condensation pipes. He was very friendly, professional, and helpful throughout the entire visit. He explained the problem clearly and made sure everything was repaired correctly. The job was completed efficiently, and everything is working perfectly now. We really appreciate Phillip's excellent service and would highly recommend him to anyone needing HVAC work!
Service tech, Shawn Dunn arrived as scheduled, diagnosed the problem quickly and replaced the part on the spot. Thank you Shawn for your professionalism and your kind, personable service.
Great job
The serviceman was very friendly, respectful of person and place, and very diligent at work.
Complimenting Haller's tech Jonathan Avila who has provided installation and maintenance services for my buildings many times. His concern for customer needs is evident right from the start. He wants to know how you think your system is doing. His work is very thorough backed up by photos of each thing he found that needed attention. I had an appointment mid visit
but Jonathan clearly explained everything to my wife backed up by his photo record.
I was able to review and understand his work later w/ the photos attached to my digital receipt.
My estimates were just as thorough. I am glad Jonathan is our service tech.
Darius was thorough and tried to think of how to isolate my problem, which she did after testing out a few options. I was very happy with my service.
Vincent replace our water heater with a tankless one. He is a extremely polite gentleman and explained all things very well. He work long and hard and did a couple extra jobs while here. I would not hesitate to ask for him for anything else needed. Thank You Vincent

Our Expert Technicians Can Repair Any HVAC System

Several HVAC systems heat and cool homes across Pennsylvania. Haller repairs these systems and others:

Cool temperature icon

Central Air Conditioning

Central air conditioners cool air from one central location in your home and distribute it through ductwork. When your AC isn’t working, you can trust Haller to fix the issue quickly.

Ductless system

Ductless Systems

These distribute cool air from a wall-mounted system and pump warm air through the outside unit.

thermostat icon

Smart Thermostats

These devices allow you to set and control the temperature in your home remotely or on a schedule. If your thermostat isn’t connected or malfunctioning, call Haller for reliable thermostat repair.

Heat Pump

Heat Pumps

Heat pumps provide heat in the winter and cool air in the summer using a reversing valve.

If your heat pump isn’t cooling or heating properly, call Haller.

Furnace

Furnaces

Furnaces use natural gas to warm air from a central location and circulate it through ductwork. A broken furnace can be uncomfortable during winter in Pennsylvania. Call Haller for fast furnace repairs.

Boiler

Boilers

Boilers supply the transfer of hot air in your home by heating a liquid (usually water) and distributing the heat through baseboards or radiators.

Humidifier

Humidifiers

These add moisture to the air, either through your central HVAC or a stand-alone system.

geothermal heating icon

Geothermal Heating

Geothermal systems transfer heat into your home from the earthโ€™s surface.

(717) 204-8120

Common HVAC Repairs Our Team Handles

HVAC systems are made up of many moving parts, and over time, wear and tear can lead to a variety of issues.

At Haller, our team is experienced in diagnosing and repairing all types of heating and cooling problems, helping restore comfort to your home quickly and efficiently.

Low refrigerant levels can cause your air conditioner to struggle to cool your home effectively. We locate the source of the leak, repair it, and recharge the system to restore proper performance.

A malfunctioning thermostat can lead to inconsistent temperatures or a system that won’t turn on at all. We repair or replace thermostats to ensure accurate temperature control and reliable operation.

Electrical issues like faulty capacitors, relays, or wiring can prevent your system from running safely. Our technicians identify and replace damaged components to get your system back online.

Clogged condensate drain lines can cause water leaks and even system shutdowns. We clear blockages and ensure proper drainage to prevent further damage.

If your system isn’t moving air properly, a failing blower motor could be the cause. We repair or replace the motor to restore consistent airflow throughout your home.

Heating systems that won’t start often have ignition or pilot light problems. We troubleshoot and repair these components to safely restore heat when you need it most.

Why Your Neighbors Trust Haller for HVAC Repairs

When your HVAC system needs repair, you want a company that delivers reliable results and a smooth experience from start to finish.

Pennsylvania homeowners continue to choose Haller because we combine proven expertise with responsive service and long-term support.

HVAC problems don’t wait for business hours, and neither do we. Our team is available around the clock to respond quickly and restore your comfort when you need it most. 

Our Home Comfort Club makes it easier to stay ahead of unexpected breakdowns with routine maintenance and exclusive benefits. Members enjoy added peace of mind, priority service, and long-term savings on repairs.

Our technicians are NATE-certified, which means they’ve met some of the highest standards in the HVAC industry. You can trust that your system is being repaired by highly trained professionals who know how to get the job done right.

Haller is proud to be a BBB Accredited Business, reflecting our commitment to honesty, transparency, and customer satisfaction. We work hard to earn and maintain the trust of every homeowner we serve.

As a Carrier Factory Authorized Dealer, we meet strict standards for technical expertise and customer service. This distinction means you can expect high-quality repairs backed by a trusted name in HVAC.

HVAC technician showing homeowner inside of furnace

(833) 222-2953

(609) 799-3434

Should You Repair or Replace Your HVAC System?

Some HVAC issues can be fixed quickly, while others may point to bigger problems that make replacement the smarter long-term investment.

At Haller, our technicians evaluate several key factors to help you make the right decision for your home and budget.

The age of your HVAC system plays a major role in whether repair or replacement makes sense. If your system is more than 10โ€“15 years old, frequent repairs may be a sign it’s nearing the end of its lifespan.

Consider how much the repair will cost compared to the value of your system. If the repair is expensive or keeps recurring, investing in a new system may save you more money over time.

Older systems tend to be less efficient, which can lead to higher energy bills. Replacing your system with a newer, high-efficiency model can improve comfort while reducing monthly operating costs.

If your HVAC system needs repairs more often than not, it may no longer be reliable. Ongoing issues can add up quickly, making replacement a more practical and stress-free solution.


Stay Ahead of HVAC Issues with Regular Maintenance

Keeping up with routine HVAC maintenance can make a big difference in preventing unexpected issues.

Regular service allows technicians to identify minor problems before they turn into major repairs, while also helping your system run more efficiently and last longer.

With Haller’s Home Comfort Club, staying on top of maintenance is simple. Our membership program includes scheduled tune-ups, priority service, and exclusive benefits that help you avoid costly repairs and keep your home comfortable year-round.

Homeowner greeting Haller technician at the door for maintenance



Male Haller tech with tool bag entering residential home smiling.

Schedule HVAC Repairs with Haller

When your HVAC system breaks down, getting it fixed quickly and correctly becomes your top priority.

At Haller, we focus on delivering prompt service, accurate diagnostics, and dependable repairs that restore comfort without added stress. No matter the issue, you can count on us to provide honest recommendations and quality workmanship every step of the way.

Call or contact us online to book your HVAC repair today.


Frequently Asked Questions About HVAC Repairs

How do I know if my HVAC system needs repair?

Common signs include unusual noises, weak airflow, inconsistent temperatures, or higher energy bills. If your system isn’t performing the way it should, it’s best to have it inspected by a professional.

How quickly can Haller respond to HVAC repair requests?

We offer prompt scheduling for standard repairs and 24/7 emergency service for urgent situations. Our goal is to respond as quickly as possible and restore your comfort without delay.

What happens during an HVAC repair appointment?

Our technician will inspect your system, diagnose the issue, and explain the recommended solution. Once you approve the work, we’ll complete the repair and test the system to ensure it’s running properly.

Is it better to repair or replace my HVAC system?

It depends on factors like the system’s age, the cost of repairs, and how often it’s breaking down. Our team will provide honest recommendations to help you choose the most cost-effective and reliable option.

How can I prevent future HVAC problems?

Routine maintenance is key to avoiding unexpected breakdowns and improving system performance. Joining Haller’s Home Comfort Club makes it easy to stay on schedule with professional tune-ups and ongoing care.

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