Emergency Furnace Replacement

You can’t always plan for furnace replacement, and sometimes your system fails without warning.

Haller understands that being without heat in the middle of a Pennsylvania winter is not an inconvenience, it is a situation that needs to be addressed fast.

When a furnace quits on a January night with temperatures dropping into the 20s or during a stretch of sub-freezing weather in February, waiting until morning is not an option. Our HVAC technicians are standing by to respond quickly and restore heat to your home.

Call our team today if you need emergency furnace replacement.

Emergency Service

HVAC Systems Serviced

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How to Schedule Your Furnace Replacement

Scheduling your furnace replacement with Haller is straightforward and designed around your convenience.

We keep the process clear and direct so you can move from your current situation to a working system without unnecessary delays.

Call us or submit a request through our website to get started. Our staff will gather details about your current system, including its age, fuel type, and how it has been performing. We will get your consultation on the calendar at a time that works for you, whether you are in Allentown, Lancaster, York, or anywhere across our service area.

An experienced comfort specialist visits your home to assess the existing furnace, evaluate the ductwork, and measure what your home actually needs. This means reviewing the current system’s capacity, fuel source, venting, and duct condition alongside your home’s insulation and square footage, because a furnace sized wrong for the home it is heating in a Pennsylvania winter will underperform from day one.

We walk you through replacement options, including efficiency ratings, single-stage and two-stage or modulating configurations, and fuel type considerations. You will receive upfront pricing and clear explanations. There is no pressure to decide on the spot.

Our NATE-certified technicians remove the old system and install your new furnace with a focus on safety and precision. Before we leave, we test the system under operating conditions, verify proper combustion and venting, check airflow throughout the ductwork, and confirm the thermostat and safety controls are functioning correctly. A furnace replacement is only finished when the system has been verified under load.

(717) 204-8120

(717) 204-8120

Benefits of Furnace Replacement

If your current system is outdated or unreliable, a new furnace makes a noticeable difference, especially through a Central and Eastern Pennsylvania winter.

Modern furnaces bear little resemblance to the equipment installed 15 to 20 years ago. Higher efficiency ratings, two-stage and modulating burners, variable-speed blowers, and improved safety controls make today’s systems genuinely better at the work this region’s winters demand of them.

High-efficiency furnaces use less fuel to produce the same warmth. Modern units reach efficiency ratings of 95 percent or higher, compared to the 60 to 80 percent common in older systems. In a climate where your furnace is the primary heat source from early December through early March, that efficiency difference shows up in your monthly heating costs across the entire winter.

Older furnaces tend to break down at the worst possible time, and a system approaching the end of its lifespan rarely delivers steady performance in the meantime. A new furnace sized and installed correctly keeps your home consistently warm through the coldest stretches of a Pennsylvania winter and eliminates the cycle of reactive repairs.

Modern furnaces with variable-speed blowers and two-stage or modulating burners distribute heat more evenly throughout your home. Cold spots and rooms that never warm up become a thing of the past, which matters in older homes across Allentown, Bethlehem, and Lancaster where construction quirks create real differences in how rooms hold temperature.

Today’s furnaces include advanced safety controls, sealed combustion, and modern heat exchangers that older systems simply do not have. Replacing an aging unit reduces the risks associated with carbon monoxide leaks, cracked heat exchangers, and failing safety switches, which is particularly important in older homes across York, Harrisburg, and Easton where the original furnace installation may have predated current safety standards.


Why Homeowners Trust Haller for Furnace Replacement

Replacing your furnace is a significant decision, and you want the right team handling it.

Haller has earned the trust of homeowners across Central and Eastern Pennsylvania through decades of dependable work and a process that keeps you informed at every step.

Our technicians are NATE-certified, and Haller is both a BBB Accredited Business and a Carrier Factory Authorized Dealer. That combination means your replacement is handled by technicians trained to manufacturer standards, working with equipment they know inside and out.

Haller has been working in Central and Eastern Pennsylvania since 1981. Four decades of Lehigh Valley winters, Lancaster County cold snaps, and York and Harrisburg heating seasons have given our team a deep familiarity with what it takes to size, install, and commission a furnace that performs through all of it.

A new furnace is a major investment. Haller offers flexible financing for qualified homeowners so you can move forward with the right system now and manage the cost over time rather than waiting for a full breakdown to force the decision.

Furnace failures do not follow a schedule. Our team is available around the clock, so if your system goes down on a January night in Bethlehem or during a cold snap in Lancaster, you are not left waiting until morning for someone to call you back.

Every replacement follows strict safety procedures for combustion, venting, gas or fuel connections, and electrical setup. We do not consider the job finished until the system has been fully verified under operating conditions.

We keep you informed at every step. You will know what we recommend and why, what the work involves, and what it costs before we begin. No surprises on installation day and no pressure before you decide.


What Our Customers Are Saying

Learn More About Our 100% Satisfaction Guarantee

4.7
Based on 2625 reviews
Eli called and was here on time for mi yearly plumbing inspection.He was a pleasure to work with.He showed and explained wahar was needed to correct.He had the parts and was able to do the job on the spot.I will ask for Eli again.He represented Haller very well.
Shawn was excellent as diagnosing a problem that was not previously identified by other technicians. He explained it very clearly and was doing so in our best interest. He was not pushy or come off as “a salesman”, just letting us know what the issue was. I will definitely be requesting him to do all future maintenance and repairs!
Excellent service and explained options very well!
Professional across the board!
The technician was very helpful and provided information to assist me if I had problems in the future with my smoke detectors.
We were very pleased with the great job that the haller guys did in repairing the
water leaking problem that we had with our split.
Jesse is extremely knowledgeable. He diagnosed the problem with my AC that others had missed.
Excellent knowledge and service. He chose the correct fix out of 2 possibilities causing the problem.
Haller has a solid offering overall and I like they have many different disciplines. Jesse Brubaker did a great job doing my semi-annual review of my key machines including two air conditioners and a water heater. Excellent work all around!
The technician, Eric , called in the morning of my ac and furnace installation to let me know he was on his way. Upon arrival he and Connor reviewed the process for the day and layed down plastic to prevent damage to my floors. Another gentleman joined them at some point to complete the job.

overall very satisfied with courteousness and professionalism.
Haller came recommended and would do the same for anyone looking for installation or yearly maintenance services.
Shane has been here a few times and is always pleasant and professional.
I used Haller Enterprise to replace some plumbing and was very pleased.
Professional and polite! Overall always a good experience with Ken. Great at his jon
I’m always please with my Haller service. They are professional and efficient and communicate well.
We have a good experience with Mark. He’s been very helpful/supportive to us and he was able to give us option and listen to our concerns.
Very good communicating with me.
Moises was extremely helpful, very knowledgable and took the time to understand the issue before completing excellent service.
Thank you did a good job awesome! I like that your workers are kind and friendly not cold and robot like
Shane was courteous, professional, very customer focused. It was like having an old friend drop by to say hello. Shane resolved the issues with our well pump system very quickly. Highly recommend Haller for everything HVAC and more. Thank you Shane awesome job👍🏼
;1/1The gentleman that came Jesse B to look at the reason the furnace wasn't working took time to show me and explain all the things he found by using a camera. We decided to purchase a new furnace and setup the installation. The ( 2DS ) I called them both had names started with Ds. We're very knowledgeable and explained everything they were going to do. They were very careful moving things in and out of the house and Covered the floors. Did a very neat and clean job. I would recommend Hallers to anyone.
Jonathan was in and out in less than a half hour and did an excellent job on both projects he worked on. There was no mess when he left, he did a great job cleaning up after himself. Jonathan was very friendly and personable and made sure he answered all of my questions. Haller should know what an asset he is to your company.
Very professional! Vary quick with the job but ensure the job was done correctly
Recently had A/C maintenance service. Thanks for the good service through scheduling, updating and Jesse for performing the service on the unit.
Great response time, excellent service, and a great value
Excellent service, quality, efficiency, and honesty in their work.
Darius was great. The cost for a new garbage disposal is astronomical.


Protect Your New Furnace with the Home Comfort Club

Now that you have a new furnace, a little routine care goes a long way.

Haller’s Home Comfort Club is designed to protect your home’s HVAC, plumbing, and electrical systems with scheduled tune-ups, priority service scheduling, and exclusive member savings. It is a simple way to stay ahead of costly problems across every system in your home. Contact our team to learn how to sign up.

Homeowner greeting Haller technician at the door for maintenance


Friendly Haller Enterprises technician greeting homeowner

(833) 222-2953

Time to Replace Your Furnace? Look for These Signs

Knowing the warning signs of a failing furnace can help you avoid a breakdown on the coldest days of a Central and Eastern Pennsylvania winter.

When repair costs keep adding up, replacing the system is the smarter financial call. A furnace that has needed service multiple times in a single heating season is in a different category than one dealing with an isolated issue, and continuing to repair it ahead of a Pennsylvania winter is a gamble that rarely pays off. 

An unexplained jump in your heating costs often points to a system working harder than it should to maintain temperature. Older furnaces work harder to produce heat when temperatures drop into the 20s from December through February, burning more fuel while delivering less consistent warmth. That decline shows up in your utility bills across the heating season.

Cold spots or rooms that never warm up are a sign the system is struggling. As furnaces age in a climate with real winters, they lose the ability to distribute heat evenly, and rooms farthest from the unit are usually the first to feel the difference. If some rooms in your Harrisburg, Lancaster, or Bethlehem home are consistently colder than others during a cold snap, the furnace is telling you something.

Most furnaces have a lifespan of 15 to 20 years with proper maintenance. In Central and Eastern Pennsylvania, where your furnace runs heavily from early December through early March year after year, a unit in or past that range that is also showing efficiency or comfort problems has likely reached the point where replacement is the more honest conversation. Our technicians will give you a straight read on where your system stands.



Schedule Your Furnace Replacement

If your furnace is no longer delivering the comfort and efficiency your home deserves, Haller is here to help.

Do not wait for a breakdown in the middle of winter to make the call. Our team serves homeowners across Central and Eastern Pennsylvania and will guide you through the full replacement process to make sure the right system is installed safely and correctly in your home.

Contact us today to schedule your furnace replacement consultation.

Male Haller tech with tool bag entering residential home smiling.


Frequently Asked Questions

How do I know if I should repair or replace my furnace?

Age and repair history are the two biggest factors. If your furnace is under 15 years old and the issue is isolated, a repair usually makes sense. But if the system is 15 to 20 years old, has needed service multiple times in recent winters, and is struggling to keep up during Pennsylvania cold snaps, the math shifts. A furnace that is defaulting to emergency service calls in January is already telling you it cannot do the job on its own. Our technicians will give you a straight answer on which direction makes sense for your specific situation.

How long does a furnace replacement take?

Most furnace replacements are completed in a single day. Our team removes the old system, installs and connects the new unit, verifies combustion and venting, checks airflow, and runs full operational testing before leaving. If the installation involves ductwork modifications, venting changes, or fuel source adjustments, the timeline may vary. We walk you through what to expect before work begins.

What size furnace do I need for my home?

Sizing a furnace correctly requires a load calculation that accounts for your home’s square footage, insulation levels, window placement, and how the existing system has actually been performing through Pennsylvania winters. An undersized furnace will fall short on the coldest nights. An oversized unit will short-cycle, deliver inconsistent heat, and wear out faster. Our comfort specialists do not skip this step. Getting it right on the front end is what determines whether your new system performs the way it should years from now.

Will a new furnace lower my energy bills?

Yes. Modern high-efficiency furnaces operate at efficiency ratings of 95 percent or higher compared to 60 to 80 percent for older units, which means more of every dollar of fuel turns into heat for your home. In Central and Eastern Pennsylvania, where your furnace runs heavily from early December through early March, replacing an aging unit with a properly sized, high-efficiency system typically produces a meaningful and consistent reduction in monthly heating costs across the entire winter.