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 2648 reviews
Gale Zorian
13 hours ago
Gabe is the BEST
Louann Green
13 hours ago
As far as Brayden.i give him a 5 star review..
Anthony Billett
16 hours ago
Thank you" to Haller for our recent HVAC installation. From the proposal to end of the project, the Team was communicative, professional, and promptly responsive. I would highly recommend this business for your heating, venting, or plumbing Needs.
They came out the day I called them and inspected the heat and ac units. They explained all the issues they found. They did a great job installing the new furnace and AC condenser. The new setup is 100 times better than the old setup.
Xavier Martinez
21 hours ago
Nevin was cordial, knowledgeable, and respectful.
Kurtis provided excellent response and service to my A/C questions and concerns. He was very professional and thorough in handling the A/C call.
Mike Minney
1 day ago
Gabe did a fantastic job getting rid of the old 50 Gallon Water Heater, replacing it with a Tankless Model. Also updated the Plumbing Home Run Manifold, labeling and making everything much cleaner and more efficient. Recommend Gabe for Plumbing anytime!
Bob Shepp
2 days ago
Nick H was very respectful, pleasant, knowlegable and efficient during our annual hot water heater maintenance and plumbing system checkup.
Steve Becker
2 days ago
Shawn was technically knowledgeable and very personable and directed us through the steps needed to get our furnace repaired.
Jim Morrissey
2 days ago
Shawn is a gentleman and a professional.
Kate L
4 days ago
The service technicians arrived on time and were friendly and professional. Mark, clearly explained all of my replacement options and provided a straightforward quote for me to review before work started. He gave me an estimate of how long the job would take and they were able to replace same day within the time quoted.
James Gorey
5 days ago
The tech was outstanding he explained everything that he was doing
Jay Hess
6 days ago
Technicians were prompt, courteous, excellent job!!
Jeff Dodd
7 days ago
Christian W just serviced our hot water heater and did an excellent job. He was on time, professional and very knowledgeable. Another 5 star performance by Haller!
Aida Nunez
7 days ago
Professional, knowledgeable, and super nice!
Westley was great. Very professional, explained everything he was doing and assessing. Also helped me understand my options. Highly recommend
Gary Kutay
1 week ago
Carl as always was knowledgeable and professional. Did a great job with the four units we have. Work done in a very timely manner.
Jason Phillips
1 week ago
From the time I called to schedule the appointment to the time the technician left, only 3 hours passed. Quick, timely service. Carl was very kind and professional and fixed our leaky AC.
Eugene Amoro
1 week ago
Great job, on time and very professional!
Carol Wiker
1 week ago
Been with Haller almost 20yrs I believe
Jon Fassnacht
1 week ago
Eliezer worked fast and did a very thorough job getting rid of our old water heater and installing a new one.
smav120
2 weeks ago
Ken did an incredible job maintaining my equipment. He was extremely thorough. I appreciate the communication and recommendations he made. Thanks for the peace of mind, knowing where my equipment stands.
Mike Smith
2 weeks ago
Technician was very professional. Really appreciated their honesty and integrity and kindness.
Tina Devonshire
2 weeks ago
Cleaned our furnace , very professional.
Joseph Mast
2 weeks ago
Great job


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.