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Furnace Installation & Replacement

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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.

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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

Call (717) 204-8120 for furnace installation and replacement.

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(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 2614 reviews
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JP Lyet
Routine seasonal A/C service. Easy scheduling, timely arrival with phone alerts.
Carl did a superb job!! Thorough and most helpful with questions as posed. HVAC pre-paid plan. Extra parts only.
Excellent service! Professional & Highly recommend.
Kathryn Dillon
Very polite and well informed about his job.
Amber Lizak
We go back to Haller time after time because they work to fit you in when time is of the essence and their large inventory allows for quick repairs. During our recent repair, our technician Phil was so friendly and took the time to explain everything and make sure we were well informed of our options.
Peter Acevedo
Great job, servicing my AC units
Janice Gebert
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.
Debra Esterly
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!!
Karen Day
Very friendly and prompt technicians….hassle free experience! Highly recommended.
Paul Daigle
Thor was amazing. Knew what he was doing, solved our issues, and provided great advice.
Cheryl
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.
Jeffrey Allen
Jason was at my house for two separate projects and did very thorough work both times. Will definitely have him out for future projects!
ann cassino
Worked on my heat pump for the central air and stood until the airflow was right
Jeremy Weaver
Great customer service and honest recommendations!! Very helpful!
alan shaffer
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.
Ron Swank
James , did a great job . I highly recommend Haller.
Robert Schwartz
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.
Brian Wolf
Very friendly & helpful
Alan Fry
New AC unit
Shane Steele
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.
Randy Miller
Very personable. Shared some good information with me
carl hrbac
replaced heating and cooling system. Excellent job and great service.
NANCY MOATS
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 wasn’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
Ember Brown
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!
Doug Phillips
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.
Joseph Mast
Great job
kathy baker
The serviceman was very friendly, respectful of person and place, and very diligent at work.

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.

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Home Comfort Club

Maintenance plans starting at

$39 /mo

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(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.

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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.

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We’re Here to Help!

Quality, Friendly Service in Central & Eastern PA

(717) 204-8120

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.