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

Drains Cleared

Trucks on the Road

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If your current system is outdated or unreliable, a new furnace makes a noticeable difference, especially through a Central and Eastern Pennsylvania winter.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 2435 reviews
Excellent service. I have used Haller for all household needs for over 20 years
Connor was professional, gave options and the price and didnโ€™t pressure. Work was done well, and we appreciated how quickly Haller sent someone out to replace the outside faucet.
Highly recommend, Jonathan was very informative and knowledgeable!
Staff is excellent, prompt, friendly, professional
Fantastic job. Very professional. Would highly recommend Mark when such a task is needed, ie, installation of a new water heater!!
Great service and information.
Stephen arrived on time, inspected our thermostat and furnace and explained what our problem was. He explained everything clearly and made suggestions and quoted prices. He was very transparent both on what needed to be done and cost. He then promptly proceeded to complete the needed work. He was very professional. I am very pleased with Stephen and Haller. I highly recommend their services.
Great overall service!
Appt was scheduled quickly, service man was pleasant and explained clearly what repair needed to be done. I have been a customer for years and will continue to call them. To
Repair that was included in our service contract.
Thank you Colin and Rodrigues for wonderful, prompt, virtuous service. It is awesome to have my hot water back! You two are the best!! ๐Ÿค—
Chris did a great job cleaning both splits. He also explained what could be causing the whirl sound coming from one of them. Gave me a quote for the work so we can plan our budget.
The technician, John Wentz was very efficient, knowledgeable and professional. Highly recommend.
Another great experience with a Haller. Every technician that comes out to service our units is knowledgeable, respectful, and thoughtful. Thanks Nate!
He was very friendly got the job done in a good amount of time.
Mason was very prompt, provided excellent status updates to his arrival, and conducted his work professionally. Thank you Mason!
Austin was very professional today and did a great job! Thank you Austin!
I have been working with Haller for several years for my whole house generator. The techs have been super friendly and informative, which I really respect because I like to know how these things work! Very reasonable prices too! They were also the only service company that I was able to find to work on my generator, because everyone else didnโ€™t want to touch it since they โ€œdidnโ€™t install itโ€โ€ฆ I have no idea who installed mine because it came with the house and the previous owner didnโ€™t leave us that info. Haller has definitely been a life saver for my generator!
Complete HVAC system installation was done flawlessly and efficiently. Consultation and service was professional from the start to end.
Have only experienced fine dealings with everyone at Haller during the seamless process of replacing the old HVAC system and then with each seasonal maintenance check-up. Recently, Jeff performed the winter-to-summer maintenance work. He made this system simple and easy to understand for us, and we appreciate his patience and expertise. Highly recommend Haller Enterprises!
A/C replacement: the installers were courteous and efficient, showed up on time and did a good job
Phil Rathman was great! He was a great help, great to talk to, and went above and beyond to make sure our system was running efficiently. I would highly recommend!
Brian is excellent with my HVAC service
Service is always excellent. Maintenance
James , did a great job . I highly recommend Haller.


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.