Your Local Water Heater Replacement Pros

Homeowners across Central and Eastern Pennsylvania trust Haller for dependable water heater replacement and lasting results.

Haller has been serving Central and Eastern Pennsylvania since 1981, working in homes across the Lehigh Valley, Lancaster County, York, and Harrisburg for more than four decades.

We have built our reputation on quality workmanship, honest recommendations, and a safety-first approach on every installation. Every water heater replacement we complete is backed by our 100% satisfaction guarantee.

(717) 204-8120

4.7
Based on 9648 reviews
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North American Technician Excellence - NATE - Certifying the Finest in HVACR

Emergency Water Heater Replacement

You cannot always plan for water heater replacement, and sometimes your system fails without warning.

Haller understands that a failed water heater is disruptive on the best day and worse in the middle of a Pennsylvania winter when cold-water supply lines are already running colder. Our technicians are standing by to respond quickly and restore hot water to your home. Call our team today if you need emergency water heater replacement.

Emergency Service

HVAC Systems Serviced

Drains Cleared

How to Schedule Your Water Heater Replacement

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

We keep the process clear and direct so you can move from a failing system to reliable hot water without unnecessary delays.

Call us or reach out online and our staff will gather details about your current system, including its age, fuel type, tank size, and what you have been experiencing. 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 technician visits your home to assess the existing water heater and evaluate what your household actually needs. For water heater replacement, this means reviewing the current tank size, fuel source, venting, and supply connections alongside your household size and daily hot water demand, because a unit sized wrong for the home it serves will underperform from day one.

We walk you through replacement options, including tank and tankless systems, gas and electric configurations, and efficiency ratings. You will receive upfront pricing and clear explanations. There is no pressure to decide on the spot.

Our licensed technicians remove the old system and install your new water heater with a focus on safety and precision. Before we leave, we test the system under operating conditions, verify temperature and pressure relief valve function, check supply and gas or electrical connections for proper operation, and confirm the unit is venting correctly. A water heater replacement is only finished when every connection has been verified under load.

(717) 204-8120

(717) 204-8120

Benefits of Water Heater Replacement

If your current system is aging or underperforming, a new water heater eliminates the frustration of recurring problems and delivers reliable hot water from day one.

Modern water heaters bear little resemblance to the tanks installed a decade or more ago. Higher efficiency ratings, better insulation, and improved safety controls make today’s units genuinely better at the work a Central and Eastern Pennsylvania household demands of them year-round.

Modern high-efficiency water heaters use less energy to deliver the same supply of hot water. Tankless units heat on demand rather than maintaining a standing tank at temperature, and newer high-efficiency tank models insulate better and lose less heat to standby. In a climate where winter cold-water supply temperatures drop and the heater has to work harder through December, January, and February, that efficiency difference shows up in your utility bills every month.

An aging water heater is more likely to fail at the worst possible time, and a tank that has been operating past its useful life is rarely delivering steady performance in the meantime. A new system sized and installed correctly provides consistent hot water without the pattern of declining supply and reactive repairs that come with a failing unit.

If your household has outgrown your current system, running out of hot water becomes a regular frustration. A properly sized replacement matched to your household’s actual usage, whether a larger tank or an appropriately sized tankless unit, eliminates the morning shower shortages and the wait for recovery between loads.

Older water heaters can develop corrosion in the tank, failing pressure relief valves, and compromised gas connections or electrical components. A new system is built with modern safety controls and installed to current codes, which matters in older homes across Allentown, Bethlehem, and Lancaster where the original water heater installation may have predated current safety standards.


Why Homeowners Trust Haller for Water Heater Replacement

Replacing your water heater 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.

Every water heater replacement is performed by Haller’s licensed plumbers and technicians, not subcontractors. Our team understands the full scope of what replacement involves, from supply connections and venting to pressure relief and fuel source setup.

Haller has been working in Central and Eastern Pennsylvania since 1981. Four decades across the Lehigh Valley, Lancaster County, York, and Harrisburg have given our team a familiarity with the plumbing configurations, venting setups, and code requirements found in homes throughout our service area.

A new water heater is often an unplanned expense. 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 delaying a replacement that is already causing problems.

Water heater 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 over a weekend in Lancaster, you are not left waiting until business hours to reach someone.

Every replacement follows strict safety procedures for supply connections, gas or electrical setup, proper venting, and pressure relief valve testing. 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 2699 reviews
Julie Hamilton
19 hours ago
We always have a great experience when the technicians come for the yearly service!
Chris Coffin
3 days ago
Phil was great. Professional, knowledgeable and courteous. He even fixed an issue i didn't know existed.
Sherwood Forbes
3 days ago
Visited by Alexis on 10/29/26 to do the pre-heat season checkup on gas heating system. He was very technically prepared with appropriate technology to view into the combustion chamber and verify no holes or cracks, etc. He was very thorough in all system verification and safety checks. I would highly recommend Alexis and Haller.
The crew was here on time, courteous and informative.
Jonathan is fantastic! He always explains things thoroughly and gives us great advice. He takes the time and is very thorough.
Spider Lee
4 days ago
Haller Plumbing technician Gabriel H. came to my home to replace my main water shut-off valve. Gabe has performed plumbing work in my house multiple times. He is good at what he does, for sure. He is very professional, efficient, friendly, and patient. Gabe is an excellent representative for Haller Enterprises.
Carl Bossler
4 days ago
Prompt, professional as expected. All work performed was explained thoroughly.
Services were professional as always!
Donna Englerth
5 days ago
Chris was our technician. He was very respectful, and asked if there was anything that I had questions about. I could tell that he had good work ethics. I then trusted that he was doing a great job.
Holly King
6 days ago
Haller has updated some of their communications. I received confirmation of my online booking. A text with picture of who was coming. Another text to state employee was on the way. If you are looking out for safety, I can't recommend a better company. I have been using Haller services for about 10 years. Haller has been great about everything. I know some of you are going to say expensive. I have never needed a second visit for anything that they fixed. Done once and done right. Thank you!
Eugene Amoro
7 days ago
Great job, on time and very professional!
Penny Duke
7 days ago
On time, respectable, did not waste my time or his. Would recommend.
David Burke
7 days ago
Kurtis knows what he's doing! He did a great job repairing our heating system.
Excellent serviceโ€”Nick was courteous, knowledgeable and efficient. He went beyond what he was asked to do.
David
7 days ago
Today we had routine service on our heat pump system and hot water heater. Notice of and arrival exactly as scheduled. Communication of system performance was outstanding and the explanation of some necessary replacement parts was commendable. Five star review is well deserved.
Bruce Shipley
1 week ago
Our church in Downingtown recently constructed a memorial garden. This was a fairly diverse project that required masonry, landscaping, and electrical crafts. We selected Hallar for the electrical portion of the project which required them to work closely with the mason in order to ensure a coordinated installation. Things went very well and the end result was a very successful project. Hallar installed the lights and a timer system which make for a very subdued and quiet setting in the evenings. In addition, during excavation for the masonry walls, our water service pipe was damaged. Because Hallarโ€™s is a multi-craft company they were able to make the necessary repairs to the water line without any disruption to the project schedule at a very reasonable price. We would recommend Hallarโ€™s for any project which requires electrical, plumbing, or HVAC expertise. They are proven to be cooperative, timely and highly skilled.
Keith Hunsicker
1 week ago
Wesley arrived at the designated time frame the appointment was made. He answered all are questions and addressed the concerns we had. The HVAC inside system is located in the attic and is not easily accessible. Wesley brought a ladder and was able to get the job done. He was very polite and honest. He also made sure to wear foot coverings while inside the house. A job well done!
Giora Bendor
1 week ago
Checked my instant water heater as part of the maintenance contract.ordered gasket was mishandled causing delay in repair.
Mary Wright
1 week ago
Nicholas was knowledgeable, efficient, tidy and punctual. Very easy to work with him.
Donald Humphrey
1 week ago
The service was extraordinary. My service person was polite, informative and customer centric. This person is the type of person you want engaging with people. I also learned some good ac and furnace tips. I give Shane 5 stars….out of 5.
Pat ONeill
1 week ago
Larry knew his stuff!
Sent me pic of technician that would be doing the service. This is great. Work was done professionally and methodically ensure all components inspected and verified.
Alyssa Lewis
2 weeks ago
Nevin was great and super helpful! Will definitely recommend Haller to family, friends and clients! Thank you!!!
Gus G
2 weeks ago
The tech was very thorough. Friendly and knowledgeable. Arrived on time.
Lindsey Key
2 weeks ago
Exceptional service, got us in a timely manner and they were very clear at explaining everything that was being fixed.


Protect Your New Water Heater with the Home Comfort Club

Now that you have a new water heater, 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

(717) 204-8120

Time to Replace Your Water Heater? Look for These Signs

Knowing when your water heater is failing can help you get ahead of a sudden breakdown and the disruption that comes with it.

When repair costs keep adding up, replacing the unit is the smarter financial call. A water heater that has needed service multiple times in a single year is in a different category than one dealing with an isolated issue, and continuing to patch it is usually a gamble that does not pay off. 

An unexplained jump in your monthly utility costs often points to a water heater working harder than it should to maintain temperature. In Central and Eastern Pennsylvania, where winter cold-water supply temperatures drop and the unit is running harder from December through February, an inefficient water heater does not hide that decline in your bills for long.

Visible rust on the tank or discolored hot water is a sign of internal corrosion. Once the tank itself starts to deteriorate, the only safe option is replacement. A corroded tank is a leak waiting to happen, and a tank leak in a utility closet or basement across a Lancaster or Harrisburg home can cause significant water damage before it is noticed.

Traditional tank water heaters typically last 8 to 12 years, and tankless units last 15 to 20 years with proper maintenance. If your system is in or past that range and is also showing efficiency or supply problems, replacement is worth a serious conversation. Our technicians will give you a straight read on where your system stands.



Schedule Your Water Heater Replacement with Haller

If your water heater is no longer delivering the reliable hot water your home deserves, Haller is here to help.

Do not wait for a complete failure or a tank leak to force the decision. 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 water heater 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 water heater?

Age and repair history are the two biggest factors. If your water heater is under 8 years old and the issue is isolated, a repair usually makes sense. But if the tank is 8 to 12 years old, showing rust or corrosion, leaking, or has needed service multiple times recently, replacement is the more honest answer. A tankless unit that is 15 to 20 years old is in a similar position. In a region where winter demand adds real stress to an already aging unit, continuing to repair a system on borrowed time usually costs more than replacing it would. Our technicians will tell you what they find and give you a straight recommendation.

How long does a water heater replacement take?

Most water heater replacements are completed in a single visit, typically a few hours for a like-for-like tank replacement. Tankless installations, fuel source changes, or work that requires venting or electrical modifications may take longer. We walk you through the expected timeline before work begins and update you immediately if anything changes the scope.

What types of water heaters do you install?

Haller installs traditional tank water heaters, tankless units, gas and electric models, and high-efficiency hybrid systems. Our technicians walk you through the options based on your household size, hot water demand patterns, existing fuel source, and venting configuration so the replacement is matched to your home rather than defaulting to whatever is simplest to install.

Can a new water heater lower my energy bills?

Yes. Modern high-efficiency water heaters use less energy to deliver the same supply of hot water, and tankless systems eliminate the standby losses that come with maintaining a full tank at temperature around the clock. In Central and Eastern Pennsylvania, where winter supply temperatures drop and the heater runs harder for months, replacing an aging unit with a properly sized, high-efficiency system typically produces a meaningful and consistent reduction in monthly utility costs.