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Reliable Electrical Service Since 1981

When it comes to electrical work, trust matters.

Haller has been serving homeowners across Central and Eastern Pennsylvania since 1981, providing reliable service with a focus on safety. For more than four decades, we’ve helped homeowners in Lancaster, Harrisburg, York, and surrounding areas maintain safe and functional electrical systems.

(717) 204-8120

4.7
Based on 9648 reviews
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Carrier Residential Factory Authorized Dealer
North American Technician Excellence - NATE - Certifying the Finest in HVACR

Emergency Service

HVAC Systems Serviced

Drains Cleared

Trucks on the Road


How Our Electrical Outlet Installation Process Works

Upgrading or installing electrical outlets with Haller is simple, reliable, and worry-free.

Our team is very familiar with the unique electrical setups found in Pennsylvania homes, allowing us to offer practical guidance and smart recommendations tailored to each situation. We pride ourselves on providing honest service at reasonable costs. From small outlet upgrades to full electrical system work, we make it easy for homeowners to understand their options and make informed decisions.

Our process is designed to protect your home while delivering a high-quality installation.

Our electricians begin by evaluating your current outlets and electrical system. They identify safety concerns, outdated components, and areas that may need improvement. After the assessment, they explain the options in clear, practical terms so you can make an informed decision.

Once the evaluation is complete, we create a plan tailored to your home’s layout and your specific needs with clear pricing before any work begins. This plan includes the type of outlets, proper locations, and whether GFCI outlets are necessary in moisture-prone areas. We also provide a timeline so you know exactly what to expect.

Using the latest tools and techniques, our licensed electricians install your new outlets safely and efficiently. Each installation follows strict local codes and safety standards to prevent future hazards. Before leaving, we thoroughly test each outlet to ensure proper functionality and safety, answer any questions you may have, and provide guidance on caring for your new outlets.

(717) 204-8120


What Our Customers Are Saying

Learn More About Our 100% Satisfaction Guarantee

4.7
Based on 2724 reviews
C Brent Spackman
9 hours ago
Services were professional as always!
Donna Englerth
13 hours 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.
Bob Gilbert
14 hours ago
Great service and information. Especially regarding CO2 monitors.
Kimberly Jacobs
2 days ago
Very personable and made sure everything was clear.
Holly King
2 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
2 days ago
Great job, on time and very professional!
Penny Duke
2 days ago
On time, respectable, did not waste my time or his. Would recommend.
David Burke
2 days ago
Kurtis knows what he's doing! He did a great job repairing our heating system.
Excellent service—Nick was courteous, knowledgeable and efficient. He went beyond what he was asked to do.
David
3 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
3 days 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 Hallar’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 Hallar’s for any project which requires electrical, plumbing, or HVAC expertise. They are proven to be cooperative, timely and highly skilled.
Keith Hunsicker
5 days 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
5 days ago
Checked my instant water heater as part of the maintenance contract.ordered gasket was mishandled causing delay in repair.
Stewart Abowitz
5 days ago
Connor is very knowledgeable of the repair he needed to do.
Mary Wright
6 days ago
Nicholas was knowledgeable, efficient, tidy and punctual. Very easy to work with him.
Donald Humphrey
6 days 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
6 days 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
6 days ago
Nevin was great and super helpful! Will definitely recommend Haller to family, friends and clients! Thank you!!!
Gus G
6 days ago
The tech was very thorough. Friendly and knowledgeable. Arrived on time.
Lindsey Key
7 days ago
Exceptional service, got us in a timely manner and they were very clear at explaining everything that was being fixed.
Beth Watters
7 days ago
The technicians are very knowledgeable very professional courteous couldn’t ask for any better
Todd Novinger
7 days ago
Nathan was prompt did a great job and had been here previously which was a plus
David Acaster
1 week ago
We had been having air conditioning issues for a couple years where we had to fix it multiple times a year. We discussed the issues with our current air conditioning repair company who said the problem was the ac was getting near end of life and was struggling to keep the house cool when it got hot out. We asked them to give us a quote to replace the system. The person who came out only wanted to sell us on heat pumps and a lower quality air conditioner than what we had. So we contacted Haller to come out to give us a second opinion. One of their sales people ( Alex Steffy) came out looked at our current system and provided us with a variety of options to address our issue. He was very professional knowledgeable and polite. He explained why we had issues and how we should possibly remedy them. He provided 3 separate quotes outlining exactly what what equipment we would be getting and the cost for each option. The installation was done quickly and professionally by two gentlemen. The even offered a 5 year warranty though Haller in addition to the 10 year warranty by carrier. They may be a bit more expensive but I believe the service and care your get from them is worth the extra money.
Dennis Jeff
1 week ago
Excellent efficient service. Pleasant personality.

Technician on residential street in Behthlehem Pennsylvania

(717) 204-8120

Signs It’s Time for New Electrical Outlets

Even with proper maintenance, outlets may eventually need replacement.

Look for these warning signs:

An outlet that shifts or pulls away from the wall when you plug something in usually means the internal connections or mounting screws have loosened over time. This movement can lead to poor contact, sparking, or even short circuits. The safest solution is to have the outlet secured or replaced and the wiring connections checked. Tightening the device box and installing a new outlet restores a firm connection and reduces fire risk.

Yellowing, browning, or visible burn marks around an outlet often point to overheating caused by loose wiring, overloaded circuits, or a failing receptacle. The outlet should be replaced and the wiring inspected to identify the source of the heat buildup. Addressing the issue early helps prevent further damage and lowers the risk of an electrical fire.

If plugging into an outlet regularly trips the breaker, the circuit may be overloaded or the outlet itself may be faulty. An electrician can test the circuit load and inspect the outlet to determine whether it needs replacement or if the circuit should be redistributed. Correcting the issue restores dependable power and prevents ongoing strain on your electrical system.

Two-prong outlets without grounding are common in older homes and may not safely support modern electronics. Upgrading to properly grounded three-prong outlets and installing GFCI protection where needed improves safety and ensures compatibility with today’s devices. Modern outlets provide better performance and bring your home closer to current electrical standards.

Types of Electrical Outlets Haller Installs

Upgrading your electrical outlets improves both convenience and safety throughout your home.

Whether you’re remodeling, adding new appliances, or updating older wiring, the right outlet makes a difference in everyday functionality. Haller installs a variety of outlet types to meet modern electrical demands and local code requirements.

Standard duplex outlets provide reliable power for everyday devices throughout living rooms, bedrooms, and hallways. In kitchens, bathrooms, garages, basements, and outdoor spaces, GFCI outlets are required to protect against electrical shock where moisture is present. Haller installs and tests both types to keep your home up to code and performing safely throughout.

Arc Fault Circuit Interrupter outlets help prevent electrical fires caused by damaged or deteriorating wiring. They detect dangerous arc faults and quickly cut power to the circuit. Haller can upgrade your bedrooms and living areas with AFCI protection to enhance overall electrical safety for your family.

USB outlets combine traditional plug access with built-in charging ports, eliminating bulky adapters and keeping devices charged efficiently. Smart outlets go further, allowing control through a smartphone app or voice assistant with scheduling, remote access, and energy monitoring. Haller can install both types in key areas of your home, adding modern convenience and flexibility to your daily routines.

Why Homeowners Trust Haller for Electrical Work

At Haller, every service is backed by decades of experience and licensed electricians.

We take pride in providing work that homeowners can trust, done right the first time.

All work is completed by fully licensed electricians who are trained to meet safety codes and handle any electrical issue. This ensures that your installation is compliant and safe for your home and family.

From lighting upgrades to panel work, outlet installations, and GFCI replacements, Haller handles a wide range of electrical services. You can trust us for any project, big or small.

With nearly 400 employees across five branches, we can serve homes quickly throughout Central and Eastern Pennsylvania. Our team’s size allows us to respond promptly, even for same-day or emergency service needs.

We offer flexible financing to make electrical upgrades manageable for homeowners. This allows you to prioritize safety and functionality without worrying about upfront costs.

Our technicians provide straightforward advice, recommending only what is necessary for your home. You can trust that our recommendations are based on expertise, not upselling.

Decades of service in the region mean we understand common electrical setups in homes across Lancaster, Harrisburg, York, and the Lehigh Valley. From older wiring to modern systems, our team knows what works best and meets all local codes.

(717) 204-8120



Male Haller tech with tool bag entering residential home smiling.

Ready to Upgrade Your Electrical Outlets?

Don’t wait for a small electrical problem to turn into a safety risk. Haller offers professional, licensed electricians who know homes across Central and Eastern Pennsylvania. Contact us today to schedule your outlet installation or electrical inspection.


Electrical Outlet Installation FAQs

How long does outlet installation take?

Most outlet replacements take under an hour per room, though larger projects or multiple GFCI upgrades may take longer. Our team works efficiently without compromising safety or quality.

Can you install GFCI outlets?

Yes. We install GFCI outlets in kitchens, bathrooms, garages, and other areas where moisture is present to ensure safety and code compliance.

Are your electricians licensed?

Absolutely. All Haller electricians are licensed, trained, and experienced in residential and commercial electrical work, including complex installations.

Do you offer same-day or emergency service?

Yes. Our large team and multiple branch locations allow us to provide fast service when electrical problems cannot wait.

How do I know if I need new outlets?

Signs include loose outlets, discoloration, frequent circuit trips, buzzing sounds, or outdated two-prong outlets. Our electricians can inspect your home and recommend safe, cost-effective replacements.

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