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 8366 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 They identify safety concerns, outdated components, and areas that may need improvement.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 2468 reviews
Excellent service- very personable and professional
Quick and courteous.
Andrew and everyone at Haller Enterprises did a great job in getting our furnace fixed. Andrew is also very personable. Thanks for all your help
Excellent service and great professional personality
Great cleanup
Very respectful
Noah was very thorough and thoughtful during visit. He asked many questions so that he could solve the problem.
Needed emergency service and they were there within a few hours. Great service. Friendly and efficient.
Excellent job and appreciated the explanation of what and why happened!!
Quick service and professional handling. Great experience.
They were on time and were through and professional . Was very pleasant.
Daniel S. worked hard to install a new kitchen faucet in my home. He was very helpful and went above and beyond his job duties.
Great service! Friendly, fast, and professional.
A/C fan stopped working Wednesday night just at the end of a heat wave. I called Haller Thursday morning and they scheduled a service call that morning! Their technician Nevin showed up when he said he would and by 1 pm on Thursday, less than 5 hours after my call, had the system examined, diagnosed, and fixed! Had the part needed in his truck. Outstanding service when I needed them most. 5 stars for Nevin.
Three services fulfilled: kitchen sink with complete related plumbing install, toilet install after repositioning rough-in, galvanized pipes replaced with PEX throughout an historic home. All completed timely with quality solutions plus advised me on tub/shower DIY project. I highly recommend.
It was a pleasure having Bradley in our home. He was professional and was determined to address our electrical needs. He communicated, advised and responded. Left home before he was finished. Not one concern for security. If I have future needs I will be requesting by name. Thanks, Haller's
Christian was great! On,time polite, & thorough.
Very professional and his service finding the problem was excellent
Our AC stopped working in the evening and Haller had a technician out to our house by the middle of the next day. Jason diagnosed the problem, quickly fixed it, and gave use fair estimates for future maintenance and upgrades to our system – very happy with the entire process!
Last-minute AC tuneup. Well needed and appreciate all of the input from Christopher as to what may need to be fixed and cleaned. Thanks for being patient and understanding since we had to communicate via the phone. My AC unit looks brand new!! Definitely needed a good cleaning. Now on a maintenance plan.
Very personalable
Nevin was a very polite young man, quietly did his job cleaned up everything and kept us apprised of his findings. Overall a very pleasant visit.
Thorough and helpful.yearly service
Jason did a really good job cleaning my air conditioners. Would highly recommend him..
Great, friendly service.
Shawn checked out my AC system and all was good. Appreciate his honesty and feel I'm finally working with a company with integrity, not sales people…
Service technician was very detailed when explaining services and any issues found. Provided photos with explanation.

(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.

(609) 799-3434



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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