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 8556 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 They identify safety concerns, outdated components, and areas that may need improvement.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 2533 reviews
Inspected and will replace heating system.
Thorough, helpful, and efficient.
A/C stopped working on a hot day and the prompt service sold me, had a tech at my house a few hours after calling, a simple fix and money well spent
Very prompt, efficient, and the repaired device is working perfectly.
Joshua came out for a electrical inspection on our initial contract. He was all business and knocked it out in around 30 minutes. Nice guy…very professional
Haller diagnosed the issue with my whole-house water filtration system quickly. It was repaired quickly as well. Friendly service person who explained the issues and solution to me. I already had their service plan for one hvac system, so I converted to a whole home plan to cover the water and upstairs hvac as well.
Systems check up – did a great job very efficiently once arrived. Was a little Kate due to heat wave related emergencies!
Jesse is extremely knowledgeable. He diagnosed the problem with my AC that others had missed.
We purchased our HVAC system from Haller and also established a service contract. Today, Haller sent Christian to service our unit. He was right on time and quickly performed the checkup. These guys do a good job!
Jesse was personable and professional! More than willing to answer questions and informative during the entire visit!
The Haller representative arrived punctually, and completed the inspection of our air conditioning system in a timely fashion. He also took the time to describe what he did, and the functionality of said system. He completed all of this in a very friendly and professional manor.
My experience today was great.my technician was prompt, courteous, thorough and extremely professional. I'd certainly recommend.
Ron was excellent
These guys came out same day and did an excellent job. Customer service and workmanship is great. I love how they have 24/7 service. Would recommend them to anyone.
Excellent service!
Micheal came put and was GREAT! They sent him in a timely manner
Colin did a good job. We as yet havenโ€™t solved the problem
Jared is very professional, great attitude and attention to detail. Stellar service is always greatly appreciated and highly recommend Haller Enterprises for heating and air conditioning. Thank you for speedy and efficient service!!!
Phil was very friendly and even enjoyed our two dogs and gave them a lot of love. Work was done effectively both inside and outside.
Gabe from Haller Enterprises arrived promptly when scheduled. He listened carefully to my questions/concerns and then made an honest effort to find answers/solutions. Although no immediate resolution to the main issue was found, Gabe promised to continue his search on his own and contact me promptly when he had success.
In an out very professional
Don Humenik was our technician. He came with another technician, I think his name was Larry though did not get a last name. I could not ask for a more professional, helpful and friendly experience. We just moved into our house which had one prepaid maintenance visit left from the previous owners. They honored that last maintenance check and so there was no fee to us. That says a lot about how they do business. Because of that, and reinforced by Don and Larry, I signed onto their yearly maintenance agreement. I feel like I finally have a trustworthy, competent, and fairly priced company to work with. Other companies Iโ€™ve dealt with in the past have hit one or two of those, maybe good to work with but really expensive. I feel like Haller hits all the marks.
Gabe is the best plumberโฃ๏ธ
Mark was great, had a new toilet and a hot water tank installed,guy know what he was doing Definitely he is a keeper Thanks Mark
Shane and Matt are two pros who are really good at their job!!! We are very happy with their work…. thank you

(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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