Heating, Electrical & Plumbing Services

Top-Rated Home Service Contractors in Dover, PA

Haller Technician Helping customer with Memberships

Same-Day Home Service Solutions

You rely on many systems every day. If you expect clean water, comfortable temperatures, and reliable power, it’s crucial to keep your systems running properly. Turn to Haller Enterprises for HVAC, plumbing, and electrical services in Dover.

Our technicians know the ins and outs of today’s modern systems and can get yours working like new. You can rely on us for your needs, from small repairs and total replacements to maintenance.


Homeowner greeting Haller technician at the door for maintenance

Join Our Membership Plan

A maintenance plan from Haller can keep your systems working well for years. We offer complete maintenance in Dover for single systems or your entire property. From reduced repair costs to installation rebates and more, our maintenance plans are designed with your needs in mind.

Count on our team for comprehensive maintenance services.


Expert HVAC Services

Beat the heat and weather the winter with our HVAC Contractor’s help. We service and install central ACs, ductless mini-splits, furnaces, boilers, heat pumps, and geothermal systems.

Heat Pump

Heating Services

Staying warm in the winter can be tough without a good heater. Turn to Haller for these heating services in Dover:

  • Heating repair: We can fix heating elements, blower motors, and other crucial heating system parts.
  • Heating installation: When you need a new heater installed, we’ll carefully remove the old one and install a new unit in a day.
  • Heating maintenance: Annual heater tune-ups can keep your system running like new.
  • Commercial heating: Our team has the tools and expertise to handle large, commercial-grade heating systems.
Ice Machine

Comprehensive AC Solutions

The summer heat in Dover can be a lot to handle. Look to our team for comprehensive AC services, including:

  • Cooling repair: Let our team repair your condenser coil, refrigerant system, or other vital cooling parts.
  • Cooling installation: Install a new air conditioner in a single day with our help.
  • Cooling maintenance: Routine tune-ups can help prevent damage to your AC.
  • Commercial cooling: Look to our experienced technicians for commercial-grade AC services.

Enjoy comfortable temperatures all year. Call Haller today to schedule HVAC services in Dover, PA.

Haller Technician Standing Outside Work Van

Plumbing Services

You need reliable, sanitary plumbing throughout your property. Turn to Haller when you need any plumbing services, from minor repairs to major replacements. We offer:

Get help from local plumbers in Lititz to keep your plumbing in tiptop shape. Call today to schedule an appointment.

exposed beam ceilings with minimalist light fixtures

Electrical Services

Electricity is at the heart of nearly every system on your property. Without reliable electricity, you risk fires, appliance damage, and worse. Turn to Haller for professional electrician services, including:


Why Choose Us for HVAC, Electrical & Plumbing?

Haller has been a go-to team for HVAC, plumbing, and electrical services in Dover since 1981. We work hard to get your systems working. Choose us for upfront pricing, specials, financing, and more.

Keep your property’s vital systems working like new.

Call Haller to schedule HVAC, electrical, or plumbing services in Dover, PA.

Male Haller tech with tool bag entering residential home smiling.


What Our Customers Are Saying

100% Satisfaction Guarantee

4.7
Based on 1168 reviews
Service contract for standby generator, annual check. Knowledgeable, prompt…. exceptional customer experience.
I just had my annual AC cleaning by Safwan. He did a great job. In fact, he was here last fall to do the furnace cleaning and fixed a long standing problem I was having with my furnace. Very satisfied with his service. I would highly recommend him.
The technician arrived within the allotted window and successfully completed the required maintenance. He was friendly and polite, explained what needed to be done. I am very satisfied with the service.
Just received a quote.
We are very pleased with our experience with Haller Enterprises. The entire process was direct, simple, and efficient from start to finish. They took the time to clearly explain the different HVAC systems that would best suit our home, which made the decision process much easier and gave us confidence that we were choosing the right fit.

The installation was scheduled quickly, the work was done neatly and professionally, and the overall installation was very clean. We also appreciated the follow-up after the job was completed, which showed they truly care about their customers and the quality of their work.

Communication throughout the process was excellent, especially with our salesperson, Anthony. He continued to follow up, address any issues, and help find solutions whenever needed. That level of service made a big difference.

Because our first experience went so well, we reached back out to Anthony at Haller Enterprises to replace our water heater with a tankless system. This time everything was done with text, email and a few phone calls, no late evening meeting. That says a lot about the trust they earned with us. We would gladly recommend Haller Enterprises to anyone looking for quality work, strong communication, and an easy, professional experience.
The tech was great. He was very knowledgeable & helpful in showing me how to get the best out of my Heater/air conditioner
Service was very helpful, we now know that we need a new water pump.
Safwan did a great job! We are very pleased with Haller and their service.
Gentleman that came was great and very helpful.
Tech Greg was very informative and did great service.
Polite. Excellent. Courteous.
Rafael was efficient, knew the equipment he was working on and answered some questions about operation which I found helpful. Highly recommended.
My technician Ricardo was friendly and worked in a timely manner. Explained everything done in terms I could understand. And he let me know what preventative steps to take for cleaner air. Look forward to having him back 👍🏻
He was a skillful Gentleman.
Professional and friendly. Knowledgeable of his craft
Another A/C service that went great another year of no worries…thanks Haller !!
Ryan G diagnosed and repaired a water leak which was causing a high water bill. Thanks Ryan for an outstanding job!
Safwan was extremely helpful and worked with us to resolve our repair!!!
Jeffrey Dillensnyder from Haller Enterprises performed our semi-annual maintenance on our heat pump. He was quick, efficient and courteous throughout the whole process. One of the better experiences I’ve had.
Very professional. The technician had a clear mind on the job that has to be done. Impressive.
Justin was very helpful and efficient. Even brought my trash cans in before he left
I am very pleased with their work and professionalism
Haller was recommended to me by a friend and I have found them reliable. They went above and beyond providing the best solution to my HVAC needs. They are prompt polite and professional.
Omar was very efficient and personable. He did a great job.
Jeff was great! Thank you.

Redeem Offer

Your Promotional Selection Has Been Applied!

This field is for validation purposes and should be left unchanged.
Newsletter Signup
This field is hidden when viewing the form