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About us

MJD Systems was established to serve the Central Pennsylvania community with a high demand for commercial and new construction electrical, plumbing, and HVAC services.

 

Our team of passionate and experienced technicians takes on every job, big or small. With over 120 years of combined industry experience, we are proud to offer our specialists’ skills at an affordable price.

HVAC

Rooftop Units
Electric Heat Pump Split Systems
Central Air Conditioning Units
Oil / Gas Furnaces
Oil / Gas Boilers
GeoThermal

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Plumbing

Drain Pipes
Faucets / Fixtures
Piping Installation
Water Heaters

Toilets / Urinals

And more…

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Electrical

Restaurants
Retail – Shopping Centers, Malls etc
Office Space & Business Centers
Showrooms & Service Facilities
Theaters
New Construction

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Feedback

"They're the best company in the business!"
Melissa L.
"Working with their team was so smooth and easy. They handle every detail and gave me peace of mind."
Sally R.
"MJD Systems is our go to! We wouldn't choose anyone else to help with our commercial properties."
Ben L.

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