readerschoice2016
readers-choice

Since 1945, O.L. Jacobs has proudly provided Central Pennsylvania with the following commercial industrial mechanical services:

– Rooftop HVAC Units

– Chillers and Cooling Towers (Water and Air Cooled)

– Process Piping

– Commercial Plumbing Services

– Boilers

– Heat Pumps and Furnaces

– Fans, Pumps and Motors

– Sheet Metal Fabrication and Installation

– Design Build Services

– Humidification/Dehumidification

– Electrical Services

– Energy Management

– Honeywell Energy Management Controls

– Preventative Maintenance

– Solar

– 24 Hour Emergency Service

Learn more about our residential and light commercial capabilities including heating, cooling, geothermal and solar services

 

Services