Committed and Experienced and Complete Customer Satisfaction          24-Hours A Day 570.322.2384

R & J Ertel, Inc. has developed a strong service presence over the last 35 years in Central Pennsylvania. With over 40 service vehicles on the road, our ability to respond to our customers needs is unequalled by our competitors.


Our fully staffed service department of trained professionals is ready to assist with all your service and preventive maintenance requirements 24-hours a day.



All lines of heating and air conditioning equipment repairs from a basic furnace
or boiler to a large cooling tower or chiller.

We are committed to complete customer satisfaction and handle all service requests promptly and efficiently.


Our Service technicians focus their efforts on the operational service requirements and proper procedures to keep your climate controls, integrated systems, refrigeration, computer rooms, boilers and chillers performing efficiently and reliably.


Our Service technicians bring a wide array of experience, and knowledge to your building systems needs.


To realize benefits in energy efficiency and equipment reliability requires appropriately timed and properly performed maintenance. Our dedicated Service technicians follow our thorough process and documentation requirements to guarantee that our customers are provided with the benefits we promise.


Our peak performance maintenance agreements are among the most comprehensive in the industry and serve to eliminate nuisance breakdowns while providing enhanced efficiency.


System operating irregularities are promptly diagnosed and corrected to protect your facilities assets. We can be a supplement to your maintenance staff, or the perfect “out source” for your maintenance and service needs.

Mechanical Construction Company located in Williamsport, Pennsylvania

Construction Services • Energy Services • Engineering and Design • Sheetmetal Manufacturing • Service

301 Charles Street • South Williamsport, PA 17702 • Phone 570.322.2384 • Fax 570.322.0398