About WTC

BPI - Building Performance Institute Inc.
National Center for Healthy Housing


Located at Pennsylvania College of Technology's General Services building in Williamsport, WTC was established in 1985 as a result of a partnership between Penn College and the PA Department of Community & Economic Development. Since its inception, over 8,000 individuals have participated in WTC energy conservation and weatherization courses, workshops, and special training events.

As one of the few Legacy Weatherization Training Centers, WTC offers a full range of competency based training courses for home performance contractors, utility companies, and persons who are employed by or subcontract to agencies that administer the Department of Energy’s Weatherization Assistance Program (WAP) and the Low Income Home Energy Assistance Program (LIHEAP).

As a Building Performance Institute (BPI) Testing Center, WTC offers training and testing for BPI Building Analyst, Envelope Specialist, Multifamily Professional, and Heating Specialist certifications.

WTC also provides industry-specific training on Infrared Thermography for Building Investigations, solar and heat pump technology, and certification in OSHA 10 Construction, OSHA 30 Construction, and EPA Certified Lead Renovator (taught under the accreditation of the National Center for Healthy Housing).


  • Competency-based courses approved by Pennsylvania Department of Community and Economic Development and mapped to the Job Task Analyses for the Home Energy Professional Certifications developed by the U.S. DOE National Renewable Energy Laboratory (NREL)
  • Energy Conservation and Weatherization lab development expertise
  • Instruction in building science, principles of energy, moisture and indoor air quality,  control strategies, and building and mechanical systems audits
  • Building product information and other resources


The WTC is associated with Pennsylvania College of Technology, whose history and development into one of the nation's premier technical colleges, its resources, and physical plant, makes for an excellent training environment.

WTC is a division of the Pennsylvania Housing Resource Center at Penn College under the department of Workforce Development & Continuing Education, which offers noncredit training and workforce development to industry and the general public

WTC facilities include...

  • A 16,000 square-foot, state-of-the-art instructional space
  • Three dedicated, multimedia-equipped classrooms, plus a class-instruction area with wireless capability in each of the two hand-on training labs
  • A Tactics Lab featuring a six-unit demonstration structure, six workstations, fully equipped blower units for installing cellulose insulation, and storage space
  • A Diagnostics and Energy Conservation Lab that allows for multiple training events and testing featuring two demonstration and test houses with blower-door testing equipment and a six-unit structure for single- and multi-family scenarios
  • A heating appliance training area (10 functioning heating units)
  • A base load display/demonstration area
  • A full-size HUD manufactured home that allows for hands-on application of energy conservation measures
  • A “house of pressure” balloon-framed module where pressure diagnostic procedures are demonstrated
  • A mobile unit for the purpose of in-field training at remote locations
  • Office space for instructors, visiting instructors, and support staff

Pennsylvania College of Technology
One College Avenue
Williamsport, PA 17701


© 1995 Pennsylvania College of Technology. Penn College® and degrees that work® are registered in the U.S. Patent and Trademark Office.