PHIUS / Companies

Alpen High Performance Windows

We manufacture Passive House Certified windows (both PHIUS and PHI) and glass and door solutions that meet the energy efficiency needs of a...

RPA | Richard Pedranti Architect

Richard Pedranti Architect (RPA) is a full service architecture firm serving the Upper Delaware River Region as well as Philadelphia and Ne...


...PHIUS (Passive House Institute US). Our staff includes Passive House Consultants and LEED™ accredited professionals.