Penchansky Whisler Architects is a full service architectural firm providing comprehensive professional services including needs assessment / programming, site planning, feasibility studies, and complete architectural / engineering and interior design services. Seth Penchansky, AIA, LEED AP, and Daniel E. Whisler, AIA. LEED AP serve as the firm’s principals with over 40 years of combined experience in the design of public libraries, municipal buildings, and commercial, office, and residential projects. These projects range in size from less than 1,600 to 100,000 square feet and are valued at over $100 million in total construction cost. We specialize in sustainable design solutions that are not just environmentally sensitive but make economical and innovative use of resources and materials to achieve our client’s project objectives.