Keystone Associates is pleased to announce that Christopher Zarrelli, QCxP, has joined the firm as a Mechanical Designer. His duties will include design of building heating and cooling systems. Mr. Zarrelli has more than 9 years of experience designing and inspecting building heating and cooling systems. Areas of specialty include air, hot water and DX cooled distribution systems, variable air volume design, specialized exhaust systems and boiler plants. Mr. Zarrelli is also skilled in commissioning installation and functionality of commercial and industrial building systems. Mr. Zarrelli has an Associates of Applied Science in Liberal Arts from Broome Community College and is a certified Accredited Quality Commissioning Process Provider (QCxP).
