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Mark has been invaluable in the HVAC design process, and his involvement has restored confidence in both my client and myself that we have the proper system.

- Delson Sherman Architects, P.C.

Fusion Systems Engineering, DPC is a building systems engineering firm, specializing in mechanical, electrical, plumbing, and fire protection design and commissioning. Our staff has provided design, consulting, and commissioning services throughout New York, New Jersey, and into New England.