Marcy Engineering

Marcy Engineering holds a 5.0-star rating across 26 reviews and serves Harrison, NY as a specialized engineering consultant focused on HVAC systems. The firm provides load calculations, building surveys and diagrams, and design services for both residential and commercial projects. Working Monday through Friday from 9 AM to 5 PM, the team collaborates with contractors, design teams, and homeowners throughout Westchester County and surrounding areas.

What distinguishes Marcy Engineering is their ability to handle complex municipal filing and permitting work while delivering fully coordinated designs. Reviewers consistently mention their thorough site surveys, patient design iterations, and ability to produce clear, credible documentation. The firm tackles unusual challenges including exhaust system rerouting, window infilling for commercial buildings, and HVAC solutions for historic older homes requiring specialized approaches.

Customer stories reveal hands-on involvement from team members. A reviewer described how the principle and design associate made two visits to diagnose problems in a 100-year-old home, producing a proper design for aging in place. Another client appreciated the team's willingness to go the extra mile on a small complicated project, from detailed site survey through multiple rounds of design to final bid drawings. A commercial project involved redirecting exhaust systems from second-floor furnace rooms up through the third floor and out the roof, receiving municipal approval and a Certificate of Compliance upon completion.