J Synergy Green, Inc.

J Synergy Green, Inc. operates as a general contractor based in East Rockaway, New York, serving clients throughout New York State. The company holds a 4.9-star rating from 77 customer reviews, reflecting consistent quality in residential construction and energy efficiency projects. Their service menu spans roofing, solar energy systems, insulation upgrades, HVAC installation, windows, and appliances, positioning them as a comprehensive home performance contractor for Long Island homeowners.

The contractor distinguishes itself through integrated energy solutions that combine multiple upgrades under single project management. Their financing access encompasses federal, state, and local utility funding programs, with documented approval of over $19 million in construction jobs across 750 projects in the past three years. The company conducts comprehensive home energy surveys to diagnose air flow, appliance efficiency, and system performance before recommending upgrades. This diagnostic-first approach enables them to complete most construction work within three days while helping homeowners access available rebates and incentive programs.

Customer reviews highlight specific technicians who delivered exceptional service. One reviewer praised Effie for resolving a heating issue where the house failed to reach proper temperature during 10-degree weather, describing the work as professional, neat, and efficient with even heating achieved throughout the home. Another customer appreciated Joe and the electrical team for seamless handling of roofing and solar power needs, while Zi assisted with transparent project pricing including rebates and out-of-pocket figures. A third reviewer noted the team's responsiveness in installing critter guards, cleaning bird debris left by a previous installer, and obtaining warranty parts to restore full system functionality.