Donnelly Mechanical

Donnelly Mechanical is a premier commercial HVAC contractor serving New York City. With over 30 years of experience, the company has built a reputation for providing innovative and reliable HVAC solutions to its distinguished clientele. Donnelly Mechanical's core services include HVAC preventive maintenance, commercial HVAC service and repair, equipment replacements and upgrades, new commercial construction, and indoor air quality solutions. The company specializes in serving industrial, commercial, and institutional clients across a variety of sectors, bringing expertise in advanced HVAC systems and technologies. Based in Queens Village, New York, Donnelly Mechanical serves clients throughout the New York City metropolitan area. With a team of over 200 employees, the company has the resources to handle projects ranging from local HVAC upgrades to large-scale, multi-site construction initiatives. Donnelly Mechanical is committed to employing skilled, union tradespeople as a signatory contractor with the Sheet Metal Workers' International Association Local 28. The company holds numerous certifications, including NEBB, NADCA, and SMACNA, and is licensed in multiple states. Donnelly Mechanical's commitment to safety is demonstrated by its OSHA VPP Star site status and comprehensive health and safety programs. The company has completed notable projects for prestigious clients in New York City's most prominent buildings. With over three decades of experience, Donnelly Mechanical has the expertise to deliver reliable, high-quality HVAC services that maximize efficiency, improve indoor air quality, and ensure comfort for building occupants. The company offers tailored preventive maintenance agreements and turn-key project solutions to help commercial clients get the most value from their HVAC investments. For premier commercial HVAC services in New York City, contact Donnelly Mechanical to discuss your next project.