De Sesa Engineering Co.

De Sesa Engineering Co. is a union HVAC contractor established in 1946 and based in Livingston, New Jersey. As a signatory contractor with the International Association of Sheet Metal, Air, Rail and Transportation Workers (SMART) Local 25, the company employs skilled union tradespeople committed to quality and safety. De Sesa Engineering's core services include HVAC design, installation, repair, and maintenance. The company specializes in HVAC systems for commercial, healthcare, industrial, and institutional facilities, bringing expertise in advanced equipment and techniques. De Sesa serves clients throughout New Jersey, leveraging their decades of experience to handle projects ranging from local renovations to large-scale industrial facilities. In addition to HVAC, De Sesa offers general construction management services. The company holds relevant licenses and certifications, demonstrating a commitment to safety and quality. With a team of over 40 professionals, De Sesa Engineering has the resources to support projects of all sizes. For reliable HVAC services in New Jersey, De Sesa Engineering Co. offers union expertise, quality workmanship, and a proven track record spanning over 75 years in business. Contact them to discuss your next HVAC or construction project.