AT Mechanical LLC

AT Mechanical is a union HVAC and mechanical contractor serving the Chicagoland area. As a signatory contractor with the Chicago Pipefitters Local 597 and the Chicago Sheet Metal Workers' International Association, the company employs skilled union tradespeople committed to quality and safety. With over 15 years of experience in the construction industry, AT Mechanical has built a reputation for innovative solutions and customer satisfaction. The company's core services include HVAC system installation and service, plumbing, sheet metal fabrication, and preventive maintenance. AT Mechanical specializes in commercial and industrial projects, serving clients across the healthcare, manufacturing, and education sectors. Their experienced team brings expertise in design-build construction, energy-efficient systems, and complex retrofits. Based in Melrose Park, Illinois, AT Mechanical serves clients throughout the greater Chicago metropolitan area. The company operates from its 40,000 square foot headquarters and has additional crews stationed across the region to support projects of all sizes, from local renovations to multi-state industrial facilities. AT Mechanical holds numerous industry certifications, including HVAC and plumbing licenses in Illinois. With a bonding capacity of $15 million, the company is equipped to handle large-scale projects. Their strong safety record is demonstrated by OSHA training and comprehensive on-site programs. Notable work includes HVAC system upgrades for Northwestern University, chiller replacements at several Chicagoland hospitals, and mechanical system installations for large industrial facilities. With a team of over 150 professionals, AT Mechanical has the resources to deliver successful projects ranging from small tenant improvements to complex new construction. For HVAC, plumbing, and sheet metal services in the Chicagoland area, AT Mechanical offers a reliable, union-skilled workforce and innovative solutions tailored to each customer's needs. Contact them to discuss your next commercial or industrial project.