Leo Kob Co.

Leo Kob Co. has been a trusted mechanical contractor in South Central Pennsylvania since 1904, providing plumbing, heating, cooling, and electrical services to residential and commercial clients. As a family-owned business for over 120 years, we prioritize honest work, quality craftsmanship, and transparent pricing. Our team of licensed technicians combines decades of experience with a commitment to energy efficiency and customer satisfaction. We serve communities in Lancaster, Lebanon, York, and Harrisburg, offering comprehensive solutions from routine maintenance to large-scale installations. Our history of innovation includes expanding into HVAC services in 1977 and electrical and excavation services in recent decades.

With a focus on community trust, we maintain memberships in industry organizations like the Keystone Chapter of Associated Builders and Contractors. Our on-site corporate offices, warehouse, and fleet ensure prompt, reliable service delivery. We emphasize preventative maintenance, upfront pricing, and tailored solutions for every project. Our expertise spans mini-split systems, heat pumps, central AC, combi-boilers, gas and oil furnaces, and specialized mechanical projects. Backed by 120 years of craftsmanship, we remain dedicated to evolving with industry advancements while upholding our core values.