An industry leader, Harsco Industrial Patterson-Kelley has been providing heat transfer solutions for over 125 years. Harsco serves the commercial heating industry with the best-known and most respected products in the field. Our specialized, high performance condensing boilers, non-condensing boilers and water heaters are known for quality, durability and value. We solve our customers’ most challenging requirements by applying worldwide expertise and unmatched resources to every project. Customers look to us for expert engineering support and in-depth understanding of their unique applications.