Founded in 1880,
Patterson-Kelley has evolved and grown to represent a trusted leadership
position in the commercial HVAC industry. Offering condensing and
non-condensing boilers, water-heaters, and state of the art controls, PK
equipment has been designed and assembled in the United States for over 140
years. PK offers a wide range of solutions and choice in heat exchangers with
aluminum, copper, steam, and stainless-steel ranging from 300 MBTU up to 4000
MBTU.