Potocki Heating and Air Sales and Service covers Northern Illinois and Northwest Indiana. When it comes to experience Michael Potocki, President of Potocki Heating and Air, along with his team has ample amounts. Michael has been in the HVAC industry since 1984. He has lead Potocki Heating and Air since 1998. Potocki acquired Arkay Heating and Sheet Metal which has been family owned and operated since the 1940s. There has been a Potocki working or owning it since 1950! We serve residential, commercial, commercial restaurants, and light industrial.