Johnstone Supply is a premier HVAC/R wholesaler dedicated to providing industry leading products, services and solutions to contractors throughout New Jersey and Staten Island, NY. Committed to being More Than A Supply House, Johnstone helps build stronger HVAC/R businesses through innovative solutions, contractor training and the largest selection of HVAC/R products in the industry. Bob and Bud Zimmermann opened Johnstone Supply of Kenilworth in May 1987. Initially, a staff of four worked the counter, warehouse and office. The staff has grown throughout the years to over 150 employees that share the same values Bob and Bud instilled in the very first employees over 30 years ago. Today we have 9 branch locations dedicated to providing products, knowledge and services to our contractor/industrial customer base throughout New Jersey and Staten Island, NY.