Johnstone Supply is the top cooperative wholesale distributor in the country and a recognized national leader in the HVAC/R industry, with regional distribution centers based in 18 locations throughout Washington, Oregon, California, Idaho, and Utah. Johnstone upholds unbeatable values: service, support, product expertise, and competitive pricing. Our regional network ensures swift product availability and delivery, while ongoing enhancements in distribution and operations guarantee nationwide contractor support. Our customers benefit from superior customer service, technical guidance, and an industry-leading catalog with over 50,000 quality parts and equipment.