About Us

Who We Are

Ryan Refrigeration has been the leader in the distribution of Mushroom cooling equipment through our AirMaster® branded equipment for the last 30 years. AirMaster mushroom cooling units are the choice of successful mushroom growers not only in the USA but several other foreign countries. Designed and built to handle the tough requirements of mushroom growers. Building off our success in the Mushroom industry, Ryan Refrigeration is pleased to offer our equipment to the Cannabis industry under the GrowMaster brand.  With unit sizes to accommodate any size Cannabis growing operation,  let us design a system that can meet your specific needs. 



Contact Us

GrowMaster Cannabis

215-852-4802 or Info@ryanrefrigeration.com