Brun is a Canadian company specializing in the development and distribution of heating, ventilation, and air conditioning (HVAC) equipment. It operates within the building services and environmental control industry, providing solutions designed to improve climate control in residential, commercial, and industrial settings. The company offers a range of products intended for contractors, facility managers, and property owners seeking reliable HVAC systems. Brun focuses on supplying equipment that supports efficient temperature regulation and air quality management. Its services also include consultation and support related to system installation and maintenance.