Professionals who design, specify, operate, and maintain HVAC and building-automation and control systems for commercial, industrial, and institutional buildings turn to HPAC Engineering for how-to features, insight, industry exclusive reports and the latest products and technologies. The mission of HPAC Engineering is to provide the latest trends, techniques and product information to heating, piping and air conditioning professionals to help them improve the comfort, health, safety, security, and efficiency of non-residential buildings.