Greenheck’s eCAPS Engineer Application Suite now includes fans and louvers. As a free online product selection program, eCAPS allows engineers to compare multiple models of HVAC market equipment simultaneously. The update now includes 75 louver models that are ranked on velocity, free area, volume, water-rejection rating and pressure drop. The update also includes more than 10,000 fan models with reviews based on performance, sound levels, operating costs or first costs. The program works on iPads, tablets and computers, and can be accessed at ecaps.greenheck.com.