The MiniVent-450 is the company's new model of energy recovery ventilator, designed to provide an economical solution for projects requiring 300 cfm to 500 cfm of outdoor air, with external static pressure up to 1-in. wg. It has a low profile design and is for interior installations only. The unit may be mounted on the floor or ceiling hung. Available accessories include intake and exhaust vents, speed control, motion detector, and isolator kits. The company says its product is an economical solution for individual spaces such as school classrooms and small offices.