VariTrane® variable-air-volume (VAV) units lead the industry in quality and reliability and are designed to meet the specific needs of today’s applications. VariTrane low-height fan-powered terminal units are specifically designed for the applications where available height is restricted. The compact height design does not negatively influence the valuable features. These terminal units reduce energy use and operating costs with Electronically Commutated Motor (ECM) and modulating airflow control algorithms. Additionally, VariTrane low-height fan-powered terminal units are universally handed and optionally equipped with factory mounted and commissioned unit controllers, which reduce installation effort and startup time. This generation of VariTrane units builds upon history and expands the products into the most complete VAV offering in the industry.

Low-height parallel fan-powered units provide the benefit of a 10.5 inches casing height and offer energy savings due to intermittent fan control. The fan energizes only in heating mode when space needs heat. When energized, the fan can be controlled for constant-speed or variable-speed operation. Additional energy savings are obtained by using warm plenum air for free reheat. Motor heat is never wasted in parallel units. They are an excellent choice when plenum spaces are tight and minimal zone heating is needed.

Low-height series fan-powered units provide the benefit of a 10.5 and 12 inches casing height. The fan in series of fan-powered units is always energized in occupied mode. When energized, the fan can be controlled for constant-speed or variable-speed operation. They are common in applications such as conference rooms, cafeterias, etc., that desire higher supply airflow rates at all conditions.