"We designed the Altivar 21 drive to be the ideal solution for OEMs or panel builders who are seeking an economical, easy-to-use drive with wide functionality in a small footprint required for space-sensitive pump and fan applications," says David Landry, senior drives product manager for the vendor. "The Altivar 21 drive meets the market demand for a quality drive for those less demanding HVAC applications, such as heating and cooling supply fans, intake and exhaust ventilation fans, cooling tower fans, chilled and hot water supply pumps, cooling tower pumps and fountain pumping." The Altivar 21 boasts a compact footprint, allowing side-by-side mounting to save panel space. It offers up to 40 HP at 240V and up to 100 HP at 480V.