These compact wall-mounted hydronic (water-cooled / water-heated) air handlers are ideal for replacing aging condo and apartment air handlers, as well as for new construction. With well-insulated, low air-leak, galvanized steel cabinets, these are design for efficient operation over a very long time. The blowers have multi-speed ECM motors for a wide range of air velocity and effective capacity. All units come with default electric heat kits, and offer a few different heat kit capacity options. These units come with our standard, 1 year limited warranty, and industry leading support!