The HHT Series horizontal package unit provides forced air heating, cooling, and supplemental hot water production all in one convient package. This series features an air tight, foam insulated cabinet, foam encapsulated coaxial heat exchanger and is available in capacities spanning 2 through 5 nominal tons in left or right return and end or side discharge configurations. Options include desuperheater, cupronickel coaxial coil, internally mounted emergency strip heaters. This unit is the perfect solution to heating and air conditioning situations where the system must be placed in a crawl space or attic and ceiling height is a limiting factor.