Alton Seasonal Make-Up Air Unit
The Alton 3SMU Series is available with control options for 3 Seasons to meet those applications requiring heating and ventilation only. The 4SMU Series has control options for 4 Seasons to meet those applications with heating, ventilation, and cooling requirements with CW, DX and direct evaporative cooling options. The evaporative cooling options are the efficient way to cool .at 1/5 the operating cost of mechanical air conditioning. Capacities up to 13,000 CFM are available and indirect fired heaters with input capacities from 250,000 to 1,200,000 BTUH.