Energy is saved by exchanging heat between fresh air and exhaust air without mixing them. Fresh air and exhaust air remain in separate systems.
Electric heaters are generally used for units which has constant flow. It has staged structure and should be provided with safety thermostat.
Inlet frame of this module, which holds on the nozzles, is made from stainless steel. Dimensions can vary upon desired design conditions.
Silencers are designed with respect to sound absorption levels that are placed in this module.
They are used for adjusting air flow rate by increasing/decreasing total pressure. They are manufactured with galvanized frames.