The main function of THC Series Energy Recovery Ventilation
 External Galvanized metal sheet and Internal EPS unit structure.
 Higher efficiency with 3rd generation enthalpy exchanger, heat recovery efficiency up to 76%.
 Sub-HEPA F9 filter integrated optional.
 Bottom access for easy maintenance.
 By-pass function.
 Optional: CO2 and humidity sensors function, auxiliary electric heating port.
 

Holtop manufacturing headquarter is located at the foot of Beijing Baiwangshan Mountain, covering area of 30,000 square meters. The manufacturing base is in Beijing's Badaling Economic Development Zone, covering an area of 60 acres, with an annual production capacity of 200,000 units of air heat recovery equipments.