Head-Power Brand heat recovery recuperator ventilators Brief introduction: 1. Flexible combination:cooling, heating, filtering, humidifying, heat recovery 2. Double-skin panel, galvanized steel sheet with 30mm/50mm thick insulation. 3. Aluminium alloy frame work 4. HVAC system units includes: air handling unit, air handler, air ventilation unit, fan coil unit of cihlled water type, DX type and water cooled type.