1. No cold bridge design No cold bridge is realized with Italy design, eliminates the potentiality of decoration damage caused by condensed water.   

 2. Low air leakage ratio The contact is close between panel and mazelike aluminum frame with the sealing strip, the air leakage ratio is almost zero.

3. Good insulation performance The panel is made of polyurethane or polystyrene of 30mm thickness, with exterior and interior steel panel of 0.4mm. It's has good insulation performance and no condensed water in any ambient condition.

4. Variable air flow adjustment Optional variable air flow adjustment for better comfortableness and energy saving.

5. Low noise Adopts good quality forward DI curved centrifugal fan motor that passed strict dynamic and static balance test,   operation is stable and noise is low. Fan motor bearing is concealed maintenance free ball bearing.   

6. Easy to assemble or dismantle VAH series uses aluminum frame structure and plug in aluminum cast corner, has good mechanical strength, light weight and corrosion durable, it's easy to assemble or dismantle at site.

7. The washable preliminary filter is of G4 type, made of good nylon material.

8. The coil is designed by CAD/Coil software, made of copper tube and aluminum fin, has good heat exchange performance and less air resistance with large fin space.    

9. Specially made dry drain pan, it's slightly inclined to the drain pipe side, no water accumulated on it, keeps clean environment. The drain pan surface is plastic sprayed, and insulated with high magnification expanded polystyrene, no worry about condensed water or water leakage.