DQ5000 HVAC Aroma Scent Diffuser Machine is suitable for large commercial space, like shopping mall, hotel lobby, office building, pavilion, etc. Touch-screen control, with lock&key to prevent tampering from others.

HVAC scent machine S20 is suitable for 5,000 cbm space, metal shell, button-control, connect with HVAC system.

The aroma scent diffuser and bottle can be installed separated, for 5,000 cbm, with HVAC connection.

HVAC scent machine VS160 covers 5,000 - 15,000 cbm space with dual-system and two large bottle capacity.