Experience the ultimate in home fragrance with our Luxury Medium Hvac Diffuser. Perfect for complete home or small business use, our diffuser uses waterless/heatless oils-cold-air diffusion technology to convert fragrance oils into a dry mist, leaving behind no residue. Enjoy a clean and efficient scent experience. This diffuser simply hooks into your hvac unit misting dry mist through the air turning any home or small business into the ultimate fragrance experience. Can connect to Hvac system to disperse through out your ventilation system. Waterless/heatless oils-cold-air diffusion technology converts fragrance oils into a dry mist without the use of heat or water Residue Free Safe for pets and Children Covers: 3000 sq/ft Size: W 11.60" x D 6.37 " x H 15.74" Weight: 8 lbs Capacity 1200 ml Wifi app capability and touchscreen display (no remote control) Customizable fragrance intensity