Our aroma systems can be installed in 3 different ways: Connected directly to your HVAC system via a special pipe included in the original packaging to utilize the airflow in your ducts Wall-mounted using the parts included in the original packaging As a stand-alone or portable unit placed on the floor. (The TMS F1 can also be used in your vehicle’s car cup holder.) Refer to our Aroma Diffusers page for model-specific information. Note: Please make sure that you have an electrical outlet wherever you decide to place the system!