The invention relates to a control adapter for fastening on a HVAC device (3), comprising: a wireless communication interface (11) for communicating control signals between a remote control device (2) and the control adapter (1); a wireless near-field communication interface (12) for communicating control signals between the control adapter (1) and the HVAC device (3); a control circuit (13) for converting the control signals received from the wireless communication interface (11) into control signals of the wireless near-field communication interface (12) and for converting the control signals received from the wireless near-field communication interface (12) into control signals of the wireless communication interface (11).
