An environment control device (100, 510, 520, 530, 540) for use in a daisy-chained communication configuration, comprising: an input for receiving an input signal having an input frequency from a preceding device in the daisy-chained communication configuration; an electronic circuit for generating an output signal having an output frequency different and based on the input frequency; an output for outputting the output signal to a following device in the daisy-chained communication configuration; and a processing unit (120, 532) for determining the address of said environment control device based on the input frequency of the input signal; and a communication module (110, 550) comprising: a Wi-Fi hotspot functionality (112, 552) for establishing a Wi-Fi hotspot at the environment control device (100, 510, 520, 530, 540); and a daisy-chain communication functionality for communicating over a daisy-chain network using the determined address; the communication module (110, 550) providing for exchanging environmental data with at least another environment control device (100, 510, 520, 530, 540) over one of the Wi-Fi hotspot (10, 11,710) or the daisy-chain network, the communication module (1 10, 550) providing for receiving upstream Internet data from at least one user terminal over the Wi-Fi hotspot (10, 11,110) and forwarding the upstream Internet data to another environment control device over the daisy-chain network, and the communication module (110, 550) providing for receiving downstream Internet data from another environment control device (100, 510, 520, S30, S4O) over the daisy-chain network and forwarding the downstream Internet data to the at least one user terminal over the wi-Fi hotspot (10, 1 1,720). an input for receiving an input signal having an input frequency from a preceding device in the daisy-chained communication configuration; an electronic circuit for generating an output signal having an output frequency different and based on the input frequency; an output for outputting the output signal to a following device in the daisy-chained communication configuration; and a processing unit (120, 532) for determining the address of said environment control device based on the input frequency of the input signal; and a communication module (110, 550) comprising: a Wi-Fi hotspot functionality (112, 552) for establishing a Wi-Fi hotspot at the environment control device (100, 510, 520, 530, 540); and a daisy-chain communication functionality for communicating over a daisy-chain network using the determined address; the communication module (110, 550) providing for exchanging environmental data with at least another environment control device (100, 510, 520, 530, 540) over one of the Wi-Fi hotspot (10, 11,710) or the daisy-chain network, the communication module (1 10, 550) providing for receiving upstream Internet data from at least one user terminal over the Wi-Fi hotspot (10, 11,110) and forwarding the upstream Internet data to another environment control device over the daisy-chain network, and the communication module (110, 550) providing for receiving downstream Internet data from another environment control device (100, 510, 520, S30, S4O) over the daisy-chain network and forwarding the downstream Internet data to the at least one user terminal over the wi-Fi hotspot (10, 1 1,720). a Wi-Fi hotspot functionality (112, 552) for establishing a Wi-Fi hotspot at the environment control device (100, 510, 520, 530, 540); and a daisy-chain communication functionality for communicating over a daisy-chain network using the determined address; the communication module (110, 550) providing for exchanging environmental data with at least another environment control device (100, 510, 520, 530, 540) over one of the Wi-Fi hotspot (10, 11,710) or the daisy-chain network, the communication module (1 10, 550) providing for receiving upstream Internet data from at least one user terminal over the Wi-Fi hotspot (10, 11,110) and forwarding the upstream Internet data to another environment control device over the daisy-chain network, and the communication module (110, 550) providing for receiving downstream Internet data from another environment control device (100, 510, 520, S30, S4O) over the daisy-chain network and forwarding the downstream Internet data to the at least one user terminal over the wi-Fi hotspot (10, 1 1,720).