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Standards Development
The scope is focused on all building automation devices that need to be supplied with energy to fulfil their task. This also explicitly includes battery power and energy harvesting. This standard is about the CO2 footprint “CradletoCradle”. The devices in building automation differ in a few types. There are types of devices such as sensors that have a linear energy consumption as soon as they are in operation. But there are also devices such as drives for valves, fans, or dampers whose own consumption depends very much on the weather conditions and the quality of the control.
There is a growing need to know and document the CO2 footprint of a device upon delivery of the device. This CO2 footprint is then needed by customers for various purposes. There are currently standards that describe how to create an LCA (Life Cycle Assessment) and how to generate an EPD (Environmental Product Declaration) from it. What is missing is a uniform method for calculating the CO2 footprint that a device manufacturer can refer to. This lack of a standard poses the risk that manufacturers will use different approaches and that the CO2 footprint will not be comparable between products of different manufacturers. For a holistic view of the building and in particular the automation systems for HVAC, lighting, sun protection and air conditioning in the room, the basis for planning is the CO2 footprint of the individual devices.
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