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Wednesday, 25 November 2015

Multi Zone Heating System Using Danfoss Z-Wave TRV

Todays post is about how to create an even more efficient heating system with the use of Danfoss Z-Wave TRV (Thermostatic Radiator Valve)

In your typical home we have a single boiler with multiple radiators and a single thermostat controller which is usually located in the hallway. The biggest problem with this arrangement is that once the temperature has reached the set point in the hallway, that is when the heating will be triggered. This means that even if the rooms are heated up to the the required temperature but the hallway hasn’t, then the boiler will continue to run until the hallway has reached the set point.

We can add traditional TRV to help each room reach a set temperature and this then means the temperature is then normalized throughout the house. This helps to save energy as once the room reaches the desired temperature then the heat supply is shut off and diverted to where it is needed.

These traditional TRV are manually operated valves and once you have set the temperature setting then it will continue to work at that temperature. During a typical day the downstairs is occupied and upstairs is unoccupied. So if the heating is turned on then the whole house will receive the heat from the boiler and start warming up the whole house, so unfortunately the upstairs is also being heated when it is not required. This means wastage.

By adding the Danfoss TRV instead and including them into your Z-Wave home automation network we can program in a schedule setting and adjust the required temperature setting for the upstairs rooms to a lower value during the day and to a higher temperature for the evening as required. This means that we are not wasting energy by heating unwanted rooms of the house.


By adding the Danfoss Z-Wave TRV to each radiator we can create a simple multi zone heating system enabling greater control over the temperature of individual rooms within the home.

If you are interested in purchasing home automation products and services contact us for pricing and more details.

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