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Budgeting heat output

Community Member

What would the difference be to heating the house when radiator valves are fully open compared to when they are only opened partially when using the nest thermostat in eco mode?


Would it make much difference to how many times heat comes on? Is this a good budgeting strategy? 


Community Specialist
Community Specialist

Hi Adaleine,


Thanks for posting and sorry for the delay.


Google Nest thermostats, namely Nest Learning Thermostat (all generations) and Nest Thermostat E, work alongside your existing radiator valves to help you stay comfortable and save energy. Nest thermostats are compatible with various radiator valve types, including Smart thermostatic radiator valves (Smart TRVs).


Your Nest thermostat controls whether the hot water flows to your radiator, and your radiator valve controls the pressure. Once you adjust your radiator valves to your preference, you can use your Nest thermostat to control the temperature so you don’t have to adjust your valves often. Note that when your radiator valve is closed, hot water doesn’t flow through your radiator. 


Check this link for more details.




Hey there Adaleine,

Checking back in should you still have some questions here. Let us know by replying to this thread. 


Community Specialist
Community Specialist

Hi everyone,


@Adaleine just one quick final check in here since activity has slowed down. We'll be locking the thread in the next 24 hours, but if you still need help, I would be happy to keep it open. If there's more we can do, just let me know.


I appreciate your response, Mel.