Thermostat - search

Hi All,

I am looking for a thermostat around you know 40 bucks or less ?

Why I am posting here ?

Well I was looking on all the usual places where you can buy smart / cheap thermostats but I need a feature I simply cant find on them.

Which feature ?

  • cooling, input; dry contact
  • nightmode, inpu; dry contact

Simply put my heatpump can switch all (6) thermostats into cooling mode or night mode.

In my search I went even the DIY option:


(the blue screw terminal is the input for cooling as a test)

But it still feels like reinventing the wheel here…

So before I go any further with this. Does any one know

  • a diy project for a thermostat that i could adjust for 2 inputs
  • a off the shelf thermostat that is “smart” (it only needs to return temp / huymidity)

Thanks in advance!

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