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I recently moved into an older house that has radiators in each room controlled by a TRV. The heating system is natural gas fueled and is fairly new having been installed in the last couple years -- my area has only recently had natural gas introduced. However, it's been quite an adjustment having to control the heat on each individual radiator after having an Ecobee thermostat with the oil system at my old house, and before that just a simple programmable thermostat to set the heat down at night, and bring it up in the morning. Even the initial adjustment to knowing what "3" even means on the TRVs has been a fun new experience.
Does anyone know of any systems sold in the US that can be used so I can program a schedule for the radiatiors, or better yet, would allow for some remote control, say from an app. I see a lot of european options (like the Danfoss LC13 or the Eve Themro), but almost every TRV I see sold in the states is what I will call bare-bones manual. It appears that Oventrop may sell their R-Tronic units in the states -- but I can't find where to order or even check prices on those. Anyway, thanks for any leads.