From Newsgroup: uk.d-i-y

On Wed, 01 Oct 2025 10:35:04 +0000, Jethro_uk wrote:

On Tue, 30 Sep 2025 09:30:17 +0100, Theo wrote:

Andy Burns <usenet@andyburns.uk> wrote:

Indy Jess John wrote:

The TRVs I fitted (quite a while ago) are labelled Danfoss
Thermostatic and they gradually reduce the flow as the room
approached the target temperature the TRV is set to.

Isn't the gradual reduction just how the "wax motors" work, presumably
the battery powered wifi TRVs work differently (worm screw bearing
down on the valve maybe?)

Yes, the 'smart' TRVs I had were a motor to screw down the pin on the
valve.
You could hear them opening and closing. But AFAIK they didn't do
proportional control to open the valve just a little bit if you are
close to the target temperature. That's something inherent in how the
non-smart wax ones operate, and I was wondering if some smart TRVs did
it too.

The magic source of smart shit is the ability to superimpose that
feature via something like HomeAssistant, which is capable of creating
very complex actions based on inputs.

And if that is too extreme, Google Home has automations available which
can be chained to create some quite complex routines.

remote opening curtains may seem like a frippery, until you have a
bedbound partner who can control them (and lights and switches) by
voice.

source ? sauce :)
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