thanks, @vulcancontinental. Is switching to Opentherm worth it at all? Do you think there is something I can check or change in the settings that would improve things without opentherm?
Hi all,
I had a new Viessmann Vitodens 100-w boiler (the new version) installed last year. The guy who was installing and commissioning it had never seen or commissioned this boiler before, so I guess he didn't do it in the most efficient way:
1. I've got Google Nest thermostat but it looks to...