I had a similar problem, fwiw I have an ecobee. I simply added an intermediary step an hour or two before the final temperature so the heatpump has a chance to go. There is also a threshold for auxiliary heat lock in the settings on the thermostat itself that doesn’t show up in the app which I increased which helped a lot.
I tried the intermediate step and even the minimum possible temperature increase of half a degree still triggers the bad behaviour. I can’t find any auxiliary heat lock setting. Maybe it’s in the service menu set by the HVAC installers? They set a password on that and won’t tell me what it is.
I had a similar problem, fwiw I have an ecobee. I simply added an intermediary step an hour or two before the final temperature so the heatpump has a chance to go. There is also a threshold for auxiliary heat lock in the settings on the thermostat itself that doesn’t show up in the app which I increased which helped a lot.
I tried the intermediate step and even the minimum possible temperature increase of half a degree still triggers the bad behaviour. I can’t find any auxiliary heat lock setting. Maybe it’s in the service menu set by the HVAC installers? They set a password on that and won’t tell me what it is.