Hive Home Heating network performance

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sophiecentaur
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I guess this post is mainly aimed at UK members because I think my particular query is about a particular product range.

I have a Hive Heating control system with 'smart' TRVs and a single radiator which is controlled by a wall thermostat. The system is controlled by a Hub with connection to my WiFi Router via ethernet. It's controlled by an iPhone App. It appears that communications with the TRVs and Thermostat is via the Hub.

'Apparently' there are two wireless networks involved; Bluetooth (for setting up) and Zigbee, for continual intercommunication round the network of Hive Devices. Setting it all up is a dreary task because there's a terrible time delay involved (many minutes at times). Hive claim that there's some clever optimisation involved to set the rad valve openings to the best opening. Paying for the installation process would be frustrating because the installer would be sitting around waiting for things to happen.

Why need it be sooo sloow? Clearly it uses low power (battery) and most devices are near the floor, etc... Are there any fellow users in the UK with experience of or an opinion? Zigbee, I now find, is a well known protocol and I may already have gear with Zigbee without knowing.
 
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