LPG boiler upgrade wanted

Looking to upgrade our LPG boiler to a more efficient model in South West England

Published: Saturday, Mar 23, 2024 Last modified: Monday, Jul 15, 2024

Baxi 428 LPG Combi EPH Controls

Our Baxi 428 LPG Combi chews through 47kg LPG gas bottles on a weekly basis during winter that cost us about 88GBP:

LPG bottles


We are interesting in OpenTherm, since the current system is just on/off until it reaches the desired temperature where the control sits:

House controls

Ideally it also plays nice with Home Assistant.

Heat pump

We are also keen on heat pump technology, especially the new R290 variants. This is for our cottage which is not grade 2 listed, unlike the main house.