Hi! First time here. I am the happy owner of a Victron / Fronius / Pytes PV system. Now, I am looking for a heat pump to replace our gas based heating. For me, it is important to get a system by a manufacturer based in the EU. As far as I have learned, the best efficiency in a combined system woul…

And idea when that might happen?

3.80 will be in beta for a few more months, maybe September or November. Venus OS beta testing This sub-category is for Venus OS beta testing. Where an issue does not already exist, please post a new topic, detailing your envir…

Hi, You may want to have a look at “Weheat” heatpump. Entirely designed and produced in the Netherlands. However at this moment controlled by an App. It is certainly possible to control this heatpump via home assistant as intermediate platform

which sense do you see in that? I have a not small PV system, Victron and a heat pump The Heatpump is a Panasonic, through open source project Heishamon, everything is controllable But what should the Victron System control? If i have to heat i have to? There are small savings when you could “…

I have Daikin 3M heat pump and i measure power usage with a Shelly EM50. To control the heatpump in Home Assistent I use the Daikin Home Hub which provides SG Ready and Modbus/tcp. At least for me I don‘t need a full integration in Victron. Although a panel in VRM for the power usage would be great…

Lambda, which is from Austria, has the modbus registers documented on their website. No practical experience yet, as mine will be installed in a week’s time.

[image] EvSC: Hi, You may want to have a look at “Weheat” heatpump. Entirely designed and produced in the Netherlands. However at this moment controlled by an App. It is certainly possible to control this heatpump via home assistant as intermediate platform If there’s one thing you shouldn’…

Hello Hans, In my house all electrically powered devices including2 heatpumps are connected to the Victron AC Output, the battery has a capacity of 32 kwh (I could use more) They all operate stand alone, meaning they are not controlled by Victron; usually this not possible and is not necessary eit…

Thanks for all the good advice! I still would like to come back to may initial question regarding heat pump brands / manufacturers that support Modbus and writable registers. :upside_down_face: I had Nibe on my list, too, and I will look into Lambda, although they only reveal their partners via an …

Which heat pump brand works best with Cerbo GX?

DIY

DuivertNL (Marc) June 27, 2026, 6:43pm 10

I have a bosch 5800iaw with an ems esp (mqtt) and i use homeassistant with pv excess optimizer integration and it also controls the smart grid contact on the bosch, works really great

see:

i know nibe has an modbus module option

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Which heat pump brand works best with Cerbo GX?

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