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Getting the best out of a heat pump - is Homely a possible answer?

 
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Air Source Heat Pumps (ASHPs)
Last Post by Tim441 2 months ago
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 Tim441
(@tim441)
Prominent Member Contributor
Joined: 2 years ago
Posts: 281
12/02/2025 2:34 pm  

This is now a very long thread. Not sure I've got the will to read it all as I guess some is overtaken with updates and changes.

I've been offered an opportunity to have a Homely installed free via the Energy Sure Project.

Sounds good but I'm less keen on having to move to Tomato as part of the deal. Having just moved to IOG which seems to be working very well - offering me additional day slots at 7p the early results look like I might get an ave near 10p since changing.

A move will also lose my octopus outgoing 15p

I'm checking my kit suits but seems LG is now supported

ASHP: LG Therma v 16kw. Using weather compensation with reasonable outcome.

Batteries: 3 x 8.2kw Gen1 GivEnergy

Inverter: 5kw Gen1 Hybrid GivEnergy

Pv solar: 6kw + further 2kw older system with Solaredge inverter

EV & zappi

Any special comments or suggestions on making a decision?

Listed Grade 2 building with large modern extension.
LG Therma V 16kw ASHP
Underfloor heating + Rads
8kw pv solar
3 x 8.2kw GivEnergy batteries
1 x GivEnergy Gen1 hybrid 5.0kw inverter
Manual changeover EPS
MG4 EV


   
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 Potatoman
(@potatoman)
Estimable Member Member
Joined: 1 year ago
Posts: 53
12/02/2025 4:21 pm  

@tim441 not sure Homely is compatible with all LG heat pumps,  how old is it and has yours got a modbus connection


   
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 Tim441
(@tim441)
Prominent Member Contributor
Joined: 2 years ago
Posts: 281
12/02/2025 4:28 pm  

Model HM161MU33 installed 2020

Controller software 3.05.5a

Not sure what's available via modbus. Will try and find out - thanks for input!

Listed Grade 2 building with large modern extension.
LG Therma V 16kw ASHP
Underfloor heating + Rads
8kw pv solar
3 x 8.2kw GivEnergy batteries
1 x GivEnergy Gen1 hybrid 5.0kw inverter
Manual changeover EPS
MG4 EV


   
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