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Last seen: Nov 3, 2025
@huwsy its just the humidity that will get you. Only thing you can do is tweak down the flow temps so the unit doesn't freeze as often.
@bob77 I used 1.8MW which is my highest use - ever. But that includes all the power in the house too. The ASHP has never been so cold. Last year I was...
@cathoderay once you get below -5 there is no moisture in the air so you get substantially less defrosting - nothing to freeze. I used to live in Finl...
Nov 21 - Dec 21st bill is in and the damage is... £450. I averaged 22.94p/kWh using a mix of solar and batteries. Interesting is was basically a 50/50...
@calzo21 if the upstairs is cold - have you tried adjusting the mixing value to add less colder water in?
100% with Cosy I could come off peak power - Only on a very coldest of days would it be an issue. You get 6hrs a day to use and fill at the cheap rate...
@goody you do have a low loss header - straight from your schematic
Small update on the findings from the data My calcs say that the days at 1 and 2 degrees were about 25% and 20% more efficient without the LLH. Ho...
@chrislay I'm not sure who is that way. Maybe @heatcol?
@benguela as an FYI I thought you'd be interested to know my system is the same as the one your proposing My batteries are charged house side and ...
@chrislay I just took the punt I didn't need the LLH and straight piped the connection with ball valves - that way if I ever need to put it back, I ca...
@benguela no worries. I've got two Sofar ME3000SP inverters. But I'll also be selling those to upgrade to 100amp charging/discharge inverters.
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RE: Heat Pump Overpromising – What Were You Actually Told Before You Bought?
@mars I have been thinking about your questions and obs...
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RE: Heat Pump Manufacturers Recommending Buffer Tanks
@tony-stolz, I think @jamespa has already covered the h...
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RE: How many people are happy with their ASHP and do you believe them?
Good luck, I spent a couple of hours and, whilst I foun...
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RE: Heat Pump Operation in Summer - Valliant 7kW
I do the same: cool my large buffer (3000L) to 10C, pum...
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@editor "The interesting bit is that many modern invert...
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
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Mentally you have to separate the ac side and the DC si...
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RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
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RE: Indevolt Batteries UK Support & Info Thread
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Hard to tell but I think I have placed the arrow on wha...
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