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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: Harvest Thermal - ASHP with a smart thermal battery
As its using ToU tarrifs then its totally believable so...
By JamesPa , 51 minutes ago
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Why do you want to maintain a specific deltaT? The out...
By JamesPa , 1 hour ago
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RE: Heat pump installation quotations
@batpred Excellent, thank you very much!
By sttpd1917 , 2 hours ago
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Hopefully this will answer your question. To...
By ASHP-BOBBA , 2 hours ago
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RE: Help me keep the faith with my air source heat pump installation
I would be interested to find out if others do this and...
By ASHP-BOBBA , 2 hours ago
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Don't you dare. You just carry on as you are; as @batpr...
By Majordennisbloodnok , 4 hours ago
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RE: Heat pump design review please: 5 kW Vaillant aroTHERM Plus heat pump
@ragtime27 some rooms in our house only have one place ...
By Judith , 4 hours ago
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@mkz, that's very helpful. Even if Urban Plumber are no...
By Majordennisbloodnok , 7 hours ago
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RE: Several AC coupled batteries
That is a good point, a manufacturers can stop trading,...
By Batpred , 7 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
Hi @hanno - good question. The range of hybrid invert...
By Transparent , 8 hours ago
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RE: GivEnergy inverter tripping due to over-voltage?
@transparent the inverter was installed in 2021 and afa...
By Tim441 , 8 hours ago
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RE: Say hello and introduce yourself
I hope so, @toodles. It's not often that we see a situa...
By Majordennisbloodnok , 12 hours ago
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RE: Electricity price predictions
Good point, I do expect the bonus of putting my energy ...
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RE: Daikin ESPAltherma and Home Assistant installation
@bash, something we haven't touched on already relates ...
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