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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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Degrees of Separation
Latest Posts
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@toodles possibly. The £9k labour charge for 4-5 days w...
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RE: Plug and play solar. Thoughts?
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RE: Heat Geek mini store vs pump size
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By Tomtheheatingengineer , 19 hours ago
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RE: Who's your electricity provider and what's your tariff?
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@tomtheheatingengineer, thank you, and welcome to the f...
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
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By JamesPa , 1 day ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
There is scope for product development here. I for one...
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RE: Is the "divide by 2900" rule still valid?
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RE: The good, the bad and the not that great – my heat pump installation
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