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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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Latest Posts
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RE: How will removing the standing charge on gas bills benefit heat pumps?
I'm not sure it makes much of a difference to heat-pump...
By Temperature_Gradient , 7 hours ago
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@editor Ouch, sorry to re start the tick. I had assume...
By DavidB , 8 hours ago
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RE: Say hello and introduce yourself
@e-a-west as the good Major said, welcome to the forums...
By Mars , 9 hours ago
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RE: New Build 3 Phase or 1Phase
We are on three phase power because it's an enormous li...
By EtchedPixels , 10 hours ago
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RE: How much of your renewable and home setup would still work if the internet went down?
Yes I actually have a copy of a tool that whenever a ce...
By EtchedPixels , 18 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
@editor Hi, To resolve this, please tap on the A...
By Indevolt Tech , 1 day ago
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RE: Double or Triple Glazed Windows?
Posted by: @singlespeed With 9 years repairing windo...
By Rob of York , 2 days ago
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@transparent we’re still running a secure version of PH...
By Mars , 2 days ago
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RE: How quickly would you want/expect heat recovery to take from setback?
Much longer than that here. The heating isn't even on. ...
By bobflux , 3 days ago
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RE: Passiv Smart Thermostat - Help & Forum Support
Obviously the weather is changeable but there's a defin...
By Singlespeed , 3 days ago
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@rob-of-york I must admit that when we had a Daikin hea...
By Toodles , 3 days ago
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RE: Forum updates, announcements & issues
Get the Renewable Heating Hub heads-up on WhatsApp. I...
By Mars , 3 days ago
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RE: Safety study for plug in batteries out to tender - looks like Q3 2027 at best before legal
@editor I pointed out to the one of the Fuse execs that...
By dansus , 3 days ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews As well as loft insulation, there are othe...
By Rob of York , 3 days ago
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