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batalto
@batalto
Member
Noble Member
Joined: Apr 9, 2021
Last seen: Nov 3, 2025
Profile Activity
Topics: 24 / Replies: 1068
AllTopicsReplies
Reply
RE: ASHP at cold temperatures

@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.

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP in Hampshire

@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...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP at cold temperatures

@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...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP in Hampshire

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...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Army Housing- Ecodan with UFH efficiency?

@calzo21 if the upstairs is cold - have you tried adjusting the mixing value to add less colder water in?

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Cosy Octopus - New ASHP tarrif

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...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan not good enough ?

@goody you do have a low loss header - straight from your schematic

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Effects of Low Loss Header (LLH) removal - Initial findings

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...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Effects of Low Loss Header (LLH) removal - Initial findings

@chrislay I'm not sure who is that way. Maybe @heatcol?

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: A beginner's journey into DIY home energy storage - no solar!

@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 ...

4 years ago
Forum
Energy Storage
Reply
RE: Effects of Low Loss Header (LLH) removal - Initial findings

@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...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: A beginner's journey into DIY home energy storage - no solar!

@benguela no worries. I've got two Sofar ME3000SP inverters. But I'll also be selling those to upgrade to 100amp charging/discharge inverters.

4 years ago
Forum
Energy Storage
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