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AndrewJ
@andrewj
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Estimable Member
Joined: Jan 8, 2025
Last seen: May 29, 2025
Profile Activity
Topics: 6 / Replies: 39
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RE: Discharging battery to grid whilst charging EV

@majordennisbloodnok I should probably clarify: I wasn't expecting that it would charge at 7kW and simultaneously export 3.6 for payment just not inte...

2 weeks ago
Forum
Energy Storage
Topic
Discharging battery to grid whilst charging EV
2 weeks ago
Forum
Energy Storage
Replies: 4
Views: 111
Reply
RE: Octopus design temperatures confusion

It seems SC = K1 = Type 11 and DC = K2 =1 = Type 22

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Octopus design temperatures confusion

@pie_eater that’s good to know at least. Obviously every house is different and 13 radiators are being changed in mine. It’s a Finnish timber framed ...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Octopus design temperatures confusion

@rob_cirrus_energy If I could perhaps summarise that to see if I understand correctly. Let's say I have a house with 3 rooms. If I were to calculate...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Octopus design temperatures confusion

Do you know how single/double convector relates to Type 21 or Type 22? Does that relate to SC and DC respectively - sounds feasible?

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Octopus design temperatures confusion

They've designed for 50c at -3.4. If you could interpret something like "Centre 60DC120" and "Centre 45SC90" for me I can do a radiator comparison - ...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Octopus design temperatures confusion
4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 13
Views: 787
Reply
RE: R290 install location and future of R32

@simonwhiteley I don't know what to say: I don't think <1KG propane is really an issue given the propensity of BBQ canisters on people's patios. T...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: R290 install location and future of R32

Windows that are higher than the heat pump seem ok. Drains don't seem to be a concern. Windows and doorways within the clearance area do seem to be ...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Roughly confirming ASHP sizing using existing heat data

@jamespa That's a good job James. I expect many people won't go to that level though and just scratch their head over why their billed usage / 2900 d...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Roughly confirming ASHP sizing using existing heat data

I guess my point is that you have to be careful with these estimates for confirmation as it could well lead to some false assumptions, e.g. my heat pu...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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