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Tim441
@tim441
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Prominent Member
Joined: Nov 1, 2022
Last seen: May 20, 2025
Profile Activity
Topics: 24 / Replies: 259
AllTopicsReplies
Reply
RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

@jamespa it's 3 way

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

@editor Logically the electronic motorised valve.. I think... stops buffer being used when heating DHW/hot water tank. So will be on flow to BT? ...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
ROI on ASHP, Solar PV & Batteries
3 months ago
Forum
Energy Storage
Replies: 8
Views: 300
Reply
RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

Borrowed a clamp on thermometer. Buffer tank: PAW-BTANK50L-2 buffer tankOnly 48lAccording to ashp controlsleaving temp 33degReturn 31 degArr from ...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Agile: average import cost vs other tariffs?

Conclusive evidence after 2 weeks on IOG. Batteries plus extra daytime slots ensuring average is under 10p kwh/day IOG 5th to 17th in pic - vast m...

3 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Octopus intelligent Go, IOG. maximising slots

@carpenterstation I don't think its possible to give an absolute yes/no... as every situation is different. I am a moderately heavy user I think? Im...

3 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Octopus intelligent Go, IOG. maximising slots

Conclusive evidence after 2 weeks on IOG. Batteries plus extra daytime slots ensuring average is under 10p kwh/day IOG 5th to 17th in pic - vast m...

3 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
Topic
Savings - using Weather Compensation & Time of Use Tariffs
3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 2
Views: 356
Reply
RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

@jamespa measuring with clamp-on heating pipe thermometer? I see ebay/amazon has them around £6 or £7 .. Good enough?

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

I doubt I could get my weather compensation curve any lower so must conclude my buffer is not hurting me tooooo much. Certainly accept the main point ...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

I wonder how much efficiency it really costs - if there is unnecessary mixing it results in higher return temps so a "saving" on the next heating. Cle...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Octopus intelligent Go, IOG. maximising slots

IOG offering a lot of cheap daytime slots today. Despite cold, grey day. Car was unplugged and used this morning so maybe helped kick the additional...

3 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
Page 4 / 24
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