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Papahuhu
@papahuhu
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Joined: Aug 4, 2025
Last seen: Mar 2, 2026
Profile Activity
Topics: 6 / Replies: 201
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread

@toodles Thinking laterally and from a non plumber. If you need to ensure your rads are bled to get max output, then surely the converse is also tr...

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Solar Power Output – Let’s Compare Generation Figures

Sun path critical for us, needs to get over a hill to hit the roof, currently lightly touching our lower smaller array but not the main roof yet. Bac...

1 month ago
Forum
Solar Photovoltaic (PV)
Reply
RE: New Solar, Batteries, Air Source and Under Floor Heating advice please

@jamespa I was comparing and contrasting with this installation because it was the same model of heat pump and we are just the other side of the hi...

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New Solar, Batteries, Air Source and Under Floor Heating advice please

Boiler plate 16kW which has an actual output of about 13kW which is what you would select for a heat loss of about 12kW, in Huddersfield Yorkshire, I ...

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New Solar, Batteries, Air Source and Under Floor Heating advice please

Boiler plate 16kW which has an actual output of about 13kW which is what you would select for a heat loss of about 12kW, in Huddersfield Yorkshire, I ...

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New Solar, Batteries, Air Source and Under Floor Heating advice please

We have recently completed rather similar on a slightly larger floor plan, but minus UFH. Before deciding battery capacity, get your heat pump unit ...

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Increasing Room Temperature: Radiator Sizing Rule of Thumb Needed

@jamespa It’s the index rad on the system. They were balanced about 4 months ago with inlet and outlet temp sensors, I’ve been loathe to fiddle with a...

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Increasing Room Temperature: Radiator Sizing Rule of Thumb Needed

@jamespa It varies as dad has some cognitive issues, the door leads to an unheated landing so that doesn’t help. I’ll edge it up to 20% then, we are a...

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Increasing Room Temperature: Radiator Sizing Rule of Thumb Needed

@jamespa That’s nice and easy, thanks, 10% ish. I have a 10% larger rad in a different room that’s a touch too warm, so I can just swap them over. G...

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Increasing Room Temperature: Radiator Sizing Rule of Thumb Needed
1 month ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 8
Views: 191
Reply
RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?

@majordennisbloodnok @editor The objective reality is that a heat pump based central heating system can offer superlative efficiency and performanc...

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?

@simonwig If it wasn’t network connected like many older systems, I’d want my firmware checked/updated. There could be bugs to fix.

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
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