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Joined: Jan 20, 2022
Last seen: Aug 3, 2025
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Topics: 16 / Replies: 2419
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RE: Massive Electricity Cost for Running My Air Source Heat Pump

If you're going to take a DIY route to fixing the pipe insulation, then you should be asking for a rebate from the installer. To calculate this, fir...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Massive Electricity Cost for Running My Air Source Heat Pump

As for the steel shed, I would expect to see around 100mm thick insulation sheet for the roof,and around 75mm for the walls and door. It must be dra...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Massive Electricity Cost for Running My Air Source Heat Pump

I don't think the insulation around those four external pipe runs is adequate. Although I can't see how they arrange themselves to pass through a 10...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Advanced Auto Adaptation

Please clarify. Are you suggesting that a power-cut would lose the data which the AAA control system has 'learned'? If so, then DESNZ need notifyi...

8 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
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RE: Massive Electricity Cost for Running My Air Source Heat Pump

And here are my annotations for inside the shed (plant room)

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Massive Electricity Cost for Running My Air Source Heat Pump

Oh great: photos! I can't see where the DHW pipe run enters into the house,but I thought you'd appreciate my first observations And that pipe in...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Massive Electricity Cost for Running My Air Source Heat Pump

So was your installer a major (national) company? FWIW I could easily arrange for a 2m external pipe-run to lose 10°C if I wanted! I'd make sure...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: The good, the bad and the not that great – my heat pump installation

I will suggest that the better Installers are more likely to be local, working from a single address, and not employing sub-contractors.Their reputati...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Massive Electricity Cost for Running My Air Source Heat Pump

Yes @johnr - a well-built shed...... although there's quite a few contractors brought in to achieve that result.They're not cheap! I'm less happ...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Massive Electricity Cost for Running My Air Source Heat Pump

Good point @johnr - but it also sounds like a good location for a substantial storage battery and inverter(s). The heat generated by the inverters w...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: The good, the bad and the not that great – my heat pump installation

The level of evidence required for Arbitration or Mediation under the Consumer Rights Act is lower than that needed to win a case through the Small Cl...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: The good, the bad and the not that great – my heat pump installation

I think you've now assembled the level of evidence which warrants a chat with the Citizens' Advice Bureau. It is they who operate the Consumer Right...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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