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Illustrious Member
Joined: Jan 20, 2022
Last seen: Aug 22, 2025
Profile Activity
Topics: 16 / Replies: 2434
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RE: Air source heat pump roll call

Oh, wonderful! So ECO4 is another MCS approved scheme which deviates from good science.Why am I not surprised? 🤔 Sort of... it's a...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Legionnaires' Disease & Home Hot Water: Understanding Risks and Prevention

Perhaps I should also observe that bacteria can be eradicated by UV-C 'light', but I've not heard of that approach being used against Legionella. UV...

1 year ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: Confusion over Octopus Tariffs

I'm jumping back in to the starter for this topic, because I'd appreciate some clarification... 1: What's the max output of those 8 PV panels? 2: ...

1 year ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Is this a bad installation and is there something wrong with my Samsung heat pump?

If you're contemplating changing any pumps, please first re-read what @mike-h posted further up this page. This might be the opportunity to change t...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Legionnaires' Disease & Home Hot Water: Understanding Risks and Prevention

May I throw in two other factors? 1. Biology: The bacteria have to come from somewhere in the first place. Historically the culprit was a header...

1 year ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: Air source heat pump roll call

Hi @old_scientist and thanks for the specs.When was the heat pump installation completed? Two things I'd like to pick up if I may: 1: As you have ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: GSHP for new-buid house with UFH - But what about DHW?

A 3-phase 17kW GSHP still sounds on the large side to me.We don't know your SAP calculations, but I'm a little surprised that a new-build home with UF...

1 year ago
Forum
Grounds Source Heat Pump (GSHPs)
Reply
RE: Incorrect Billing of Customers with a Smart Meter

I will agree that there have been other software issues with Kraken, which is the 'internal' name for the billing system used by Octopus, and licensed...

1 year ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: GSHP for new-buid house with UFH - But what about DHW?

I have the same combinations. I've used three different sources of engineered oak over the past decade+ of restoration and extension work.All of the...

1 year ago
Forum
Grounds Source Heat Pump (GSHPs)
Reply
RE: Incorrect Billing of Customers with a Smart Meter

If end-users make a mess of setting devices to turn on just after their Smart Meter crosses into the 'cheap rate' period, then that is itself a form o...

1 year ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: GSHP for new-buid house with UFH - But what about DHW?

Then please keep asking the questions, however naive you think they might be! I'm intrigued by some of what you say: Why is the UFH required to re...

1 year ago
Forum
Grounds Source Heat Pump (GSHPs)
Reply
RE: GSHP for new-buid house with UFH - But what about DHW?

Greetings, and welcome. 1: I'm unsure why you'd want 50°C to supply DHW. If I buy a mixer-valve to protect against the danger of sending scalding ...

1 year ago
Forum
Grounds Source Heat Pump (GSHPs)
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