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Last seen: Aug 24, 2026
Firstly my apologies to Bontwoody for misspelling the name - Not having an easy time with my office disrupted and the solar contractor wanting somethi...
Hi bentwoody. We have a two part " Bi-Horario" tariff. The peak (generally 7:00 to 12:00 weekdays) and off peak (0:00 to 7:00 weekdays 2:00 to 18:00...
Thanks to both Derek M and bontwoody. My original concept was a power diverter, but they seem expensive for what they are and reading up on them, th...
Many thanks Derek. That is what I will suggest and hope to report back in due course.
Thank you very much for reminding me, Derek. My installer of choice, here in Portugal, is rather sceptical so I have to be persuasive. I am attaching ...
Apologies for re-introducing this topic. I was persuaded by contributers on this forum, that I should remove the second CH pump and change the functi...
My DHW tank (heated from an ASHP) is on to ground floor and water displaced from the hot water feed pipework, would be pushed along the cold water pip...
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Degrees of Separation
Latest Posts
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RE: How Accurate Is My DIY Heat Loss Calculation?
D'oh - of course. I shouldn't post before my brain is f...
By Old_Scientist , 4 minutes ago
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RE: Who's your electricity provider and what's your tariff?
Looks like not much change in electricity prices in the...
By ChandyKris , 2 hours ago
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RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 2 hours ago
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RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Nothing attached! I have rads but UFH makes the case ...
By JamesPa , 2 hours ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 3 hours ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 20 hours ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 20 hours ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 2 days ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 2 days ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 3 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 3 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 3 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 4 days ago



