Last seen: Aug 28, 2025
What exactly doesn't work in what circumstances and in what way? My guess, and it is only a guess but it's based on how my Valiant works (albeit, it...
@ashp-bobba Sounds very interesting. It seems to me that this is an exciting time to be in the renewable heating market as there is going to be lo...
Houses with reasonably low loss aren't going to require heating once it gets above say 15C because you have a constant 400-600W going into them from w...
If it's running on WC then at night it's quite likely to heat up. The outdoors gets quite cold at night! Likewise circulator pump is likely to con...
@morganr I have been thinking some more about those WC curves. Fundamentally they are, so far as I can see, just wrong. If your aim is to run on pur...
It's a good question. With a house that has sufficient heat capacity (eg one with ufh in a slab) batch heating at cheap rate is probably a good app...
It sounds like you have thought about this a lot and everything you are saying looks sensible. A windowless, doorless gable with no properties nearby...
I think you first sentence is spot on, stored DHW is just different to on tap DHW from (presumably) a combi. Not worse, not better, just different. ...
I should perhaps clarify my thoughts in view of the comments from @old_scientist (with whom I agree). @quakerquaker asked 'Q1 - is maintaining the w...
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RE: Midea ASHP – how to set weather compensation
@pash44pump I'm going to leave this mostly to @catho...
By JamesPa , 1 hour ago
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RE: Electricity price predictions
The gas standing charge went up as some of the network ...
By Jeff , 2 hours ago
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Interesting this post, not the first time I've come acr...
By dgclimatecontrol , 7 hours ago
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RE: Ecodan & MelCloud scheduling
Yes, the 2 are separate. To add to the complex desig...
By HCas , 1 day ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
I think there may be a little confusion in the wording ...
By Old_Scientist , 1 day ago
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I should clarify that the FoxESS web interface is not l...
By Old_Scientist , 1 day ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
Previous was vented and I needed a shower pump and a ve...
By JamesPa , 1 day ago
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RE: Mitsu Wireless Controller and MelCloud
@robs Hi Rob, At the end of a note to Mitsu UK, thank...
By DavidAlgarve , 2 days ago
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RE: Why so many sigenergi installer recommendations?
@adamk Tesla is a great option, it’s also one we instal...
By SAEnergy , 3 days ago
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RE: Rodents! A word of warning for heat pump owners
Hradline in Telegraph: Brace for plague of rats after s...
By Tim441 , 3 days ago
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RE: Flexi-Orb Heat Pump Scheme: A Game-Changer for the UK's Heat Pump Industry
As a potential heat pump customer, it would be good to ...
By Temperature_Gradient , 3 days ago
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RE: Octopus replacing the fixed 15p/kWh export rate with a market tracking one
@trbob I have just extracted the details for Agile Expo...
By Toodles , 3 days ago
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RE: Heat Pump Books For Beginners – Bodge Buster & From Zero To Heat Pump Hero
The Ultimate Guide to Heat Pumps is less than a month a...
By Mars , 3 days ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
@editor Hi Mars, We have just installed a Grant Aerona...
By GrahamF , 4 days ago
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RE: Sanity check please. Battery storage and inverter sizing.
There are MCS guidelines about how close to the edge/ri...
By Old_Scientist , 4 days ago
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RE: Balancing financial efficiency and comfort using the Octopus Cosy tariff
I estimated our usage on the following basis. The mos...
By Old_Scientist , 4 days ago
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@editor Something changed in this last 12 months, they ...
By ASHP-BOBBA , 5 days ago
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RE: Does anyone have experience of a smart water meter?
Just to give a sense of scale, I've used the CCW water ...
By Majordennisbloodnok , 6 days ago
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RE: Powerwall 3 or Myenergi or something else?
We have a Tesla Powerwall 3, recently installed, so I m...
By Old_Scientist , 1 week ago
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RE: Mitsubishi PAR-WT60R-E Wireless Controller installation
@morgan They have been paired once but it was thought b...
By DavidAlgarve , 1 week ago