Last seen: Aug 29, 2025
You dont need actually need to have solar panels (photovoltaic) to use this option, you are just using a function of the Samsung (if yours has it) cal...
Yup, or better still turn down the lockshields in the bedrooms so you dont need TRVs there either If you need time-variable temperature in the bedro...
I agree with @gary. You need to go back to basics and get it working with weather compensation as the principal/only control and other external con...
@alfapat I hope you are getting closer to the optimum adjustments. Ive given some thought to how you can operate the optimised system with Cosy. ...
DHW flow temp is completely separate to space heating flow temp. The offset is added to the target DHW temp to get the FT for DHW. 15K should be amp...
Interesting. I must admit Id be very reluctant to get a different model to the one I need because of a known software problem, assuming Vaillant adm...
OK so downstairs is 'after' upstairs. You may have to throttle down the LSVs upstairs, increase the pump head if thats an option, and open up (if you...
Something is wrong with the plumbing for sure. Have the downstairs rads been bled? Are they on a separate primary or do they share a primary with th...
Im not an Ecodan exert but I would say that the first picture confirms its cycling, roughly every 15 mins If its about 8C outside, which the BBC sug...
Can you post some plots so we can have a look please? At present many heat pumps will be defrosting (which can look like cycling) because current te...
@ivanhoew I must say I echo what @cathoderay is saying here. I hope what Im about to add doesn't offend you (and apologise if it does - its no...
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
@temperature_gradient They'll all go to propane by 27. ...
By dgclimatecontrol , 55 minutes ago
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@cathoderay agreed, and I hope that the Renewable Heati...
By DREI , 1 hour ago
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RE: Midea ASHP – how to set weather compensation
Something isn't right here, you don't design ufh to wor...
By JamesPa , 3 hours ago
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RE: Electricity price predictions
the post code lottery is only one thing that is very wr...
By Judith , 4 hours ago
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RE: How Do I Know When the Hot Water Has Run Out?
@grahamf Personally I would consider bypassing one of t...
By JamesPa , 7 hours ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
No I'm not mining anything @drei but I am doing R&...
By Transparent , 7 hours ago
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RE: Rodents! A word of warning for heat pump owners
Wasps caused frequent tripping of my lighting circuit a...
By JamesPa , 8 hours ago
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RE: Ecodan & MelCloud scheduling
Yes, the 2 are separate. To add to the complex desig...
By HCas , 2 days ago
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I should clarify that the FoxESS web interface is not l...
By Old_Scientist , 2 days 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 , 3 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: 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 , 4 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 , 4 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 , 4 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 , 5 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 , 5 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 , 5 days ago
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@editor Something changed in this last 12 months, they ...
By ASHP-BOBBA , 6 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 , 1 week 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