Last seen: Feb 26, 2025
@mike-h The short cycling problem is improved but not resolved. It seemed like it was the thermostat constantly switching it on and off so I dropped t...
@kev-m Yes, weather comp is set to 37-45. Thermostat up and flow temp down might work (and keep the wife happy). I don't what the trace at the bottom ...
So I finally have the MMSP up and running and have some data from PassivLiving. Overall efficiency is at 3.65 which I am assuming is good for this tim...
@derek-m Thanks! I just wanted to be a little more energy efficient by having the upstairs rads turn down during the day and the downstairs rads tur...
Well, the install went ahead without the buffer, there was absolutely no space near the tank so I will so how it goes. I will have a better idea about...
@editor Thank you, that is really interesting. I almost feel bad for giving the installer a hard time now (almost). It seems to be at odds with this ...
@derek-m A single Hive controller is being installed. My existing rads just had manual turn valves which never turned. I had to chase up the supplier ...
@derek-m Thank you for responding. All the rads are specified to have TRVs on them (the install isn't finished yet). In fact I'd like to update them t...
Latest Posts
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RE: The Rise and Fall of Europe’s Most Generous Green Subsidy
This is where the cold water storage tank was situated;...
By Dwynwen , 2 hours ago
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RE: Help with understanding my Mitsubishi Ecodan air source heat pump
@majordennisbloodnok, the same thought occurred to me, ...
By Morgan , 2 hours ago
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RE: Help me keep the faith with my air source heat pump installation
I agree with @mars. My install was not dissimilar. ...
By JamesPa , 2 hours ago
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RE: Air Source Heat Pump - Side Alley Suitability
Thats probably fair enough. The degree-days calculatio...
By JamesPa , 2 hours ago
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RE: ASHP Ecodan L9 error - No Heating but Hot Water
That’s interesting, but obviously concerning also…. Do ...
By SUNandAIR , 19 hours ago
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RE: In the middle of an ASHP installation - a few questions (and issues)
Thank you @robs - that very useful data. The issue wa...
By Transparent , 22 hours ago
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RE: Hitachi Yutaki SCombi Heat Pump - Thermal Off's
@trebor12345 The Auto function is supposed to adapt au...
By Heatgeek , 2 days ago
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RE: The Great British Heat Pump Quiz
@allyfish thanks for the feedback and glad it was fun! ...
By Mars , 2 days ago
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RE: help sizing rads based on room by room heat loss
If its 1988W at DT 50, which is how most radiators are ...
By JamesPa , 2 days ago
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RE: Career change – entering the world of heating and heat pumps
@editor Mars, thank you. That's along the routes I was ...
By Lakey , 2 days ago
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@editor thanks Mars, it's a rare occasion I'm looking f...
By big_si , 3 days ago
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RE: Efficiency Concerns on newly installed Mitsubishi Ecodan 8.5kW
@ashp-bobba and @jamespa - thank you both for all your ...
By CBrenewable , 3 days ago
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Win one of five "Heat Pumps 101" Courses
Heat pumps are gaining traction in the UK, but between ...
By Mars , 3 days ago
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RE: Agile: average import cost vs other tariffs?
@toodles thanks for the analysis. I'll be really intere...
By Old_Scientist , 4 days ago
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RE: Is this normal? Click of the DHW returning to space heating
@grantmethestrength Oh sorry to hear that, there should...
By ASHP-BOBBA , 4 days ago
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@ashp-bobba TBH the ladies are rather disorganised, so ...
By Cathyem1 , 4 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
And for those of us without an automatic irrigation sys...
By Majordennisbloodnok , 4 days ago
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Logically, the lower frequency = more gentle, yes, but ...
By SUNandAIR , 4 days ago
