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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: Heat Pump Manufacturers Recommending Buffer Tanks
We pushed for a system without a buffer as per advice o...
By Batpred , 33 minutes ago
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RE: How many people are happy with their ASHP and do you believe them?
Interesting question @deltona. I think there’s a huge d...
By Mars , 55 minutes ago
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@editor thank you - our tank is of course huge - we hav...
By AliRam , 4 hours ago
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@editor this is great news.
By ASHP-BOBBA , 4 hours ago
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RE: Daikin Altherma 3 with Fan Coils in Puglia (Italy)… Sanity Check on System Operation
AH (Absolute humidity) is grams of moisture per volume ...
By bobflux , 5 hours ago
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RE: Loud noises in the night - and one for the toolbox?
I appreciate your help and when I find the cause I'll p...
By Jancold , 16 hours ago
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RE: Grant Aerona R290 (15.5kW) - How is DHW Target Temp calculated?
Just in case someone else has the misfortune to come ac...
By TaffontheTaff , 17 hours ago
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RE: UK warm homes plan - how can it be delivered?
That looks like the direction the policy makers are hea...
By Temperature_Gradient , 17 hours ago
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RE: Estimating true heat loss from twelve months of consumption data
Thanks - something to certainly consider !
By ian33a , 18 hours ago
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RE: Forum updates, announcements & issues
Yes, I got it at 10:24. But Wednesday is my "day off"...
By Transparent , 18 hours ago
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RE: Heat Pump Operation in Summer - Valliant 7kW
Personal choice but without a doubt my heating pump cop...
By JamesPa , 24 hours ago
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RE: MCS 2.0 - Changes in January 2025
I had a few quotes and none of them says much about the...
By Batpred , 1 day ago
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RE: ASHP Capacity loss with aging
I see where you were also going with this, its is likel...
By ASHP-BOBBA , 1 day ago
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RE: Renewables & Heat Pumps in the News
Interesting prompt about whether some of the solutions ...
By Jeff , 1 day ago
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RE: Lower electric tariffs for heat pump users
I did some modelling using our real consumption figures...
By ChandyKris , 2 days ago
