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Last seen: Mar 21, 2026
I would be asking my installer (both installers) to tell me where they would install it since they are quoting. Then take them to task on why they wou...
@allyfish hi just wondered - what’s the costings for the homely installation? presumably there’s an installation and setup cost. then is there a man...
The colder it gets the More energy is saved! We have at last managed to trial a 24 hour continuous operation of our heat pump at sub3degC. This means ...
Is it because most new owners never feel in control of their state of the art heating system? Is it because the latest smart thermostat just becomes a...
Hi @glpinxit your reply to @skd is very enlightening. Am I right in interpreting your numbers in brackets? For example “Nov 399 KWh (442)” Is th...
To help qualify our OKish performance... There have been improvements we have done in an attempt to help maximise our efficiency. These include: W...
I might almost have just copied @gary s figures with some small differences. Ours is a 4 bed old house,180sq mtrs, no u/f heating just 16 radiators...
The results of our trials: There were 4 continuous 24 hour trials which coincided with 4 different outside ambient temperatures. These temperatures w...
In summary the purpose of these trials have been to see if there are any energy savings in having an automated setback over a 7 hour period of night t...
Where is your circulator pump located in the circuit? Is it positioned on the Primary Flow or the Primary Return? Do you have a Mitsubishi pre plumbed...
hi SKD, What model are you referring to please? The R32 only refers to the refrigerant. I’ve posted here the data sheet for the current r32 models a...
Definition of setback. we have tried different set back temperatures to see what fits our Low mass building. In other words our house warms up quick...
Latest Posts
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@swwils mine is mostly off now. Hot water for an hour ...
By AndrewJ , 5 hours ago
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RE: Setback savings - fact or fiction?
I too agree with what you say, and am grateful to you f...
By cathodeRay , 6 hours ago
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RE: Vaillant Sensocomfort Time
Thank youy for the pointer. I think I have managed to ...
By ispookie666 , 7 hours ago
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RE: Forum updates, announcements & issues
I have been doing a lot of work on the site lately and ...
By Mars , 7 hours ago
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@majordennisbloodnok good advice, thanks for that.
By David999 , 10 hours ago
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RE: My Grant R290 9kW Heat Pump Installation
I am following this thread with great interest and than...
By TaffontheTaff , 13 hours ago
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RE: Sizing an ASHP; Heat loss and kW
You can't measure heat loss with a website. But you ca...
By JamesPa , 1 day ago
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RE: Estimating true heat loss from twelve months of consumption data
@ian33a — I have a sort of residual interest in this pr...
By cathodeRay , 1 day ago
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Hi, Thank you. So its a Daikin Altherma 3M...
By Lbart68 , 1 day ago
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I have a Contactum CU. Would the below RCBO (descriptio...
By Batpred , 1 day ago
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RE: Samsung gen 7 HP 12kw - auto control issue and water law
@chainreaction Agree with @broadsman , it seems many ...
By Batpred , 1 day ago
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RE: Anyone concerned about GivEnergy?
@transparent Thank you and appreciate your timely reply...
By SUNNYSKIES , 1 day ago
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RE: Grant Aeona 3 R32 cycling with weather compensation.
The hot water heating looks normal. The heat transfer ...
By GrahamF , 2 days ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
Good questions @temperature_gradient. My understanding ...
By springswood , 2 days ago
