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Last seen: Sep 19, 2024
@jamespa Using degree days for calculations with gas or oil boilers is not really a problem, but such does not work particularly well with ASHP's.
Germany appears to be working towards having green Hydrogen as a key element of their energy mix. Below are some interesting videos and information.
The graphs that you obtained are typical of a control system whose response is actually slightly too responsive. I will formulate an explanation in a ...
I suppose that you could try the old fashioned method, download and read the installation manual. There are a number of you tube video's. I don't ...
@fazel That's because we live in 'rip-off Britain'. 😡
@jamespa It is my understanding that air conditioning units (A2A heat pumps) have the same limitations for permitted development as A2W heat pumps, ...
I suppose the noise aspect is very much a 'can of worms' and also subjective, since different individuals will have varying levels of noise tolerance....
@editor If you would like to provide the readings from your system I will try to analyse the data and see if there may be a problem somewhere.
@editor Looking at the graph, not only is the expected change is LWT lower at higher outside temperatures, you may also have the case where it runs ...
@editor If you are not seeing a change in LWT with outside temperature, then I would question whether your system is operating in WC mode, or that t...
@sunandair This is the way that I interpret the reply from the Mitsubishi Engineer. The controller measures both the outside temperature and the i...
Hi James, To give credence to some of your suggestions, below is what we have achieved over the past 10 years or so, and what could be achieved by o...
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Degrees of Separation
Latest Posts
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
There are a collection of tools around on the internet ...
By EtchedPixels , 11 hours ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews I have read you latest response re buffer ...
By JamesPa , 12 hours ago
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RE: How will removing the standing charge on gas bills benefit heat pumps?
The BUS grant funding for 2026/27 will run out at the c...
By Rob of York , 22 hours ago
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@editor Ouch, sorry to re start the tick. I had assume...
By DavidB , 3 days ago
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RE: Say hello and introduce yourself
@e-a-west as the good Major said, welcome to the forums...
By Mars , 3 days ago
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RE: How much of your renewable and home setup would still work if the internet went down?
Yes I actually have a copy of a tool that whenever a ce...
By EtchedPixels , 3 days ago
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RE: Indevolt Batteries UK Support & Info Thread
@editor Hi, To resolve this, please tap on the A...
By Indevolt Tech , 3 days ago
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RE: Double or Triple Glazed Windows?
Posted by: @singlespeed With 9 years repairing windo...
By Rob of York , 4 days ago
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@transparent we’re still running a secure version of PH...
By Mars , 4 days ago
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RE: How quickly would you want/expect heat recovery to take from setback?
Much longer than that here. The heating isn't even on. ...
By bobflux , 5 days ago
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RE: Passiv Smart Thermostat - Help & Forum Support
Obviously the weather is changeable but there's a defin...
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RE: Forum updates, announcements & issues
Get the Renewable Heating Hub heads-up on WhatsApp. I...
By Mars , 5 days ago
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RE: Safety study for plug in batteries out to tender - looks like Q3 2027 at best before legal
@editor I pointed out to the one of the Fuse execs that...
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