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Last seen: Oct 1, 2025
@jamespa There are many hundreds of other variables in the vapour compression circuit, miss one and the calculations are irrelivant. Every time I thnk...
It is just thermodynamics, the higher you move the flow temperature the more it will cost to run, existing radiators may need a higher flow temperatur...
All heat pumps, using the same gas, will have a verry simmalr perfomance, you cammot beat the rules of thermodynamics, the biggest effect on heat pump...
Hi @dreg1 11, Kw or 10.6 is neither here nor there, it is considered to supply 100% of the load and will with ease, if your system is controlled prop...
@terry1812 Go to "My Dasboard" Top right and click on the messages icon, I have sent you one.
I can help, PM me
@terry1812 Sorry, I did not realise it was there, Admin chainged it a while ago, it has been corrected.
Firstly, lets look at the heat pump, this unit, accrding to the doccumentation Mr Google found fo me, it will supply 11 Kw down to -7, if your heat lo...
@adamk You defernatly do not need a buffer and possibly a volumisor depending on how many radiators you have open loop and the unit you choose. Yes, y...
@jamespa "Whether anyone would be prepared to pay the rates that they would demand is of course another matter!", they are not, we have sorted a lot o...
@jamespa (Im presumeing when you say pumps in parallel you also include in series - as here); you are correct and I have corrected my post. Mismatched...
@jamespa Pumps in series are not a problem, the flow rate on the pump is approximately the same and the head is about 70% more (not double). @alfapa...
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Latest Posts
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RE: New Build 3 Phase or 1Phase
@etchedpixels I've just looked back, it was March this ...
By E A WEST , 1 hour ago
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RE: How will removing the standing charge on gas bills benefit heat pumps?
I'm not sure it makes much of a difference to heat-pump...
By Temperature_Gradient , 15 hours ago
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@editor Ouch, sorry to re start the tick. I had assume...
By DavidB , 16 hours 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 , 17 hours 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 , 1 day 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 , 1 day ago
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RE: Double or Triple Glazed Windows?
Posted by: @singlespeed With 9 years repairing windo...
By Rob of York , 2 days ago
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@transparent we’re still running a secure version of PH...
By Mars , 2 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 , 3 days ago
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RE: Passiv Smart Thermostat - Help & Forum Support
Obviously the weather is changeable but there's a defin...
By Singlespeed , 3 days ago
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@rob-of-york I must admit that when we had a Daikin hea...
By Toodles , 3 days ago
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RE: Forum updates, announcements & issues
Get the Renewable Heating Hub heads-up on WhatsApp. I...
By Mars , 3 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...
By dansus , 3 days ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews As well as loft insulation, there are othe...
By Rob of York , 3 days ago
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