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Last seen: Oct 25, 2026
Posted by: @ian-s The bigger item think is do we upgrade our 15 year old 180l slim water cylinder for the Vaillant uniSTOR PURE 175l Slim, 20% incre...
First up once I have a flow meter fitted is to simply measure flow speeds and hence flow rates at the three available pump speeds with the existing sy...
@singlespeed Thanks, however, I think there is more to it than flow temperatures, which is the main factor affecting heat pump efficiency. Radiat...
@ian-s I wouldn't be too concerned about the design flow temperature. As that's only the flow temperature when it's very cold outside, for example ...
Posted by: @batpred There´s another aspect that could eventually provide an incentive. The ratio of electricity to gas prices. We hear a lot ab...
While heat pump installs remain expensive (before BUS grant) compared to gas boilers, how can we ever get to the take up needed to transition the majo...
Posted by: @jamespa You can avoid this by knowing what your house loss either from a single survey or your gas consumption, and roughly how many rad...
@springswood Your real world quotes leave me completely puzzled as to how the prices are justified in cost terms. Assuming refundable deposits, t...
Posted by: @jamespa Thats very interesting, I am on a Local Authority group which is looking at how to smooth the end to end process for various ty...
I agree with @majordennisbloodnok that independent surveyors should take responsibility / liability for the accuracy of their heat loss surveys. Then ...
One area where the whole process seems to be broken to me is the lack of separation between (i) heat loss survey and (ii) installation. These require ...
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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 , 10 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 , 11 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...
By Singlespeed , 5 days ago
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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...
By dansus , 5 days ago
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