Last seen: Mar 26, 2025
@jamespa Thanks again for the great comparison. Yes, I certainly was not considering the 9kW one! And I did notice they had the units wrong on there (...
... the property was built in aprox 2020, about 170 sq M, ground floor plus two above, the top floor being essentially a pre-converted loft room, but ...
Wow, thanks for that @jamespa! I actually did 15.0 degrees for the degree day output, so can adjust slightly. I have a feeling that a calculated he...
Thanks @jamespa for showing the variability. Unfortunately for me taking a gas meter reading involves a trip outside the house! I did gather data over...
@editor Good work Mars!
Mythic Beasts are great!
Thanks @jamespa and @toodles. This company has done work for me before so I am pretty comfortable with them.
Ok... I did another one, still not using the DegreeDays concept, but using another snapshot. From 11:55pm on March 3rd to 8:55am on March 4th I used 2...
but an AI gives me a slightly different value (maybe due to Calor rounding that L x 7.1 figure): To calculate the kWh from 2.39 cubic meters...
Hi @bobtskutter ! Thanks for your reply -- I'll have to take some time to digest it, some new concepts in there for me. The kWh figure I arrived at th...
according to degreedays.net, that 16th date (at Gatwick observation station) was about 14.3 heating degree days for the 15.5 base temperature. The 21s...
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Latest Posts
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@declan90 Thanks for this. I see where you are coming f...
By Heatgeek , 22 minutes ago
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RE: Low Loss Headers and Buffer tanks - Your experiences wanted
@jamespa I purchased a set of 4 temperature probes from...
By Toodles , 2 hours ago
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Given the amount of times we come across wrongly sized ...
By bontwoody , 3 hours ago
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RE: Are MCS are finally improving (some of) their guidelines?
I suppose it achieves what it is designed to achieve, n...
By JamesPa , 3 hours ago
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RE: Compute heat loss from energy used
Radiator manufacturers publish the volume of water in t...
By JamesPa , 4 hours ago
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RE: Plug and play solar. Thoughts?
@transparent which you can do if they are hard-wired...
By Lucia , 11 hours ago
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RE: Noise problems with newly installed Samsung 8kW ASHP
@elton I think that you are correct about the noise com...
By Odynsfee , 15 hours ago
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RE: Do I just go with the lowest quote for my heat pump?
Day 2, working in all rooms now but particularly instal...
By Jancold , 17 hours ago
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RE: Database of heat pump performance data?
That looks as if you’ve found it! I’ve browsed it a b...
By Judith , 20 hours ago
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RE: 15 year old Daikin ASHP System
Our new ASHP system was installed in mid January and fo...
By BGF , 22 hours ago
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RE: (How) does your heat pump control its water pump?
@jamespa Agree entirely.
By Heatgeek , 22 hours ago
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OK, further to the above (which please do read as its a...
By JamesPa , 1 day ago
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RE: Help for newbie Samsung ASHP owner
@cathyem1 Yes. How to set up the hot water time c...
By Lenny , 2 days ago
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@tim441 Ah yes! I am comparing apples with hefalumps I ...
By Toodles , 2 days ago
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RE: Adding data centre electricity costs to domestic energy bills?
Their slowness to acknowledge mine was hopefully indica...
By Lucia , 2 days ago
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RE: Ideal renewables components - opinions please
@majordennisbloodnok Same ‘Trinity’ here, and like y...
By Toodles , 2 days ago
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RE: Nibe F2040 ASHP PCB failure
@editor Good afternoon, hope you had a good weekend. An...
By Delta , 2 days ago
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RE: As We Head Into Spring and Summer… What’s Your Favourite Energy-Saving Tip?
@tim441 The south (ish) facing side of our abode has wi...
By Toodles , 2 days ago
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RE: Excessive performance/system issues with GSHP
Once you have 3-5 degree delta t on brine side then tha...
By greenlight , 3 days ago
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RE: Thinking of ripping our my IVT Greenline HT Plus C model and replacing with a gas boiler.
@abbote great stuff. We’ve replaced hundreds of those h...
By greenlight , 3 days ago
Latest Topics
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By bontwoody 3 hours ago
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Help for newbie Samsung ASHP owner
By Cathyem1 2 days ago
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(How) does your heat pump control its water pump?
By JamesPa 3 days ago
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Plug and play solar. Thoughts?
By Lucia 7 days ago