Last seen: Jul 5, 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...
- 26 Forums
- 2,318 Topics
- 52 K Posts
- 138 Online
- 5,978 Members
Join Us!
Podcast Picks
Latest Posts
-
RE: Battery with existing PV - regulations
I am curious... which inverter would you go with for so...
By Batpred , 3 hours ago
-
RE: A2A vs A2W: Which Heat Pump Would You Pick?
A2A is really good. Simple. Cheap. Great success in oth...
By swwils , 4 hours ago
-
RE: Which 6kw to 8kw ASHP can modulate down the lowest ?
That’s one for the installers. @patrickvito @damon @ave...
By Mars , 4 hours ago
-
RE: 10kw heat pump run in 24*7 data?
Good little test tonight and tomorrow morning weather s...
By jeegnesh , 5 hours ago
-
RE: Replacing my 18 month old ASHP
@trebor12345, asked me to post this video for him which...
By Mars , 6 hours ago
-
RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@jamespa/p> Run starts at 11. It didn't do a defros...
By swwils , 8 hours ago
-
-
@sune would these work in a horizontal rather than a ve...
By Grantmethestrength , 10 hours ago
-
I had very helpful advice from several forum members ba...
By Steam Powered , 11 hours ago
-
RE: Battery storage to run Heat Pump.
That comment is welcome, but can be read in two differe...
By Transparent , 12 hours ago
-
RE: Grant 13kW Aerona3 - issues getting zones to temp
Oh the installed needs to go somewhere, that's...
By Crimson , 12 hours ago
-
RE: Who's your electricity provider and what's your tariff?
I can confirm a trend with EOn ... From compliance/ethi...
By Batpred , 16 hours ago
-
Given the underspent for the budget of the Solis invert...
By Batpred , 16 hours ago
-
ASHP Model: Daikin Altherma 3M 4KW House loss: Calcul...
By RadWhisperer , 18 hours ago
-
RE: Grant Aerona: Is there a setting to keep the 2-port valve open during pump blockade
Not unless either you allow the AI to turn on cooling w...
By JamesPa , 18 hours ago
-
RE: Solis S6-EH1P8K-L-PLUS – Why I Chose It and What I’ve Learned So Far
If you mean with Home Assistant, I have got a Solis mod...
By Batpred , 1 day ago
-
RE: Renewables & Heat Pumps in the News
Sorry I did write a reply to @jeff the other day and th...
By Lucia , 1 day ago
-
RE: Electricity price predictions
I expect to be addressing a meeting of residents living...
By Transparent , 1 day ago


