Last seen: Oct 27, 2025
@chas-b no unfortunately not. The most detail I received was just the loss per room.
@editor I can understand why. But it’s a shame they don’t give you the details that go into the outcomes. One would assume the formulas they are using...
@temperature_gradient I didn’t ask that. I assumed they were using the correct nomenclature. The surveyor told me and then I asked for clarification f...
@egp01 interesting. I hadn’t heard of adia. Looks a bit like our current Tado system but for heat pumps. To be honest I thought TRVs like this were a ...
@drei this is the formula i was using to rate the radiator output correct to the desired flow temp. =ROUND((((((Flow Temp + (Flow Temp - 5)) / 2) - ...
@drei good to know thanks. I think there should be more than enough volume in the system. I plan for open loop other than TRVs in the bedrooms in case...
@editor so my plan is to go away and upgrade all the radiators myself using the highest heat loss estimate for each room. There is about 5m of main “v...
@editor Heat Geek - 8.45kW, Octopus - 10.27kW, British Gas - 7.69kW I’ll be honest I think BG have made a mistake somewhere as they wanted the most ...
@jamespa that’s an interesting way to look at it. Given my gas usage the heat loss would be around 4-5kW. But we tend to run our house on the cooler s...
- 26 Forums
- 2,364 Topics
- 53.6 K Posts
- 208 Online
- 6,029 Members
Join Us!
Worth Watching
Latest Posts
-
RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@kevh it's worth remembering that many lsvs only actual...
By JamesPa , 34 minutes ago
-
@agentgeorge Alternatively …. Use cheapest tariff times...
By Toodles , 2 hours ago
-
@majordennisbloodnok Education, Education, Education…
By Toodles , 3 hours ago
-
RE: Setback savings - fact or fiction?
Exactly. We only need to compare conditions, to decide ...
By cathodeRay , 7 hours ago
-
RE: Balancing financial efficiency and comfort using the Octopus Cosy tariff
I found because I have very low heat loss I can set bac...
By RadWhisperer , 10 hours ago
-
RE: Need Help Optimising My Rushed ECO4 Install: 12kW Bosch Heat Pump
Welcome @mickamills We too have an oversized 12kW Sa...
By Old_Scientist , 16 hours ago
-
RE: My Powerwall 3 Consumes 3-4 kWh/Day in Self-Consumption: Is This Normal?
@caron I can confirm that the power usage of the PW3 is...
By Old_Scientist , 16 hours ago
-
RE: Speedcomfort radiator fans
Thats true, but having tried (and succeeded) in constru...
By JamesPa , 20 hours ago
-
RE: Solis S6-EH1P8K-L-PLUS – Why I Chose It and What I’ve Learned So Far
@bash brilliant, thanks for the feedback
By energy9165 , 21 hours ago
-
RE: Heat Pump Heats the House… But It’s Not Cosy. Emitter Changes or System Tweak?
@alastair There I was, feeling grumpy, he said “Cheer u...
By Toodles , 23 hours ago
-
RE: Grant Aerona: Is there a setting to keep the 2-port valve open during pump blockade
Depends on OAT. Mine cycles at OAT>10 and of course...
By JamesPa , 1 day ago
-
RE: New Fogstar 15.5kWh upright solution
@transparent My conclusion is as you have noted, tha...
By Bash , 1 day ago
-
RE: Mitsubishi Ecodan R290 10kW performance
And to you too. Wishing you a very enjoyable festive s...
By Sheriff Fatman , 1 day ago
-
RE: External pipework insulation
They do? But that isn't apparent from the photos we'r...
By Transparent , 1 day ago
-
RE: Say hello and introduce yourself
@velcro welcome to the forums. Please feel free start a...
By Mars , 2 days ago
-
Daikin EDLA11D3V3 DHW Settings
I have a newly installed EDLA11D3V3 which I'm still get...
By Velcro , 2 days ago
-
RE: Midea ASHP – how to set weather compensation
@curlykatie did you get sorted with this?
By MickaMills , 2 days ago
-
RE: MyVaillant Connect Regular Disconnect
Thanks. Yes, if the time is consistently 11pm every nig...
By buckwem , 3 days ago

