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...
Latest Posts
-
RE: Advice for a novice on Mitsubishi Ecodan 6kW
In the Home Assistant firmware the data points...
By F1p , 6 minutes ago
-
RE: Ecodan Pump Issues… Circulation pump turns off when heat pump compressor turns off
Interesting and great that you are able to run experime...
By JamesPa , 13 minutes ago
-
RE: GSHP WOES! Midland based engineer recommendations?
@johnbroome if it is not the pressure in the expansion ...
By ASHP-BOBBA , 21 minutes ago
-
RE: Installer Fitted 9kW Instead of 11kW Heat Pump and Changed MCS Paperwork - What do I do?
In recent cold weather th...
By JamesPa , 24 minutes ago
-
So I hear the export MPAN that UKPN assigned should be ...
By Batpred , 3 hours ago
-
RE: Recommended home battery inverters + regulatory matters - help requested
From what I read, the Solis has a very long list of err...
By Batpred , 3 hours ago
-
RE: Ideal HP290 14kW ASHP - how to optimise
Roughly this should cost you £250-£300 per peak month a...
By ASHP-BOBBA , 4 hours ago
-
RE: New Daikin 11kW Altherma 3M install - is it working as it should?
@toodles Thank you for your input. As the days have got...
By Synthbuilder , 8 hours ago
-
RE: Fan unit Making terrible noise HELP!!
@gutoffowc Oh no, sorry to hear that, are you in the Ke...
By ASHP-BOBBA , 10 hours ago
-
RE: Sunsynk Whole House Backup Issue
@sheriff-fatman - could you please re-post that in the ...
By Transparent , 10 hours ago
-
RE: Running my new Nibe ASHP efficiently
I didn't. I spent a while manually messing around with ...
By jamieheatpumpnew , 12 hours ago
-
RE: I’m glad the cold spell is over!
I comparison with the 65kWh used above yesterday was on...
By Judith , 13 hours ago
-
RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
I should think so, I thought that pretty much universal...
By JamesPa , 13 hours ago
-
RE: Setback savings - fact or fiction?
I'm also inclined to look into how a defrost is actuall...
By cathodeRay , 13 hours ago
-
MLCP (Multi-Layer Composite Pipe) for ASHP
@editor nope. The info you reported was sufficient for ...
By iotum , 24 hours ago
-
RE: Experience - New Build / Complete New Heating System
@vincro I would be surprised if it is much above 5 to 6...
By ASHP-BOBBA , 1 day ago
-
RE: Post-Traumatic Heat Pump Stress Disorder
Yes bang on and maybe I can illustrate that by way of e...
By iotum , 1 day ago
-
