Last seen: Jan 13, 2025
@sunandair thanks for your replies, yes I think your right, in what little I know so far, I'm just trying to understand and find the right strategy. M...
@sunandair hi, HP is on all the time, as in it's on weather comp and not on timer etc, all stats set to about 19.5c from 10pm til 6am, then they chang...
@sunandair hi. So if the Delta T is OK when doing DHW that's good, but not so on ufh? Could this be the flow rates on manifold need adjusting, I've re...
@sunandair Hi here's the hourly screen shots from 6am til now 3:30pm, DHW comes on at 11am
@sunandair Hi thanks for the questions, im not sure i can answer then fully though but hes what i can say. 1. i have the MCs cert and under floor fl...
@judith ĥi, I managed to get on to Ovos limited trial for their heat pump tarrif, 15p a unit for all heat pump consumption. It's a new build apartmen...
@toodles hi, I think you may of mis understood my post, I'm happy with my temps atm, and I'm monitoring them as the oat getting nearer 0C and will twe...
@editor Hi Mars, on the ecodan FTC6 it shows consumed for Dec 148kwh delivered 388 kwh. So is that a COP or SCOP? Of 2.65? So not very good? How could...
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Heat Pump Dramas?
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Latest Posts
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RE: NIBE F2040 12 kW heat pump and 100 liter buffer tank
@cheshirejohn thanks for the update and for sharing. I’...
By Mars , 17 minutes ago
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RE: Newbie out of her depth – Samsung AE120RXYDEG 12kW heat pump
@jamespa @bontwoodyHeat loss calculations found and att...
By BAMi , 2 hours ago
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RE: What is the best strategy for operating a very oversized heat pump?
I think you are right to frame the question as you did,...
By Old_Scientist , 2 hours ago
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RE: Setback savings - fact or fiction?
Here's the same plot, less the R squared values, done q...
By cathodeRay , 3 hours ago
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RE: SolarPV tables / online calculator
We've only had our solar since last June, but so far fo...
By Old_Scientist , 3 hours ago
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@robs useful thread! Thanks for sharing - Octopus are c...
By big_si , 3 hours ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@jamespa Agreed. I think it’s a case of much over muchn...
By Mars , 5 hours ago
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@eliuccio Unfortunately, whilst I agree with a lot of...
By JamesPa , 6 hours ago
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RE: Samsung Gen 7 R290 12kW is not behaving how I expected
Definitely its in the 20xx FSVs. Conversely it may be...
By JamesPa , 7 hours ago
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RE: Towel rails. An unexpected final hurdle
We have both Normal Rad for heating the room and then a...
By IRMartini , 9 hours ago
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RE: Heat Pump Sizing & Installation Costs
Perhaps useful to have installed date too? To get conte...
By Tim441 , 11 hours ago
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RE: F.788 Building circuit pump reports internal fault - Vaillant Arotherm
Guess I have to wait for engineer visit. I really hope ...
By jeegnesh , 1 day ago
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RE: Act now to defer the UK road tax increase on EVs
@majordennisbloodnok Damn right sir. my attempt at iron...
By Jancold , 1 day ago
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RE: ASHP and heating issues in new build house
That’s good gives you more capacity. It made me think, ...
By Terry1812 , 1 day ago
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RE: Seewet manhole cover within r290 exclusion zone
Thanks! I asked Vaillant, and they say I should be fi...
By dbrb2 , 1 day ago
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Looking for the Grant Aerona 3 setting to turn off completely at 20 OAT
I'm running my Aerona 3 on WC and the 'warm end of that...
By damonc , 1 day ago
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RE: Do I just go with the lowest quote for my heat pump?
So after signing in Sept in two weeks the install may s...
By Jancold , 1 day ago
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RE: Victorian Semi Retrofit / Extension ASHP and UFH Advice
When you are renovating is always a good time, as it ma...
By JamesPa , 2 days ago
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RE: Just one room not reaching desired temperature
Looks like this issue is now resolved. Aira installed a...
By ChandyKris , 2 days ago
Latest Topics
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Heat Pump Sizing & Installation Costs
By Mars 13 hours ago
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Volumisers in Heat Pump Systems: Does Placement Matter?
By Mars 14 hours ago
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SolarPV tables / online calculator
By MichelleC 21 hours ago
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By Toodles 2 days ago