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Last seen: Mar 13, 2026
@sunandair thanks again. So my graph where the flow and return are straight across, contant delta T more or less, do you think that's good or bad? Wit...
@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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Latest Posts
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 2 hours ago
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@kilgorexv, I actually think doing your own calculation...
By Mars , 3 hours ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 17 hours ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 1 day ago
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RE: Who's your electricity provider and what's your tariff?
@chandykris Swings and Roundabouts, you win some…. ...
By Toodles , 1 day ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 2 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 2 days ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
There is scope for product development here. I for one...
By JamesPa , 2 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 2 days ago
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RE: The good, the bad and the not that great – my heat pump installation
@burtis, I’ve followed this thread pretty much from the...
By Mars , 5 days ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
First time poster here but I can share my experience as...
By SCH , 5 days ago
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RE: Is it the house or the equipment?
...which, I've found out, is pretty much impossible to ...
By Majordennisbloodnok , 6 days ago
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