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Last seen: Sep 19, 2024
@cathoderay I am sorry to hear that your heat pump is struggling, though the humidity is allegedly lower today which may help.
@cathoderay Dates and times are important otherwise we may be comparing apples with oranges. Could you please remind me how you arrived at the 1.1...
@jamespa I had arrived at the same conclusion, but did not make comment since I did not wish to influence others. From the table that I published,...
@cathoderay Could you please provide all the relevant data and information in a timely manner, so that a correct peer review of your suggestions can...
@cathoderay Could you please confirm the source of the data in the columns headed 'energy_in' and 'energy_out'.
@cathoderay Could you please provide a copy of the data that you used to produce the most recent charts.
@cathoderay Is there a particular reason why you keep changing the start time for the 24 hour test periods?
@sunandair I thought that when operating in WC mode, the LWT was the parameter being adjusted. Do you have charts for the LWT and RWT?
@sunandair The reheat at 2am occurred because the OAT was lower last night, so the IAT fell at a faster rate and reached the set room temperature at...
@sunandair How are you achieving the lowering of the set room temperature?
I would respectfully suggest that rather than the V x I x Correction Factor, a more suitable equation would be:- Input Power = V x I + Auxiliary Pow...
Below is some information that all you budding statisticians may find of use. The table shows a comparison of the 1.18 correction factor against OAT...
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Latest Posts
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RE: Who's your electricity provider and what's your tariff?
@papahuhu I prefer to look at it simplistically. We d...
By Old_Scientist , 14 hours ago
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RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
Sooooo, what did we do in the end? We approached three ...
By Penval , 14 hours ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
D'oh - of course. I shouldn't post before my brain is f...
By Old_Scientist , 19 hours ago
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RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 21 hours ago
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RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Nothing attached! I have rads but UFH makes the case ...
By JamesPa , 21 hours ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 22 hours ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 2 days ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 2 days ago
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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 days 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 , 3 days 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 , 3 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 4 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 4 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 , 4 days ago



