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Last seen: Sep 19, 2024
Yes, I fully understand noise when used in the electrical/electronic field, but I feel many of the forum members may find this term confusing when use...
I have no desire to get into a slanging match with you, since it would most likely be counter-productive. If, from time to time, I refer to some of ...
Because of the way a heat pump works, lower Energy In does not always equate to lower Energy Out. A heat pump 'harvests' most of the thermal energy ...
I am sorry that you appear to have misinterpreted what was meant to be friendly, helpful, advice, as a personal attack on yourself. I am a firm beli...
Just like a car engine has a minimum 'tick-over' speed, a heat pump has a minimum thermal energy output, below which it cannot modulate down any furth...
The heat pump is being stopped because the thermal energy output being produced, is greater than the minimum value possible under the present operatin...
@jamespa Well done James, I could not have said it better myself.
There are possibly two likely answers, or even a combination of both. I think it has already been established that the OAT sensor is reading low by ...
Both DT and flowrate can be difficult to measure accurately, particularly flow, where improved accuracy normally equates to more expensive. Temperatur...
There is normally notes attached to the data tables to indicate if defrosting cycles have been incorporated in the results. Unfortunately your heat pu...
Don't forget, the DT values supplied are integers, but I doubt that they are in the real World. Since heat pumps like to operate at a nominal DT of 5C...
Have you asked 'Diddly Squat' if he also does heat pumps? 😋
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Latest Posts
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Thanks for the update. Vaillant is a good choice, their...
By Batpred , 1 hour ago
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RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
@penval, really useful update. After all the discussion...
By Mars , 8 hours ago
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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 , 1 day 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 , 1 day 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 , 2 days 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 , 2 days ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 2 days 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 , 3 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 , 4 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 , 4 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 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 , 5 days ago



