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Last seen: Sep 19, 2024
I suppose that answers the question why the heat pump cannot maintain the IAT when it enters defrost territory, along with the previously identified w...
@jamespa I have to admit that I have not had the time to look at your results, or indeed the underlying raw data. One thing that I noticed, when I...
I can explain what I believe is happening if anyone is interested.
So instead of using the water to take the thermal energy out of the home, he uses the air. I wonder how effective it is in practice. One possible wa...
Did they check your WC curve settings? Or is it just on the ladies that they check the 'curves'?
Thanks for the medical advice. How's your heat pump running?
You may be correct, but at least I have a sense of humour. 😋
Probably a good analogy is volts and amps for flowrate and DT. For the same amount of power, if you increase the volts then the amps will fall. The ...
You need to accurately establish the heat loss for your home, then multiply this value by 1.25 to 1.5, dependent upon the make and model of heat pump ...
It was a 'fishing hook' to see if anyone would bite. 😋
@jamespa Let me know if this arrives at your end.
@jamespa Let me know if this arrives at your end.
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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 , 2 hours 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 , 9 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 , 5 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



