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Last seen: Sep 19, 2024
@lucia With regard to the bucket analogy, think of your home as a bucket with lots of pin holes covering the whole bucket, with the bucket placed in...
@johnmo You are perfectly correct that what I have previously described as the upper 'switch off' limit and the lower 'switch on' limit can indeed a...
@bontwoody Thank you.
I would be interested to see the results.
This is what is so annoying about the present society in which we live, in that one cannot always trust people to do what you have paid them to do.
I would agree that increasing the LWT is likely to reduce the instantaneous COP value when the heat pump is operating in continuous mode, but it may ...
@lucia The better option would be to get the cavity filled correctly.
One way to try to reduce cycling frequency would be to raise the Leaving Water Temperature (LWT) by means of the Weather Compensation (WC) offset. Thi...
@toodles Page 20 of the attached manual provides a detailed breakdown of the model number.
Most heat pumps will cycle when the OAT is 10ºC or above, the frequency is cycling may be dependent upon quite a number of parameters. If I have tim...
Does the attached manual cover the model in question?
I think the best that can be obtained from assessment is the approximate heat loss, since the actual heat loss will vary with changing weather conditi...
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Degrees of Separation
Latest Posts
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New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
I am feeling baffled and worried:We are having a an Aro...
By GutoFfowc , 2 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 , 5 hours ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 5 hours ago
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RE: Questions about A2A for heating as well as cooling
@donciccio I would suggest that you take a "fabric-fi...
By Rob of York , 5 hours ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
Any idea how efficient your gas boiler is? Is it a 50 y...
By Old_Scientist , 10 hours 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 , 22 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 , 2 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 , 2 days 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 , 2 days 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: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 3 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 , 6 days ago
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