Last seen: Apr 25, 2025
@jamespa Please correct me if I'm wrong here, but isn't the temperature difference between each pair of ports a function of the difference in flow rat...
@jamespa Thanks for telling the cold hard truth 🙂 Even though it sounds bad I'm pretty optimistic right now.Replacing the heat pump with a smaller mo...
@ashp-bobba Not a chance for a swap unfortunately, this is already a 5 years old system. On the bright side though this is in the middle of continenta...
@jamespa Your understanding is entirely correct. It is massively oversized. And the compressor can't seem to be able to modulate to under ~3kW or so, ...
@jamespa What was the date of the plot and what was the approx OAT then? Date was 19th April, OAT howered between 18C and 20C in this period. Whi...
Thank you so much for the input so far. I kind of thought that buffer tank is supposed to heat up/cool down cyclically to stretch the ON times of the ...
Latest Posts
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RE: Grant 13kW Aerona3 - issues getting zones to temp
Thanks James, its honestly hard to keep it tog...
By Crimson , 7 minutes ago
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RE: Extend the colder range of the weather compensation curve?
Thanks for replies. That's good to hear and wanted to ...
By TheBinMan , 13 minutes ago
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RE: British Gas vs Octopus Energy vs Heat Geek vs EDF vs Aira
I think that's what they do, so they are varying ft. ...
By JamesPa , 35 minutes ago
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RE: Help me keep the faith with my air source heat pump installation
No cycling there except possibly at midnight on the fir...
By JamesPa , 40 minutes ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handle: KevB Manufacturer: Ideal Model: 5kW ...
By KevB , 2 hours ago
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RE: Don’t Install a Heat Pump Until You Read This
Wow, the disappointed Global Energy Systems customers a...
By Mars , 2 hours ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
I may be getting my knickers in a twist. I plotted my w...
By AndrewJ , 3 hours ago
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RE: 10kw heat pump run in 24*7 data?
Depends on the outside temp, i'd say in the coldest of ...
By jeegnesh , 4 hours ago
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RE: DHW heat loss through pumps.
Hi @ngillam I don't have anything as sophisticated for ...
By Marzipan71 , 4 hours ago
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RE: Has anyone seen this problem before? Huge anticycling times
For the information of others. Vaillent came today, che...
By jamesh , 5 hours ago
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RE: Electricity price predictions
I am aware how the market operates on a high level. Giv...
By Batpred , 6 hours ago
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Luckily, the DNO is the competent organisation and they...
By Batpred , 7 hours ago
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Why Millions of UK Homes Struggle With Heat Pumps
For years, we’ve heard a consistent refrain from homeow...
By Mars , 8 hours ago
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RE: Here is my heat pump installation with questionable COP in Italy
Hi, and welcome to the forum. I cant quite u...
By JamesPa , 10 hours ago
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I signed up to Havenwise control on the day after the h...
By Sheriff Fatman , 19 hours ago
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That's not always the case.Let's see what they say once...
By Transparent , 23 hours ago
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RE: BUS grant voucher expires before install date
@bornagain That is what our installer is pr...
By Bash , 1 day ago
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RE: Heat Pumps Without Grants: Would You Have Installed One & Will You Now?
I'm not so sure. New gas boiler £10...
By Bash , 1 day ago
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RE: Renewables & Heat Pumps in the News
I thought an aircon doubling as a heat pump could do ou...
By Batpred , 1 day ago
