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Last seen: Sep 19, 2024
I take it that you are looking at the red line and not the blue line.
For optimum performance a heat pump should be operated at a low LWT that is consistent with reliable operation. The thermal energy output of a heat ...
If you operate the system as suggested you should not require a volumiser and definitely not a buffer tank. Let me try to explain how a heat pump sy...
If you wish for your system to operate in a more reliable and efficient manner I suggest that you try the following. Turn all the room thermostats t...
I would suggest that you do not get too concerned about controlling the speed of your water pumps. The primary reason to vary the speed of a water p...
What's that saying "measure twice, cut once". I wonder if the 'surveyor' received a promotion to 'manager'?
It is easy to compare the estimated output of different radiators using the calculator I provided. To estimate the thermal energy output of the type...
The standard output capacity of a radiator is specified at DT50, so if the IAT is 21C, the average water temperature would need to be 71C for the radi...
@mellow Is it possible to set this timer to be 'off until 10:00' and then 'on until 14:00'?
@heacol Thank you Brendon, though I would much prefer the information in table format which provides a great deal more detail.
Unlike a number of heat pump manufacturers, Daikin appear reluctant to publish heat pump data tables, or at least I have not yet found any. The prim...
I'm from the old school, I much prefer hanging, drawing and quartering. 😋
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Latest Posts
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RE: Anyone concerned about GivEnergy?
Is there actually any example of something that doesn't...
By JamesPa , 45 minutes ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
@temperature_gradient I've had air-to-air for just over...
By Anne Smith , 3 hours ago
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RE: Home automation and the cloud; is there a better way?
+1 It's not just cloud though. Many devices have repl...
By bobflux , 3 hours ago
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RE: End-of-Life Heat Pumps: How Do You Dispose of an ASHP in the UK?
We've started to document everything, and part 2 of the...
By Mars , 9 hours ago
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RE: Summer usage. Why is my Vaillant Aerotherm using so much energy on "heating"?
So the red bars are 'DHW' and the yellow bars 'heating'...
By JamesPa , 10 hours ago
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Its good kit the Midea and significantly cheaper, you w...
By ASHP-BOBBA , 14 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
Have you tried cutting the grid feed to see what actual...
By JamesPa , 14 hours ago
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Contractors pack for inta antifreeze valves are around ...
By ASHP-BOBBA , 14 hours ago
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RE: Renewables & Heat Pumps in the News
Critics and naysayers will be negative whatever the gov...
By JamesPa , 14 hours ago
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RE: Microbore heat pump installs
In principle you are almost certainly right, but in pra...
By JamesPa , 1 day ago
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RE: Electricity price predictions
@old_scientist We are a low mileage home, so bulk of ou...
By ChandyKris , 1 day ago
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There are just too many unknowns for me to comment on p...
By Transparent , 1 day ago
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RE: What is the main ‘dictator’ of Agile’s unit price?
@toodles I keep an eye on wholesale prices and energy m...
By ChandyKris , 1 day ago
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RE: Brand and installer questions for ASHP
Strange, perhaps it doesnt use modbus which the third p...
By JamesPa , 1 day ago
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RE: Upgrading my system, how far do I go?
For comparison, my PW3 with 11.04kW inverter, will char...
By Old_Scientist , 1 day ago
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RE: Changes to Tesla Powerwall Charging Regime?
Elon gate - legendary! I take my hat off to you @toodle...
By Old_Scientist , 1 day ago
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RE: Mitsubishi Ecodan not good enough ?
Thanks @goody, appreciate the feedback and sorry you ha...
By marcexec , 2 days ago
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RE: Minimum and Zero Disrupt Heat Pump Installations
True (first sentence) Thats the reason to consider th...
By JamesPa , 2 days ago
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RE: High air source heat pump running costs – Vaillant AroTherm Plus
Quite right. I was using a rough guesstimate of doublin...
By Majordennisbloodnok , 3 days ago
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RE: My Grant R290 9kW Heat Pump Installation
Again, really don't know how accurate this is! &nb...
By petch , 3 days ago
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RE: MCS Quality Audit – Has Anyone Had One? Did It Lead to Remediation?
@toodles The whole scheme is a shocking waste of money....
By Papahuhu , 3 days ago
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RE: DIY or Don’t Touch? Solarman Smart Meter Install
Yes, and these guys would probably be my preferred inst...
By Batpred , 3 days ago
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RE: Hot water tank lose heat rapidly on random days
@jamespa Hopefully their reasons are well intended! ...
By Bash , 3 days ago
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RE: Ecoflow UK Support & Info Thread
As mentioned above, we’ve got our full review of the Ec...
By Mars , 3 days ago



