Last seen: Jul 20, 2024
@cathoderay I would suggest you investigate the power requirements of your circulating pumps and subtract that figure from your daily energy in calcs ...
@jamespa Would you kindly but briefly explain the term "degree minutes per day" and how they relate to heat pump running costs. Also why no mention in...
@cathoderay I'd be interested to know if your controller is set to max power, intermediate, or quiet mode. It would be enlightening to understand how...
@dunlorn Given your current observations on your. system I would be very tempted to increase the WC settings on the slave unit 1 or 2 degs higher than...
You required a modeling tool to answer the questions. IAT 10 Avg. 15 20 PI 10644 74262 ...
@abernyte Would this statement apply:- For co-operative societies where the dividend is based on retail purchases of members, the dividend is effectiv...
@allyfish Surely if the water circuit was plumbed incorrectly and water was pumped the wrong way, the flow switch in the heat pump would not be activa...
@alleyfish I would assume that the immersion element (back up heating device) sits slightly higher up in the tank as it plays second fiddle to the hea...
@cathoderay You stated in an earlier post on your other thread, quote "I think the heat loss as the house currently is (I am slowly improving insulati...
@iancalderbank Life is full of hazards.... it's the risks you need to worry about🤔
@iancalderbank as R290 is based on propane (not containing fluorine) I would think that the f-gas regs wouldn't apply.
@iantelescope I believe the short cycling problem would be rectified by increasing the hysteresis value for the RWT sensor. What is the current settin...
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RE: Additional Battery v Wind Turbine v Ripple
I should add, being an investment, the value of your in...
By Old_Scientist , 5 hours ago
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RE: Ecodan - flow rates, sensors, settings
Achieving an accurate flow measurement is probably the ...
By Derek M , 8 hours ago
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RE: Ecodan ASHP - How to optimise my set up?
Again, thank you for another thorough post, @derek-m - ...
By rhh2348 , 10 hours ago
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RE: Delivering a smart and secure electricity system: government consultation
@Transparent.Now that I am represented by a new MP I th...
By IanMK13 , 12 hours ago
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RE: Vaillant aroTHERM plus not level or flat - what base is best under an external unit?
Similar thread here
By Johnmo , 13 hours ago
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RE: VDI 2035 heating water specification
Been looking and it seems a good little project. Ever...
By Johnmo , 2 days ago
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RE: Do I accept an ASHP and Solar Panel retrofit under the HUG 2 scheme?
Will do. I'm currently waiting for another survey / vis...
By dssr , 2 days ago
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The company that did the borehole were expecting us to ...
By Johnmo , 2 days ago
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RE: The Misquote That Ruined the Heating Industry
@abernyte manufacturer training is pretty average. They...
By Mars , 2 days ago
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RE: ECO4 Scheme and EPC ratings
@mellow Thanks. Given there is a scheme requirement to ...
By Old_Scientist , 3 days ago
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RE: Do I just go with the lowest quote for my heat pump?
@jancold To me its a no-brainer then, a max 40C flow te...
By bontwoody , 3 days ago
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RE: Heat Pump Books Beginners – Bodge Buster & From Zero To Heat Pump Hero
@editor Presumably he had some good weather Compensatio...
By Toodles , 4 days ago
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RE: New Vaillant 7kW aroTherm ASHP or oil boiler dilemma/decision??
Storage capacity really is dependent on storage tempera...
By Johnmo , 4 days ago
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RE: HP Cycling, Expected or Undesirable
Just a little update. I ordered a longer shielded twin ...
By bontwoody , 4 days ago
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RE: Domestic hot water timer doing crazy things on my Grant Aerona3 10kW air source heat pump
Thanks @allyfish for the pics and info. Spoke to the in...
By Mellow , 4 days ago
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RE: Aira Heat Pump: Stylish Scandinavian Heating
It's been a busy day for calls and emails from Aira. I ...
By MikeH , 4 days ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
Hmm. A bit of a nuanced answer, methinks. As I've alr...
By Majordennisbloodnok , 4 days ago
Latest Topics
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Ecodan - flow rates, sensors, settings
By rhh2348 11 hours ago
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Replacing mains water with well water
By Johnmo 2 days ago
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Additional Battery v Wind Turbine v Ripple
By bontwoody 2 days ago
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By jamespipe 3 days ago
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VDI 2035 heating water specification
By Johnmo 3 days ago
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Do I just go with the lowest quote for my heat pump?
By Jancold 5 days ago
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The Misquote That Ruined the Heating Industry
By Alec Morrow 5 days ago
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Battery Storage Wiring Gauge Question
By Puff 6 days ago
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