Last seen: Oct 13, 2025
Whoa. Is it also used for heating? If so then it needs to be sized to meet your heating demand. Also beware, some low output heat pumps are simply ...
Yes but... it can only modulate so low. If the demand is less than the min modulation the water temperature will overshoot(heating)/undershoot(coolin...
Your short cycling is occurring because the heat pump can't modulate down enough to match the demand. If you increase the system volume as suggested...
Without a survey their only source of data is probably MCS. We know what they are like!
@realevil Fwiw I have the 7kW model with which I'm, very happy. There is a 'warts and all' review on this forum, written by me. It's not perfect, ...
I couldn't agree more. This is a case where you buy as little as possible unless it's taking you in the long term sensible direction which imho and b...
@cleardene-ashp Thinking about this the worst case scenario, should the existing system not be repairable, is very probably: plumb the DHW to the ...
Latest Posts
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RE: Heat loss calculations and how they work in conjunction with heat pump sizing
That doesn't make much sense. HA can be implemented wit...
By Majordennisbloodnok , 8 seconds ago
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RE: Anyone still weathering it out with Agile?
We are still on agile and it works ok'ish to charge the...
By Batpred , 7 minutes ago
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RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
Have e-mailed RHH to get more detailed information abou...
By plasfron , 9 minutes ago
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RE: Midea ASHP – how to set weather compensation
If I were in your shoes I would absolutely want to get ...
By JamesPa , 16 minutes ago
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RE: Are We Sleepwalking Into Another Race to the Bottom?
After publishing this piece, I wanted to put the ZeroDi...
By Mars , 20 minutes ago
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RE: Battery storage to run Heat Pump.
I doubt that anyone would want to run batteries made of...
By Transparent , 46 minutes ago
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@papahuhu I did try Smart+ during the first 2 years but...
By Toodles , 50 minutes ago
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RE: Isolating the system for a planned power cut
This would mean a lot more to us if we could see photos...
By Transparent , 2 hours ago
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RE: New Fogstar 15.5kWh upright solution
Ah... now I can see a photo,and that changes the advice...
By Transparent , 3 hours ago
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RE: Who has a V2G EV installation
I appreciate that it is very likely to cause confusion....
By Batpred , 3 hours ago
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RE: What’s the modern take on advised types of insulation?
I suppose Green indeed... 😁 And everybody has...
By Batpred , 3 hours ago
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RE: Say hello and introduce yourself
The cylinder is there because heat pumps are 'low and s...
By cathodeRay , 4 hours ago
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RE: Heat Pump Installers: Competence, Illusion and the Hard Truth Homeowners Must Face
I couldn't agree more. We stuck with one particular g...
By Majordennisbloodnok , 5 hours ago
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RE: Renewables & Heat Pumps in the News
That's an important point for this entire topic: Renewa...
By Transparent , 5 hours ago
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RE: Ecodan Energy Monitoring Pack
Even large pumps can be on 16 amps single phase, so the...
By Batpred , 6 hours ago
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RE: PV Panels on roof in Conservation Area
I also live in a conservation area in Derbyshire. I sim...
By Morgan , 8 hours ago
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Yes, I did mean graduates, but not just in physics. Q...
By Transparent , 20 hours ago
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RE: Radiator sizing for heat pump installation by British Gas - are these correct?
You are spot on. I don't know TBH as I don't have ...
By JamesPa , 24 hours ago
