Last seen: Feb 14, 2026
Question from me: What are the risks of oversizing an ASHP, and are there ways they can be mitigated? For example, might minimum flow rate be a prob...
I did look at RED - Freedom Heatpumps have some videos on them. I'm a bit wary about this 'designed for the UK climate' thing: I've seen that slogan...
I came across this video: This is the perspective of, shall we call them, 'Big Boiler'. They take the position that they can build hydrogen boil...
It's also worth mentioning that heating in flats is a bit different from houses, because in flats you often have a lot of walls and floors that are he...
Interestingly, I think I figured out that Grant are rebrands of Chofu of Japan - the diagrams in the installation manuals are identical. I'm not fami...
Hi Mark, if you already have a plumbing background I can recommend the training videos from Freedom Heatpumps: Most of what they describe are Monobl...
I too am wondering this question - in this case Grant v Mitsubishi. The installer says Grant 'is the better product' which could be installerspeak fo...
@julianc Absolutely, I'm not really suggesting this as a feasible option for a lot of people. For other thing, the RHI and friends have a list of 'ap...
I posted this on another thread - from Alibaba: 11kW ASHP monobloc - $838 Heat pump water cylinder - $286 Radiator-style fan coil unit - $125 (i...
On costs, I've recently been spending some quality time on Alibaba. Typical examples (clickable links): 11kW ASHP monobloc - $838 Heat pump water...
@derek-m Yes, going for the classic industrial control route is one option. There's a certain merit to hardwiring in valves and sensors and running t...
I can't help but feel this is all a bit primitive. We have a mishmash of control systems all fighting against each other. For example, the heat pump...
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RE: Heat Pump vs New Gas Boiler for Inherited House - Worth the Extra Cost?
Hi @fretless6 Mike, I have experience with Taggas (Re...
By Old_Scientist , 13 minutes ago
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RE: Peak Energy Products V therm 16kW unit heat pump not reaching flow temperature
Hi @bobflux thanks for pointing out the difference in t...
By DaveC , 25 minutes ago
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RE: Daikin Altherma 3 LT compressor longevity question
@bobflux With my limited HA skills I can't ad...
By Ubert767 , 1 hour ago
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Hi all I'm having some trouble with a Grant ASHP and ...
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RE: Underfloor Heating Installation Issues with Heat Pump
I'm going to install Thermacome ACOSI+ radiant ceiling....
By bobflux , 3 hours ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
Now seems a good time to summarise the costs and effici...
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RE: Tell us about your Solar (PV) setup
@mk4 Charge to 100%, discharge down to 10%.
By bobflux , 6 hours ago
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RE: Connecting Growatt SPH5000 over wired ethernet rather than wireless
The simplest wired option is usually the Growatt Ethern...
By Jonatan , 11 hours ago
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RE: Electricity price predictions
@jamespa And it seems some of the nasty public cloud...
By Batpred , 18 hours ago
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RE: Jokes and fun posts about heat pumps and renewables
Technology is rapidly advancing. BBC News reported th...
By Transparent , 22 hours ago
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What matters for flow and pressure drop is internal dia...
By bobflux , 22 hours ago
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RE: Do Fridges and Freezers have COP ratings?
@editor Thank you all for your replies and submitted in...
By Toodles , 1 day ago
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I know and yes. The secondary deltaT wont necessaril...
By JamesPa , 1 day ago
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RE: Designing heating system with air to water heat pump in France, near Lyon
Just love the way you put it! 🤣
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RE: Safety update; RCBOs supplying inverters or storage batteries
Thank you for sharing. So it seems that your Schneid...
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RE: Forum updates, announcements & issues
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RE: Solar Power Output – Let’s Compare Generation Figures
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RE: Setback savings - fact or fiction?
Great, so you have proven that MELCloud is consistently...
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RE: Mitsu PUHZ120Y 'Outdoor Temp 'error?
Thanks David & James It almos...
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RE: Surge protection devices SPDs
@trebor12345 - your original Topic about the right type...
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RE: Help needed with Samsung AE120RXYDEG
@tomf I’ve been sent this from a service engineer at Sa...
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RE: Buying large amp bidirectional RCD and RCBO
Yes... I went through this particular headache and ende...
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O-oh! Let's take this as an opportunity to 'pass the ...
By Transparent , 4 days ago

