Last seen: Jan 6, 2026
Why do buffers get such a bad press? They aren't evil, they're just not properly designed. I buffer should hold a volume of heat and absorb swings ...
@JamesPa OK, I'll give it a go (no promises), point me in the direction of what you're trying to solve. Edit: Just had a thought, one technique I u...
@cathoderay Ah OK, sounds like an interesting way to observe heat loss. I didn't mean to step on people's toes. I'm looking forward to seeing more d...
Heat transfer through objects can be determined by the equation: Q = U.A.DT Q = Energy transfered, kJ U = Heat Transfer Coefficient, kJ/m2/C A...
A slight distraction: But just to show what high temperature heat pumps can really do! Bob
Ah....yes, sorry. The spreadsheet is actually a generic calculation. My comment "the ASHP power at 12kW" was me trying to say "I've limited the inpu...
I find myself hoping for cold weather and more data 😉 Bob
Yeh...those are them 🙂 Bob
@transparent Yes, all those reasons crossed my mind when I was designing the original system. To answer your original question, please see the attac...
@cathoderay It's great your house is now getting too warm, we're making progress. It looks to me as though the average ASHP power is higher with the...
Sure, here's bunch of pictures. The plate exchanger is shoe horned into the back of the airing cupboard, it's not easy to get photos of. ...
@Transparent it's an interesting proposal. I don't think the energy balance quite works. The radiators and hot water tap remove energy from the sys...
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RE: Peak Energy Products V therm 16kW unit heat pump not reaching flow temperature
You are absolutely correct that the capacity table MUST...
By JamesPa , 6 minutes ago
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RE: Heat Pump vs New Gas Boiler for Inherited House - Worth the Extra Cost?
@fretless6, where are you based? I might be able to con...
By Mars , 58 minutes ago
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RE: Underfloor Heating Installation Issues with Heat Pump
I'm going to install Thermacome ACOSI+ radiant ceiling....
By bobflux , 2 hours ago
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Issue with a Grant Air Source Heat Pump & Tado Smart Thermostat
Hi all I'm having some trouble with a Grant ASHP and ...
By Renewables345 , 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...
By benson , 3 hours ago
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RE: Tell us about your Solar (PV) setup
@mk4 Charge to 100%, discharge down to 10%.
By bobflux , 4 hours ago
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RE: Daikin Altherma 3 LT compressor longevity question
This mess is intriguing: I wonder if this represent...
By bobflux , 5 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 , 10 hours ago
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RE: Electricity price predictions
@jamespa And it seems some of the nasty public cloud...
By Batpred , 17 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 , 20 hours ago
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What matters for flow and pressure drop is internal dia...
By bobflux , 21 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 , 23 hours 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! 🤣
By Batpred , 2 days ago
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RE: Safety update; RCBOs supplying inverters or storage batteries
Thank you for sharing. So it seems that your Schneid...
By Batpred , 2 days ago
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RE: Forum updates, announcements & issues
@upnorthandpersonal thanks for the thoughtful, consider...
By Mars , 2 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@mk4 All 21 panels have their own Enphase IQ7a microinv...
By Toodles , 2 days ago
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RE: Setback savings - fact or fiction?
Great, so you have proven that MELCloud is consistently...
By RobS , 3 days ago
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RE: Mitsu PUHZ120Y 'Outdoor Temp 'error?
Thanks David & James It almos...
By DavidAlgarve , 3 days ago
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RE: Surge protection devices SPDs
@trebor12345 - your original Topic about the right type...
By Transparent , 3 days ago
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RE: Help needed with Samsung AE120RXYDEG
@tomf I’ve been sent this from a service engineer at Sa...
By Mars , 3 days ago
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RE: Buying large amp bidirectional RCD and RCBO
Yes... I went through this particular headache and ende...
By bobflux , 4 days ago
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O-oh! Let's take this as an opportunity to 'pass the ...
By Transparent , 4 days ago

