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Last seen: May 24, 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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Latest Posts
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RE: How will removing the standing charge on gas bills benefit heat pumps?
@toodles GIGO always stands! My Cosy 6, as you can...
By Watcher , 2 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
@editor Mystery solved to some extent. Need to selec...
By dansus , 4 hours ago
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RE: How much of your renewable and home setup would still work if the internet went down?
Interestingly we had an internet outage about a month a...
By Rob of York , 8 hours ago
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RE: Double or Triple Glazed Windows?
Posted by: @singlespeed With 9 years repairing windo...
By Rob of York , 8 hours ago
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@transparent we’re still running a secure version of PH...
By Mars , 12 hours ago
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RE: How quickly would you want/expect heat recovery to take from setback?
Much longer than that here. The heating isn't even on. ...
By bobflux , 1 day ago
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RE: Passiv Smart Thermostat - Help & Forum Support
Obviously the weather is changeable but there's a defin...
By Singlespeed , 1 day ago
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@rob-of-york I must admit that when we had a Daikin hea...
By Toodles , 1 day ago
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RE: Forum updates, announcements & issues
Get the Renewable Heating Hub heads-up on WhatsApp. I...
By Mars , 1 day ago
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RE: Safety study for plug in batteries out to tender - looks like Q3 2027 at best before legal
@editor I pointed out to the one of the Fuse execs that...
By dansus , 1 day ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews As well as loft insulation, there are othe...
By Rob of York , 1 day ago
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RE: BT cuts you off, Plusnet blames Openreach... welcome to “seamless” broadband switching
Both of which (in most cases) use Openreach for the las...
By JamesPa , 1 day ago
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RE: Renewables & Heat Pumps in the News
Yes, this is a swiss and german standard I believe, Vai...
By Batpred , 2 days ago
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RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
@editor FWIW my problem was resolved, eventually, after...
By BigFish , 2 days ago
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