Last seen: Apr 7, 2025
Hummm....this depends on the type of compressor. For a typical positive displacement compressor (think medical syringe moving backwards and forwards...
@transparent that's a great diagram to share, it shows the design trade off that go into system specification. Suppose we required 4kW of power to ...
This thread is great! What do people mean by efficiency? It's a word that's often quoted in relation to heating systems, but do people really under...
@jamespa please can you share the details of the fan coil you used. Thanks Bob
@cathoderay you're very welcome. If your living room radiator got warm when you had the system balanced with the lock shield valves pinched in then ...
I was wondering how you were getting on. Are the pipes to living room radiator in a concrete floor? Do they have insulation? You're probably loosin...
An old thread, but please can the default subscription setting be set to "none". My email inbox is rapidly filling up with spam from this forum. I h...
Just dug this up with google A properly designed buffer vessel shouldn't be impossible to achieve. Bob
So, I'm thinking out loud here - this is a way I often approach solving complex problems: I've got a house at 10C and I turn on the heating. Where ...
I don't own a heat pump, unless you count a fridge freezer. But it does appear as though the defrost operation of ASHPs isn't often spoken about. It...
Yeh, I did really didn't I. Regards Bob
Evening...I got the spreadsheet. Blimey, there aren't many people I know who know how to use named ranges - very nice 😉 It'll take me a while to g...
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RE: My DIY Heat Pump installation
Its what ive used. I know some people choose ones which...
By bontwoody , 3 minutes ago
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RE: Jokes and fun posts about heat pumps and renewables
Did @mark-hall really just say that?! 🤯 He drop...
By Mars , 56 minutes ago
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RE: Grant 13kW Aerona3 - issues getting zones to temp
Oh completely, he even said without the hydrau...
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We privatised electricity (back in the 80s I think) so ...
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RE: Electricity price predictions
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RE: Midea ASHP – how to set weather compensation
I can't do it for a Shelley device, but I can for Eastr...
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RE: Help me keep the faith with my air source heat pump installation
There is no such thing as a silly question! @toodles ...
By JamesPa , 8 hours ago
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RE: UFH downstairs and radiators upstairs balancing question
Isn't this a great example of KISS!
By JamesPa , 8 hours ago
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RE: Who has a V2G EV installation
Would that be a Chint RCD perhaps? Have a look at thi...
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
11.2kW Ecodan Manufacturer: Misubishi Model: PUZ-WM...
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RE: Homely asking about Solar Panels.
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RE: Mediation with RECC, what's your experience?
@editor Thank you, I really appreciate it! I've made ...
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RE: Installer Fitted 9kW Instead of 11kW Heat Pump and Changed MCS Paperwork - What do I do?
Are you able to post a photo of that 180-litre cylinder...
By Transparent , 1 day ago
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Renewable heating and renewable energy are very jargon ...
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Agreed. It doesn't take all that much maintenance to ke...
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RE: Oil Boiler & Heat Pump Hybrid System
OK. Got it. As a fellow rural West Country resident, ...
By Transparent , 1 day ago
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RE: Flexi-Orb Heat Pump Scheme: A Game-Changer for the UK's Heat Pump Industry
Ok so that seems to be the key point namely only mcs ca...
By JamesPa , 2 days ago


