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: Kensa GSHP finally installed - now to start the optimisation process
Just had a quick scan of the manual and should be weath...
By Johnmo , 11 hours ago
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RE: Potentially more choice including air to air heat pump grants
Hi all, I agree, the consultation documents are alway...
By madbilly , 12 hours ago
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RE: Commencing on an ASHP Installation Process
I think those are pretty much the standard figures that...
By JamesPa , 19 hours ago
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RE: Load Compensation and Weather Compensation
I think that maybe what the adia thermal system does, b...
By JamesPa , 19 hours ago
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RE: Enabling WiFi: Samsung ASHP on Smart Things App
@old_scientist @profzarkov thanks to you both for the v...
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RE: Nibe F2040 periodic warm water increase fails
@tribol here's an official reply from NIBE on your case...
By Mars , 21 hours ago
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RE: Antifreeze top up for my heat pump - is this a rip off?
Hi guys, let’s keep this thread focused and constructiv...
By Mars , 24 hours ago
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RE: Vaillant & OVO partner up to offer Heat Pump Plus
@ecodan-efficiency On the other hand, the fact that the...
By Richard24738 , 2 days ago
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RE: How accurate was your heat loss survey?
@scalextrix for our house 1950s detached the air leakag...
By Judith , 2 days ago
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RE: Air Changes per Hour - ACH and the MCS requirement
@matwin If you plan to commission one it might b...
By JamesPa , 3 days ago
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RE: Jokes and fun posts about heat pumps and renewables
In a similar vein, this recent spell of sustained good ...
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RE: Home energy storage & battery register
By the end of next month... 8 kW PV + Tesla Powerwall...
By Algienon , 3 days ago
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RE: Various different approaches to battery storage.
I thought I'd share my story/journey and experiences he...
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RE: Renewables & Heat Pumps in the News
Here on the Forum we're going to need to be increasingl...
By Transparent , 4 days ago
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What I Wish I Knew Before Installing a Heat Pump
I’m putting together the next Homeowners Q&A episod...
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RE: Planning Update: 1 Metre Boundary Rule for Heat Pumps Has Been Scrapped
In Scotland they still follow the MCS rules, so the noi...
By Johnmo , 4 days ago
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RE: Getting the best out of a heat pump - is Homely a possible answer?
@johnmo and @benson Thanks! I was aware there was a p...
By MarcT , 4 days ago
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RE: Is your heat pump insured?
My insurer just asks the question: "Is your home heated...
By AndrewJ , 5 days ago