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Last seen: May 24, 2026
@lucia It would be interesting to know the volume of your system and typical flow temperature. Bob
Hummm......larger system volume would have more energy stored in the water so the bulk average water temperature reduces less when the defrost cycle h...
This is a very complex problem. I know with a gas boiler increasing the flow temperature makes the device burn more gas, but how does a heat pump ma...
Hello, TL;DR I think you have the weather compensation set too high at low OAT, try dropping the upper setting to 50C. I've been going over the d...
oh that's a shame. I was hoping I could learn something about the minimum duty your system can handle so I can optimise my design for low duty operat...
Thank you for the quick reply. I thought I saw you mention you had a plate exchanger in your system, which is why i asked if you had a drawing. Do y...
Hello there, I'm new to the forum. I see that cathodeRay has made many posts about his Midea ASHP does not seem to behaving properly, there are sever...
Mars hello there. I plan to go air to water and then into a home made HVAC air filtration "thing". I'm not really sure how it's all going to go toge...
Hello, new member here. I'm about to start my ASHP journey by using one to heat my garage/workshop space, I thought this might be a good place to st...
Latest Posts
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RE: Rate the quality of your heat pump design and installation
@trebor12345… thanks for sharing! Really valuable info ...
By Mars , 16 minutes ago
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RE: The Reality Behind a Failed Heat Pump Installation – and an IWA Insurance Rejection
@batpred spot on.When a consumer agrees to an insurance...
By Mars , 18 minutes ago
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RE: Indevolt Batteries UK Support & Info Thread
@editor thank you. Yes I'm prepared to wait. Don't need...
By iRadiate , 27 minutes ago
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My pleasure, @davidalgarve. In fact, I posted a thread ...
By Majordennisbloodnok , 1 hour ago
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@jamespa I am all for pre engineering… Would I be ...
By Batpred , 2 hours ago
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RE: Who Actually Owns a Heat Pump in Britain? We Asked. Here Is What We Found.
I am getting my house ready for a heat pump. In the las...
By Fred Gray , 3 hours ago
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RE: Cooling with air to water heat pumps
On the two huge (10m² each) south facing windows I inst...
By bobflux , 6 hours ago
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RE: GivEnergy inverter tripping due to over-voltage?
@transparent I don't think Axle have any involvement...
By Tim441 , 7 hours ago
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RE: Rural burning – I've had enough
Same here in Finland. It's strictly forbidden ...
By upnorthandpersonal , 1 day ago
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RE: Renewables & Heat Pumps in the News
Something worth flagging... we've just published a news...
By Mars , 1 day ago
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RE: Renewable Heating Hub Homeowners' Q&A Podcast
The Homeowners' Q&A podcast is back... I've changed...
By Mars , 1 day ago
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RE: Anyone concerned about GivEnergy?
I have already signed up with Axle so yes, that takes c...
By KevH , 1 day ago
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@batpred Would it pass the airbnb feedback test no. I...
By EtchedPixels , 2 days ago
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A quick update... we've just launched the beta version ...
By Mars , 2 days ago
