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Last seen: Oct 1, 2025
@johnmo It appears you do not value expertise or experience. Do you put your own fillings in your teeth? I think not, you pay an exorbitant rate for a...
All 3 drawings are hydraulically separated and are all buffer tanks. The third does not show a pump in the heat pump, which there has to be one, or wa...
@ecobaker Your system volume will be fine, just make sure you get the right flow rate with all TRV's open and at least 8 l/min with all closed. Leavin...
Hi It does not matter which side the pump is on, it is a circuit. You must however make sure that you have enough open zone system volume and flow. ...
@derek-m So would we all, but beggars cannot be choosers 😀
@lucia In my view, the Daiken is a better unit as it controls the Delta T of the heating water (The Vaillant does not ), and the controller is very mu...
@derek-m Daiken capacity charts
@jamespa If flow temperature was the only variable, you may have a point, however, there are tens if not many hundreds of variables that need to be ta...
I will give you a clue and only 1 of many reasons, for every 1 Degree you move the flow temperature up from source (outside temperature), you add betw...
@JamesPa Do you tell your surgeon where to cut? I think not, however when things go wrong, and if they did listen to you, they would still get the bla...
You are correct, the house was 100% under floor heating so no emitter changes, just redesigned and modified for correct operation. For the customer, ...
Please do not believe any SCOP figures, they are calculated laboratory figures and bear absolutely no resemblance to real life whatsoever. If you have...
Latest Posts
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As someone that has leveraged and invested based on the...
By Batpred , 21 minutes ago
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RE: GivEnergy inverter tripping due to over-voltage?
I think we need a bit deeper discussion on that observa...
By Transparent , 31 minutes ago
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RE: Cooling with air to water heat pumps
Very sensible Unfortunately I fear that's too simple...
By JamesPa , 2 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
Good morning. I just came across your website. Was ho...
By iRadiate , 8 hours ago
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RE: Failed Heat Pump Install: IWA Claim Rejected
Many of the estimates we received mention IWA and RECC....
By Batpred , 19 hours ago
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RE: Rural burning – I've had enough
Same here in Finland. It's strictly forbidden ...
By upnorthandpersonal , 19 hours ago
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RE: Renewables & Heat Pumps in the News
Something worth flagging... we've just published a news...
By Mars , 19 hours 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 , 20 hours ago
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RE: Anyone concerned about GivEnergy?
I have already signed up with Axle so yes, that takes c...
By KevH , 21 hours ago
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@batpred Would it pass the airbnb feedback test no. I...
By EtchedPixels , 1 day ago
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A quick update... we've just launched the beta version ...
By Mars , 2 days ago
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RE: Who Actually Owns a Heat Pump in Britain? We Asked. Here Is What We Found.
The age part doesn't surprise me - only 25% of UK home ...
By EtchedPixels , 2 days ago
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RE: Home automation and the cloud; is there a better way?
Nothing you've said there, @etchedpixels, is something ...
By Majordennisbloodnok , 2 days ago
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I've heard from others living in the vicinity of Derril...
By Transparent , 2 days ago
