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Last seen: Jan 4, 2026
@derek-m the grid has decarbonised by 50% in the past 10 years. I’m sure you know better than me. There are only 3 coal power stations. One burns wood...
@editor I’m not sure how you calculate HVO is “greener” than the grid & hence an ASHP? An oil boiler is 85-90% efficient. My ASHP COP in cold wea...
@mjr I totally agree Mr J. HVO might be a very very very short term solution to one or two in the rural community, but electric ASHP or GSHP has to be...
@editor if you remember, it was one of the reasons I chose Daikin over the competition. I have not tested them on an emergency call out, but the servi...
Called my insurance company this morning. Solar PV and new hot water cylinder (Mixergy) covered. Bit of initial confusion on the ASHP as it’s down as ...
Just checked. It’s a bit vague. I will call them on the morning. I think I’m covered thru my service and maintenance contract with Daikin. This is a f...
That’s a very good question and one I’ve never thought of when we had an oil boiler. I will go investigate. Thank you for the prompt
@editor totally agree. It is completely hit and miss finding a good installer. As I said on the interview I did for renewableheatinghub YouTube site. ...
@alistairgbarron welcome. Let me say I’m not a fan of hybrid systems. Too complex. But I understand why they might be necessary. Try turning the radia...
@cathoderay you make a good point. My first class at university was the importance of Units. But I still think it’s down to the heating engineer to pi...
@editor I thought I remembered that Mars. Which circulation pump did they fit? I have a Grunfos Magna 1 variable pump that only consumes 9-151W to...
@kev-m I disagree on the badging issue. Have you seen the way Audi size their cars? 35,40,50 etc just gives a rough indication of the power scale. I s...
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Latest Posts
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RE: Switch suitable to change between two inverter CT's
It depends An unloaded current transformer can output...
By bobflux , 5 hours ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@batpred They offered both, I went with Pro. As an amat...
By baroquebank , 15 hours ago
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RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
@penval, really useful update. After all the discussion...
By Mars , 1 day ago
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RE: Who's your electricity provider and what's your tariff?
@papahuhu I prefer to look at it simplistically. We d...
By Old_Scientist , 2 days ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
D'oh - of course. I shouldn't post before my brain is f...
By Old_Scientist , 3 days ago
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RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 3 days ago
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RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Nothing attached! I have rads but UFH makes the case ...
By JamesPa , 3 days ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 3 days ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 3 days ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 3 days ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 4 days ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 5 days ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 5 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 6 days ago
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