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JulianC
JulianC
@julianc
Member
Honorable Member
Joined: Mar 8, 2021
Last seen: Jan 4, 2026
Profile Activity
Topics: 6 / Replies: 330
AllTopicsReplies
Reply
RE: Hydrotreated vegetable oil (HVO)

@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...

3 years ago
Forum
Wood Burners, Biomass, Small Scale, Biofuels & Other Heating Alternatives
Reply
RE: Hydrotreated vegetable oil (HVO)

@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...

3 years ago
Forum
Wood Burners, Biomass, Small Scale, Biofuels & Other Heating Alternatives
Reply
RE: Hydrotreated vegetable oil (HVO)

@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...

3 years ago
Forum
Wood Burners, Biomass, Small Scale, Biofuels & Other Heating Alternatives
Reply
RE: Is your heat pump insured?

@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...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is your heat pump insured?

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 ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is your heat pump insured?

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...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is your heat pump insured?

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

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Measuring your COP

@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. ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Say hello and introduce yourself

@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...

3 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: Measuring your COP

@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...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Measuring your COP

@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...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Measuring your COP

@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...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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