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Derek M
@derek-m
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Illustrious Member
Joined: Mar 4, 2021
Last seen: Sep 19, 2024
Profile Activity
Topics: 7 / Replies: 4403
AllTopicsReplies
Reply
RE: Wondering why BioGas is not promoted

Hi Mars, When I looked at this when it was first posted, it would appear that the daily production of gas was about enough to cook a meal on a gas h...

5 years ago
Forum
Wood Burners, Biomass, Small Scale, Biofuels & Other Heating Alternatives
Reply
RE: ASHP Install from hell part 1 - the schematic - EXPERTS PLEASE VIEW

Hi Alec, I agree with your sentiments, and I also become frustrated by the inability of so called system designers to follow manufacturers recommend...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: High air source heat pump running costs – Vaillant AroTherm Plus

Hi @webcmg The ladies problem has not yet been fully resolved, to do so may mean alterations to the pipework around the buffer tank. With your pa...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: DHW contributing to space heating?

Hi @transparent Thank you for your explanations. I'm afraid I did not delve into 3 phase balancing requirements, since the majority of the popula...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP Install from hell part 1 - the schematic - EXPERTS PLEASE VIEW

Hi, I think the fact that the motorised valve for the DHW not being connected to the controller may have something to do with it not working correct...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Weather compensation and air source heat pumps

Hi Adam, It is quite simple. If the upper and lower outdoor air temperature settings are say -10C and 15C, then the overall range is 25C. If the...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP Install from hell part 1 - the schematic - EXPERTS PLEASE VIEW

Hi Saf1973, From looking at your schematic it would appear that the water connections are reversed at the ASHP, and of course that would mean that t...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Wind turbines and chimney effect ventilation

Hi Everyone, You may be interested to know that at the moment wind is providing 3.6% of total generation and coal is providing 6.7%. Please checko...

5 years ago
Forum
Wind Generation
Reply
RE: Weather compensation and air source heat pumps

Hi Newbie, Are you still making smoke? I have attached a copy of the spreadsheet. Please read the notes on sheet 1, which should help.

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: High air source heat pump running costs – Vaillant AroTherm Plus

Hi, Did you manage to resolve your problems? Feedback would be welcome.

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Weather compensation and air source heat pumps

Hi, The required water flow temperature varies with the heat loss and hence heat demand. The heat loss is dependent upon the delta T between indoor ...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: DHW contributing to space heating?

Hi, I can now see why an electricity distribution company is getting involved in home heating system, the primary reason, as far as I can see, is to...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
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