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Derek M
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Derek M
@derek-m
Member
Illustrious Member
Joined: Mar 4, 2021
Last seen: Sep 19, 2024
Profile Activity
Topics: 7 / Replies: 4405
AllTopicsReplies
Reply
RE: High temperature heat pumps

@alphabeta The first thing that I would say is 'don't get carried away with your present solar generation, you will get nothing like that amount in ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: What has happened?

Yes it worked. Thank you.

3 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: What has happened?

Until the recent changes, if I clicked on the link shown in my Yahoo e-mail it would open the RHH website and take me to the selected post. Now some o...

3 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: What has happened?

@editor Software can be changed to make it more secure, but it is not necessary to change the screen layout and functionality. Now instead of taking...

3 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: Ecodan 14kw - DHW COP

@hjd If you have a solar PV system, you should either install a power diverter to produce hot water, so that you do not need to run your heat pump a...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: What has happened?

@morgan I remember reading a quote from a Roman General who stated "When everyone is used to a system, then that's the time to change it". Personall...

3 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: Electricity price predictions

@transparent It is about time the standing charge was abolished, particularly since it is so unfairly applied and gives no incentive to reduce consu...

3 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Electricity price predictions

@kev-m I think that this concerns the fixed rate contracts with some of the renewable generators. If say they are guaranteed a payment of £100/MW, b...

3 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Ecodan help

Hi Mike, I think that you will find that flow and curve relate to the central heating control, not DHW. If you have a copy of the 72 page manual f...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Solar Thermal as a pre-heater for a heat-pump

@transparent GSHP's are more efficient than ASHP's, certainly during the heating season, because they have a more constant energy source at about 8C...

3 years ago
Forum
Solar Thermal & Power Diverters
Reply
RE: Any Vaillant experts able to help with setup

If my memory serves me well from when I read through the Vaillant manual quite a few months ago now, the 6kW Booster or Backup Heater (I can't remembe...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Solar Thermal as a pre-heater for a heat-pump

My idea was to try to develop a system that is an add-on, and does not require any form of modification to the heat pump itself. The objective was als...

3 years ago
Forum
Solar Thermal & Power Diverters
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