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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: Hot water tanks with inbuilt ASHP !

Hi Bob, This looks quite interesting and would be ideal for those who choose an A2A ASHP rather than an A2W one.

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Looking for a GSHP installer

@editor Because the temperature about 1 metre below ground level is fairly constant in the region of 8C to 10C, if the water is pumped through one s...

4 years ago
Forum
Ground Source Heat Pump (GSHPs)
Reply
RE: SCOP

@kev-m It would be interesting to see the same data for a LWT of 40C.

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Tips on how to conserve energy this winter

@editor Would it be possible to run the pump for 1 hour then switch it off for 1 hour, or alternatively run it during daylight hours when your solar...

4 years ago
Forum
Electricity, Tariffs, Monitoring, Electrics & Providers
Reply
RE: Tips on how to conserve energy this winter

@editor Does the pump actually need to run continuously?

4 years ago
Forum
Electricity, Tariffs, Monitoring, Electrics & Providers
Reply
RE: Solar Thermal as a pre-heater for a heat-pump

@chris-a Thanks for the update, it is always very useful to get feedback, whether suggestions work or do not. Dependent upon the capabilities of you...

4 years ago
Forum
Solar Thermal & Power Diverters
Reply
RE: Controlling dumb thermostat in a smart way?

@squonk I'm afraid my crystal ball is away for repair. Can you reduce the flow rate through that section of UFH?

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Controlling dumb thermostat in a smart way?

@squonk If you have radiators in the room where your indoor controller is situated then throttle in the valve slightly to reduce the flow rate, and ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Controlling dumb thermostat in a smart way?

@squonk It is difficult giving definitive advice without knowing your precise system layout, but it may be that you need to zone the two areas. If ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Controlling dumb thermostat in a smart way?

Hi Luke, Have a look at the Nibe manual and see it there is a specified electrical output for running external water pumps. If not then look for an ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Slow to heat room

That's not entirely true. As a Control Systems Engineer, I know that self tuning controllers have been available for many years, and could be incorpor...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Anyone want to share costs on batteries?

@batalto On power supply units it is often possible to limit the output current. What make is it and what control knobs are on the unit?

4 years ago
Forum
Energy Storage
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