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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: 2 bedroom bungalow with a Daikin ASHP

@littlered Hi LittleRed, Thanks for the photo's, they are excellent. It would appear that you have a 9kW ASHP, which is what I would have expecte...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air source heat pump performance

@justinsb Hi Justin, I'm afraid it is all down to that old saying 'there is no such thing as a free lunch'. Unfortunately, ASHP's suffer from a...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 2 bedroom bungalow with a Daikin ASHP

@littlered Hi LittleRed, Thank you for providing the plans. From the size of your home you should be using a small fraction of the energy you app...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 2 bedroom bungalow with a Daikin ASHP

Hi LittleRed, Heat pumps can be quite efficient when commissioned correctly, though it would appear that is not the case in your situation. If you c...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP in Hampshire

@kev-m Thanks Batalto and Kev, That is highly useful. It does indeed show, as suspected, that the heat loss is not a linear function against ambi...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 2 bedroom bungalow with a Daikin ASHP

@littlered Hi LittleRed, For the time being, I suggest that you set your thermostats at 20C during the day and maybe 19C or 18C at the lowest ove...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP in Hampshire

Hi Batalto, Rather than jumping in and making changes, I find the best approach is to think things through first. Draw a schematic of your system,...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 2 bedroom bungalow with a Daikin ASHP

@littlered Hi LittleRed, Welcome to the forum. If you would like to share some information about your system and home I feel certain that the f...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP in Hampshire

@batalto No worries Batalto, I just thought that you would be getting better efficiency at those water flow temperatures.

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Kev-M's ASHP Performance

Thanks again Kev, The above shows how a few degrees change in ambient air temperature can affect the operation and efficiency of an ASHP.

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Kev-M's ASHP Performance

@kev-m Thanks Kev, The fact that the water flow temperature appears to be reasonably constant when the ASHP is running constantly, would indicate...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP in Hampshire

Hi Batalto, Sorry for the delay in replying. I have read through the Midea manual, and it would appear that you are correct, the water temperature...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
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