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Derek M
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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: 4405
AllTopicsReplies
Reply
RE: Why are heating systems so old fashioned?

As Kev pointed out, the simpler the system, the less there is to go wrong. It would be quite feasible to have control system and equipment similar t...

4 years ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Grant Aerona 10kW ASHP: beginner and really don't understand!

Hi Dawn, Welcome to the forum. Don't apologise for a long post, the more information that you can provide the better. Grant would appear to be 're...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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...

4 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...

4 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...

4 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...

4 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...

4 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...

4 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,...

4 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...

4 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.

4 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.

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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