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SUNandAIR
SUNandAIR
@sunandair
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Noble Member
Joined: Dec 30, 2022
Last seen: May 21, 2025
Profile Activity
Topics: 5 / Replies: 490
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RE: Creative trials on Night-time Setbacks to @ faster recovery, improved comfort and even greater energy reductions.

The colder it gets the More energy is saved! We have at last managed to trial a 24 hour continuous operation of our heat pump at sub3degC. This means ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Why are heat pumps so hated?

Is it because most new owners never feel in control of their state of the art heating system? Is it because the latest smart thermostat just becomes a...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Electricity use for heat pumps - comparing homes and consumption

Hi @glpinxit your reply to @skd is very enlightening. Am I right in interpreting your numbers in brackets? For example “Nov 399 KWh (442)” Is th...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Electricity use for heat pumps - comparing homes and consumption

To help qualify our OKish performance... There have been improvements we have done in an attempt to help maximise our efficiency. These include: W...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Electricity use

I might almost have just copied @gary s figures with some small differences. Ours is a 4 bed old house,180sq mtrs, no u/f heating just 16 radiators...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Creative trials on Night-time Setbacks to @ faster recovery, improved comfort and even greater energy reductions.

The results of our trials: There were 4 continuous 24 hour trials which coincided with 4 different outside ambient temperatures. These temperatures w...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Creative trials on Night-time Setbacks to @ faster recovery, improved comfort and even greater energy reductions.

In summary the purpose of these trials have been to see if there are any energy savings in having an automated setback over a 7 hour period of night t...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan ASHP - How to optimise my set up?

Where is your circulator pump located in the circuit? Is it positioned on the Primary Flow or the Primary Return? Do you have a Mitsubishi pre plumbed...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan - optimal external installation?

hi SKD, What model are you referring to please? The R32 only refers to the refrigerant. I’ve posted here the data sheet for the current r32 models a...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Creative trials on Night-time Setbacks to @ faster recovery, improved comfort and even greater energy reductions.

Definition of setback. we have tried different set back temperatures to see what fits our Low mass building. In other words our house warms up quick...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Creative trials on Night-time Setbacks to @ faster recovery, improved comfort and even greater energy reductions.

Hi Ray Looking at your chart you seem to have a stark increase in energy use for only a small drop in outside ambient. IE dropping from 10c to 8c ap...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Creative trials on Night-time Setbacks to @ faster recovery, improved comfort and even greater energy reductions.

@cathoderay Thanks for your observations. I need to correct a chart comment I made on my last post. The pink coloured crosses are December data not Ja...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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