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newhouse87
@newhouse87
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Joined: Mar 15, 2023
Last seen: Aug 16, 2025
Profile Activity
Topics: 1 / Replies: 230
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RE: New ASHP system - choices

@derek-m i have phe in my daikin. It seems to be always 0.1deg higher then lwt. Is that the efficiency issue? I'd imagine most daikin Have them as i...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Performance in the current cold snap…

@iancalderbank Yep mine is near 2 degrees colder when it's running according to reading on my unit. Noticed it few times.

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Performance in the current cold snap…

Down to -6 last night. Yesterday running fixed flow@31 deg I used 29kwh for heating/dhw. Kitchen 22, othere areas 21/20. Running 9am-11pm. Very happy ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Optimal Heat Pump Installation: What You Should Know

I would like installers to balance system and work out curve with which lowest flow temp will keep house@21deg and not just go high flow temp to avoid...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Optimal Heat Pump Installation: What You Should Know

Do you mean loop circuit lengths or just heatpump unit being close to manifold?

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do setbacks save energy without compromising comfort?

@derek-m Dont know, I presume i would have to had lowered ft to 28 which would also increase cycling, was cycling at 2 an hour from 7am to 9pm yesterd...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do setbacks save energy without compromising comfort?

So as predicted i used near 22 (21.9kwh) for the 24hour period compared to just over 13 for the similar weather conditions the previous day, house was...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do setbacks save energy without compromising comfort?

Happy enough with b scenario. major improvement on last winter. If i spend anymore time in heatpump room, ill be sleeping alone.

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do setbacks save energy without compromising comfort?

@jamespa dunno man, i tried lwt@27 and it cycled a lot as rwt gets up to23-25 easy enough. I get what you are saying but reckon the heatpump is restri...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do setbacks save energy without compromising comfort?

So went to bed last night, house at 22 as usual, however kept heating on. House still@22 now, usually following morning it would be 21. I used 9kwh ov...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do setbacks save energy without compromising comfort?

@Jamespa I know it costs 30kwh per day as i monitored it over 3 days24/7 running. That was in colder weather. Its pretty uniform usage when temps simi...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do setbacks save energy without compromising comfort?

For arguments sake i will extend running at 9pm tonight when its due to go off and see what it uses until 9pm tomorrow. I know in these conditions its...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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