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NJT

@njt

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Trusted Member

Joined: Aug 6, 2024
Last seen: Jan 5, 2026

Topics: 2 / Replies: 57

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RE: Starting our heat pump journey in 4 bedroom house (possibly)

I'm similar to you, 4 bed, 6.1 solar, 6.4 battery. I went with Octopus with 8kw heat pump. £2250 after grant. I've looked into increasing battery...

1 year ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Solar Performance

January with 6.1kWp system was 213kWh, double that of December. Jan 30th best of 21.3kWh Jan 1st worst of 0.9kWh West Midlands South facing

1 year ago

Forum

Solar Photovoltaic (PV)

RE: Creative trials on Night-time Setbacks to @ faster recovery, improved comfort and even greater energy reductions.

@sunandair Like you say it varies dependant on OAT, but room temperature over the last week it averages 1 around 1.5 Deg drop. This is till 4am w...

1 year ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Creative trials on Night-time Setbacks to @ faster recovery, improved comfort and even greater energy reductions.

@sunandair Yes the -2 takes it off the LWT, and I have the Daikin 8kw Using offset, obviously keeps the heat pump running as opposed to stop/star...

1 year ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Creative trials on Night-time Setbacks to @ faster recovery, improved comfort and even greater energy reductions.

@sunandair I've just recently started using pure weather compensation which is what you seen to be looking for. It's building the same weather c...

1 year ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Solar Performance

108 kW/h solar produced for the whole of December. 10 days of January so far and up to 62 kW/h. The negative in January is it's been almost const...

1 year ago

Forum

Solar Photovoltaic (PV)

RE: Defrost behaviours

ASHP Daikin Altherma 3-8kw House loss? 5431 @ -3.4 Control mode: pure weather compensation Volumiser yes - don't know size No Zoning op...

1 year ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Minimum ASPH outputs?

@toodles Just register again, I waited ages for my mini so registered again and got it about a week later. My 8kw Daikin bottomed out at about 2...

2 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Are Octopuses Slowing Consumer Adoption of Heat Pumps?

@davesoa Thanks. I went direct to the installer, maybe that was the difference? Did you go through the heat geek website?

2 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Are Octopuses Slowing Consumer Adoption of Heat Pumps?

@davesoa I was led to believe the survey was non refundable but would be taken off the cost if you went on to have it fitted with them? I eventuall...

2 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Heat pump monitoring - what are you using?

@cathoderay Thanks. Yes I use a windows laptop, bought a raspberry pi 4 to install Home Assistant recently which is another learning curve. Th...

2 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Heat pump monitoring - what are you using?

Back to the monitoring, I've just ordered the kit for the ESPAltherma hook up. I've no idea into any computer programming but I'm a willing learn...

2 years ago

Forum