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Judith

@judith

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Noble Member

Joined: Nov 28, 2023
Last seen: Dec 14, 2025

Topics: 3 / Replies: 442

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RE: 4 port buffer tank connections

@iraknic the connection diagram you provide looks very like it might be A cause (not necessarily the only one) of your poor performance. My reasoning ...

11 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: GivEnergy 2025 forthcoming batteries and inverters

I’ve had no personal performance issues with our 9.5kWh battery at all. It chugs along nicely doing its job. BUT although GE routinely say their pro...

11 months ago

Forum

Energy Storage

RE: Heat pump quotes: Advice needed

@benson my problem was finding out that it was a Midea and I’d started to read the issues that some people had. I realise that other manufacturers als...

11 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Replacing Worcester oil boiler with an ASHP

@julianc 190m2 and not done a full year yet on ashp. Annual gas usage ~17,000kWh but efficiency unknown. We’ve used the wood burner a similar number o...

11 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Widespread failure of insulation installation

Some of these documents on moisture control

11 months ago

Forum

Insulation

RE: Replacing Worcester oil boiler with an ASHP

@julianc so far in January we’ve achieved 3.8 energy efficiency. Really pleased but we’ve not not a calibrated heat meter only the Vaillant prediction...

11 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Heat pump quotes: Advice needed

I was looking for the link about what heat could go down each microbore pipe. But I’ve been beaten to it. Your heat loss document should give the loss...

11 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Heat pump quotes: Advice needed

In no particular order some thoughts:- Clivet is a badged Midea and personally I wouldn’t have one given me. Since a Heatgeek trained installer sa...

11 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: 8.2kW GivEnergy

On your first point @rosst your best best is to start with your installer, the manufacturer and dedicated forums possibly on Facebook for your type, s...

11 months ago

Forum

Energy Storage

RE: Vaillant Arotherm ASHP gets noisier when it gets colder outside

@jamespa ours (without a noise issue) was installed in September. I too recall reading the firmware is in a hardware (not-remote programmable) chip an...

11 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Is My Midea Heat Pump Inherently Defective?

@cathoderay digging into further dirty details are your fully open trvs suitable for bidirectional use or are they your secondary constriction?

11 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Vaillant - Downstairs radiators not getting warm

@samiebon1 When adjusting lockshields its worth bearing in mind that some have a tiny range over which the adjustment makes any difference. S...

11 months ago

Forum