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AndrewJ
@andrewj
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Reputable Member
Joined: Jan 8, 2025
Last seen: Sep 17, 2026
Topics: 12 / Replies: 235
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RE: Why are ASHP installs so expensive?

A not unreasonable position and it wouldn’t be mandatory of course but the onus is then on the customer to educate themselves, a perfectly reasonable ...

1 week ago
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RE: Why are ASHP installs so expensive?

Interesting topic. I do think that installs are overpriced because of the grant and it is coupled to homeowner naivety (forum members don’t fall into...

1 week ago
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RE: 7kW EV Charger Options Advice

@rusty Looks like there’s plenty of room in there for a CU and another Henley block if needed. The current clamp would likely go around one of those ...

3 weeks ago
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RE: 7kW EV Charger Options Advice

I’ve had an EV with wall charger for over 3 years and this is my perspective, in no particular order. Where does your main supply enter the hous...

3 weeks ago
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RE: How Accurate Is My DIY Heat Loss Calculation?

@batpred I suspect it will be more this year. I had 9 months at 15p export and just 3 months at 12p. This year it’s likely to be 12p all the way, al...

3 weeks ago
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RE: How Accurate Is My DIY Heat Loss Calculation?

@kilgorexv definitely a larger inverter will help and more PV will help support your usage in winter - we have 10kW of PV split across east and west a...

4 weeks ago
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RE: How Accurate Is My DIY Heat Loss Calculation?

From experience, I think an 8kW inverter is the smallest worth having depending on household. In winter, the ASHP might pull 3kW or so, an oven heati...

4 weeks ago
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RE: Heat loss calculations

@toodles possibly. The £9k labour charge for 4-5 days work certainly didn’t help.

1 month ago
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RE: Heat loss calculations

Just be aware that Octopus are likely to over estimate the heat loss, as could any other installer. You should have a plan for discussing their calcu...

1 month ago
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RE: Is the "divide by 2900" rule still valid?

@jamespa Thanks James, very helpful. From the proposal and some email threads I've seen, the installer comes over as pretty competent. Obviously the...

1 month ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?

@watcher actually, a picture from inside the living room on a sunny day and cloudy day, at midday, with the shutters open would be very useful. What ...

1 month ago
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