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Illustrious Member
Joined: Jan 20, 2022
Last seen: Aug 25, 2025
Profile Activity
Topics: 16 / Replies: 2434
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RE: ROI on ASHP, Solar PV & Batteries

Thanks for posting those calculations @tim441 Your Topic Title first suggested to me that you were yet to install battery storage...but your tag lin...

6 months ago
Forum
Energy Storage
Reply
RE: Baxi Air Source Heat Pump tips and tricks please

Cathy - you have just become the 'go to' person in your area for others wanting to know more about heat-pumps... ... preferably before they even com...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Baxi Air Source Heat Pump tips and tricks please

mea culpa !

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Baxi Air Source Heat Pump tips and tricks please

If you are to have glycol added to the system, then I question why have also had (relatively expensive) anti-freeze valves fitted. 🤔 The an...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Twin 10kw Grant Aerona Volumiser Tanks using lots of power

I'm puzzled by that. The Sig Energy datasheet indicates that there are two separate 240v power outputs.The one marked "Backup" suggests that it shou...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Baxi Air Source Heat Pump tips and tricks please

Thanks for the photos. That's in the top 10% of external HP installations which I've seen. 🙂 But it still looks like rain could enter thr...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Tomato Energy

Some of them even get elected and then decide energy policy 😥 That depends on whether the decisions are being made on the basis of M...

6 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Tomato Energy

How does their software collect that data? From Smart meters? ... being polled each hour to obtain 'live' data? It's an odd decision to buil...

6 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Heat loss calculators and spread sheets

Yes, most meters (including all Smart Meters) record gas consumption in cubic metres (m³) To convert to kWh... Cubic meters (m³) used x calorific ...

6 months ago
Forum
Safety, Regulations, Tools, Plumbing & DIY Installations
Reply
RE: Twin 10kw Grant Aerona Volumiser Tanks using lots of power

I haven't (yet) done any research on the Sigenstor inverter,but I'm posting a block diagram which is an approximation of your electrics as I've unders...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Twin 10kw Grant Aerona Volumiser Tanks using lots of power

Erm... you mustn't do that! The configuration of the inverter must limit export to the 27A which the DNO Consent states. May I explain why... ...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Twin 10kw Grant Aerona Volumiser Tanks using lots of power

That's going to depend on the nature of your contract with the architect. For a new-build, it's usually the case that it is given an Architect's Cer...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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