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Old_Scientist
@old_scientist
Member
Reputable Member
Joined: Jun 16, 2024
Last seen: Mar 4, 2026
Profile Activity
Topics: 6 / Replies: 352
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Reply
RE: PV export revenue and HMRC

Agreed, and the current direction of travel appears to be to move some of the levies on electricity into general taxation, which whilst it will help r...

3 weeks ago
Forum
Solar Thermal & Power Diverters
Reply
RE: PV export revenue and HMRC

We are in the same boat - I expect that our export payments will exceed £1,000 on the IOF tariff, but I am confident we are covered by the S782A tax e...

3 weeks ago
Forum
Solar Thermal & Power Diverters
Reply
RE: PV export revenue and HMRC

The relevant guidance in HMRC's tax manual is here: I assume that most home owners will be exempt under the following exemption. I quote below in...

3 weeks ago
Forum
Solar Thermal & Power Diverters
Reply
RE: Volumiser required on Grant R290?

Our 12kW Samsung heat pump install would have a system volume without volumiser of ~140L and our installers still included a 50L volumiser bringing to...

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Setback savings - fact or fiction?

Absolutely agree with everything you've said, but there is also a massive risk of increasing condensation and mould issues if the internal wall insula...

1 month ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Electricity price predictions

If only electricity prices could experience a market crash or a lost decade.  

1 month ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Electricity price predictions

And perhaps even more importantly having the flexibility to adapt to any future changes in electricity pricing and export rates etc gives you the abil...

1 month ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?

I checked the details of the "heating cover" package and the repairs to the "heating and hot water system" doesn't actually include the heat pump. Tha...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Setback savings - fact or fiction?

There is a detailed analysis of a defrost cycle for a Samsung heat pump here that may be of interest.

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is my Samsung gen6 outside air temp sensor missing a sheath/sleeve?

@papahuhu Yes, good information is often hard to find, but Samsung have made some information publicly available. Sarah Hanson (a Samsung owner) wrote...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is my Samsung gen6 outside air temp sensor missing a sheath/sleeve?

It doesn't use that sensor directly to detect frosting - it uses an internal sensor that measures the refrigerant temperature leaving the EEV at or be...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Reliable, easy to use home battery options

We have a Tesla Powerwall 3 and Samsung 12kW heat pump, and we are on the Octopus Cosy tariff. Our highest usage this winter was around 45kWh and we...

2 months ago
Forum
Energy Storage
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