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DREI
DREI
@drei
Contributor
Estimable Member
Joined: Aug 18, 2025
Last seen: Dec 28, 2025
Profile Activity
Topics: 2 / Replies: 78
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Reply
RE: GivEnergy 2025 forthcoming batteries and inverters

One thing worth noting with GivEnergy, in comparison to all other batteries, GiivEnergy allows suppliers to lock out the user indefinitely. Where PW3 ...

2 weeks ago
Forum
Energy Storage
Reply
RE: Tesla Powerwall – More of a ‘Luxury’ Than an ROI Winner!

  I know this is pretty old, but wanted to double check something as it is very important for battery upgrades. Did you had the Heat Pump insta...

2 weeks ago
Forum
Energy Storage
Reply
RE: Solis S6-EH1P8K-L-PLUS – Why I Chose It and What I’ve Learned So Far

Just wanted to add something to this in regards to Octopus OIF and GivEnergy, which was the only reason I got the GivEnergy System, but now they expan...

2 weeks ago
Forum
Energy Storage
Reply
RE: Why Millions of UK Homes Struggle With Heat Pumps

Another issue is the insulation of British Homes by the builders. Some cut corners to save money, because there is no penalty, nor will a new buyer st...

1 month ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Help me keep the faith with my air source heat pump installation

Sorry to ask a silly question, but how to you actually balance your radiators?

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My experience with 3 heat pump surveys: Heat Geek, British Gas & Octopus

It would explain the difference between different heat loss assessments, so the person doing it, will most likely be either accurate enough, or overes...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My experience with 3 heat pump surveys: Heat Geek, British Gas & Octopus

I wanted to provide an update in regards to the insulation visit today, which may prove relevant to heat loss assessments. He used cameras to look i...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Radiator Sizing Dilemma: Vertical vs Type 33 for Low-Temperature Heat Pump Systems

  That's my main concern too. On top of that, I had someone come over today to check the insulation on this 2004 property. We looked inside the...

2 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Radiator Sizing Dilemma: Vertical vs Type 33 for Low-Temperature Heat Pump Systems

    Would you say try and specc each room by around 10% to 20% uplift and if not possible make it up in other areas? With us, the whole ...

2 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Radiator Sizing Dilemma: Vertical vs Type 33 for Low-Temperature Heat Pump Systems

  Yep that's it, but the current design would require either tall vertical 2000 or 2200 mm K2 rads, or larger 900 mm tall K3. I was just wonder...

2 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Radiator Sizing Dilemma: Vertical vs Type 33 for Low-Temperature Heat Pump Systems

  I guess you didn't see my original post and the article 😋 😉. I have a pretty accurate maths formula that can churn out the re...

2 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Radiator Sizing Dilemma: Vertical vs Type 33 for Low-Temperature Heat Pump Systems

    Floor plans with radiator and heat pump locations and the doors stay open, the kitchen doors are kept about half way open, to allo...

2 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
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