RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S

@jon - I'm finding this particularly difficult to follo...

By Transparent , 47 minutes ago

RE: 7kW EV Charger Options Advice

I had only a granny charger for the first two years of ...

By JamesPa , 55 minutes ago

RE: Solar Power Output – Let’s Compare Generation Figures

@tim441 Yes, I too am waiting for V2H before I get an E...

By Papahuhu , 1 hour ago

RE: Next steps on my ASHP journey: Radiators and Pipework

Post by: @old_scientist The first thing I would say ...

By Rob of York , 4 hours ago

RE: Adding additional Solar Panels to a DC coupled battery system

@transparent thank you for your reply above. As alway...

By Old_Scientist , 10 hours ago

RE: How Accurate Is My DIY Heat Loss Calculation?

@kilgorexv definitely a larger inverter will help and m...

By AndrewJ , 2 days ago

RE: Adventures in heat loss calculations

@rob-of-york — thanks for posting this, all very useful...

By cathodeRay , 2 days ago

RE: Surface mount or bury primaries for heat pump installation?

The installation is almost done! I've written up two ...

By tomasmcguinness , 3 days ago

RE: Glass lined Cylinder for private water supply

This has turned into a fascinating little rabbit hole. ...

By Mars , 3 days ago

RE: Switch suitable to change between two inverter CT's

Last winter my battery ,32KWh, could run the house com...

By Jancold , 3 days ago

RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?

Agree with Major. And even if I was very happy with ...

By Batpred , 3 days ago

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

There is another estimator that you could use, a formul...

By Rob of York , 3 days ago

RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.

@penval, really useful update. After all the discussion...

By Mars , 5 days ago

RE: Who's your electricity provider and what's your tariff?

@papahuhu I prefer to look at it simplistically. We d...

By Old_Scientist , 6 days ago