BigAl

Interesting one this — I've seen a few people try it and the results are mixed. Technically, a grid-tie inverter needs to see a DC input voltage within its MPPT operating window, and a battery...

Did this on my static van's utility room extension a couple of years back — timber frame, basically the same principle. Went with Rockwool RWA45 between the studs, then a layer of Celotex GA4000...

@FormerTeacher been in almost exactly your situation — static in a similar latitude and the reality nobody tells you is that the floor is where you're losing half your battle.

Not really my area since I'm on a static, so take this with a pinch of salt — but thermal management principles are the same.

Worth adding from a static caravan angle — chest freezers are surprisingly efficient once they reach temperature.

The chalk issue is brutal isn't it. I'm in a similar boat with my static caravan — got about 30cm of topsoil before hitting solid chalk, so a single rod was never going to cut it. What worked for...

The compressor peak draw thing is exactly why I've ended up with a Fogstar 40L in my static—sits nicely at around 35-40A worst case, and the battery bank's sized to handle it without drooping the...