Efficient Cool Box

[Tumshie]

4 minutes ago, CompairHolman said:

You can get cool boxes for free , they are used in chilled food packaging, fishmongers throw away loads of them. You buy them for peanuts anyway.

 

Is that box 100% polystyrene/styrofoam?

 

[CompairHolman]

4 minutes ago, Tumshie said:

Is that box 100% polystyrene/styrofoam?

 

Yep.

[rusty69]

Another idea for the pot. Shamelessly stolen from carlt in another thread

 

https://www.amazon.co.uk/Dometic-Combicool-RC2200-Portable-Absorption/dp/B003Y41OX6

[Sea Dog]

18 minutes ago, rusty69 said:

Another idea for the pot. Shamelessly stolen from carlt in another thread

 

https://www.amazon.co.uk/Dometic-Combicool-RC2200-Portable-Absorption/dp/B003Y41OX6

Thanks Rusty, that's opened up a new area to explore, although it's up a notch in the price bracket.  That link also reveals compressor cool boxes in that price range, although the Dometic ones are double in price. Mind you, even compressor ones are quite heavy on the juice, approaching normal 12v fridge draw.  I've already suggested the Icey-Tek type, but I'll test the waters at this higher budget too. Thanks again.

[CompairHolman]

The smaller you want the fridge / cool box the more they are going to cut back on the insulation and the more power it will draw.  The only way around that is vacuum panel insulation. 

[Sea Dog]

14 hours ago, CompairHolman said:

The only way around that is vacuum panel insulation. 

Do you have an example of this being exploited in a fridge/coolbox for a small boat?