Truma Aventa Compact Plus Roof Mounted Air Conditioner - Cream Heating & Cooling The first (inner) layer is

The first (inner) layer is a softer material which gives extra protection too your caravan

or storage

The frame ensures the annex is tight and strong

It holds the canvas at the correct tension and ensures that water runs off as required

Truma Aventa Compact Plus Roof Mounted Air Conditioner - Cream Heating & Cooling The first (inner) layer isTruma aventa compact plus roof mounted air conditioning system impresses with maximum power in a minimum amount of space. the housing is compact yet boasts 2200 watts of cooling power. this gives it an extra 500 watts of power compared to the aventa compact making it in no way inferior to its younger sibling. easy to retrofit and can be installed in place of a 400 x 400 skylight. includes everything required for a standard caravan motorhome install.