Heating System

I did loads of research into heating systems. We’ve ended up with a bit of a complex arrangement based on the sort heating system we’re planning for our house.

The heat source will be a Webasto Diesel Fuel Burning heater supplied directly from the main tank. There are three main reasons we ended up with this option:
1) Webasto’s are cheap! These can be found on ebay second hand from a number of older diesel cars. Unfortunately there are quite an array of these, the newer ones tend to have specialised PCB systems, expect odd inputs from the car’s computer etc therefore it’s best to stick to older models. If you can get your hands on a Rover version there’s loads of information online re: how to get it up and running.
2) We’ve got Diesel on board. Burning diesel for heating and hot water means we’ll only have to carry around a small amount of gas for cooking.
3) Using a wet central heating system means we can have underfloor + stored hot water for washing + a fan convector. However it does have the drawback of having to cart a whole load of water around.

More detail and pictures to follow…

Insulation

As we’re destined for the Alps we’ve put tonnes of insulation all over the van.

Roof: 1 25mm layer of polystyrene between the metal struts then 25mm counter battens with another 25mm layer of insulation between. The ceiling is finished with foil backed bubble wrap as a vapour barrier and 3mm of ply below.

Walls: We managed to pack 50mm of polystyrene in the wall cavities and pumped lots of expanding foam into the hard to reach areas. My theory is that we might at least stop the air moving around inside the van structure. The walls are finished with a foil backed bubble wrap and a 6mm layer of ply.

Floor: The floor is insulated with 1 50mm and 1 25mm layer of polystyrene. This gave us lots of room to run drainage and heating pipe work below (under floor heating!) as well as dropping the shower tray below the floor level. We relaid the old Mercedes floor lining over the insulation.

[PICTURES TO FOLLOW]