Recent content by cirrus

As mentioned earlier, yes it is cheaper to cover the duct in rock wool and there is no need to insulated the unit as the unit derives its heat from HVR, primarily it is the duct which needs insulating, especially the duct to the outside air vent, it is also very important that that the drain off...

Yes it is cheaper, but there is no need to insulated the unit as the unit derives its heat from HVR, primarily it is the duct which needs insulating, especially the duct to the outside air vent, it is also very important that that the drain off for the unit is run into soil or waste drain as...

Verplas sell plastic ducting, bends, wrap etc, and Nuaire sell the same but they manufacturer the MVHR units. There are loads of sites that sell the wrap, I am quite sure but I think the builders merchants supply this as well.

I install these units and I use a foil insulated wrap from Verplas or Nuarie, you can also wrap the duct in rock wool or simple cover duct but from April next year the duct must be wrapped insulation. the insulated wrap is only 8mm thick but has the same properties as 200mm rock wool, Hope this...