DIY ducting for ventilation air conditioning & extraction
www.supercell.co.nz has a full range of ducting insulated & nude for all your ventilation air conditioning heat tranz & extraction needs.
Check your existing ducting is in good order as like all products it needs replacing from old age & vermin attacks.
If its old has holes or not connected properly it could be costing you a fortune while getting 0 benefit.
check out the full range at www.supercell.co.nz