Browse Forums Building A New House Re: LED Downlights and normal lights 69May 30, 2013 7:27 am The foil insulation is for radiant heat. Heat bought in/out by airflow is different. The difference between a bar heater and ducted aircon. Both are important I believe but different for different climates Yes, get a builder, make sure he is experienced and a registered building practitioner 5 8975 |