Question

if you have to choose a material to build a solar heater which material would you choose

Answer 1

aluminium foil...as it is a good conductor of heat.

Hope it helps!

Answer 2

Th e most widely used transparent cover materials in solar collectors in the common glass which has most of the required properties the other materials are the absorber , absorber coatings , collector insultion , collector frame , collector sealants ,etc used for making solar collector which gets energy and makes electricity to gives to heater and the material which is used to make a heater is stainless steel , aluminized steel , aluminium , brass , copper and fiberglass etc.