A: Natural Gas or L.P. (propane) could be used.
A: It is 100,000 BTU/HR in case of the CHB-100 model’s input heating.
A: The CHB models can be installed on combustable flooring while CDB models have to be placed on non-combustible flooring.
A: 35 feet will be the max. for venting the furnace.
A: It is only for indoor installation and requires to be connected with any ‘approved venting system’ – so that combustion products are vented outside.