Listing Category
Description
The SOLARWALL heater is available as a modular, do-it-yourself kit that mounts easily onto a south wall or roof. Available both for industrial, residential and crop-drying applications. Also available: combined PV solar air heating drastically reducing pay-back period. Efficiency: 70-80%! In new building projects the payback can be 3 years, in retrofit 6-7 years.