... Applications1) Domestic, industrial and commercial heating use 2) Suitable for open or closed Loop (glycol-water) 3) Space heating4) ... Parks, Hotels, Schools, Public Showers/Kitchens , Restaurants 5) For large scale water heatingMain feature1) Reliable, efficient, twin-glass evacuated ... Domestic and Commercial Use, DENO solar collector is ideal for both domestic and commercial use, and is scalable to ...