heater unit for commercial areas

commercial building heating unit fast simple installation, huge output warm air heater large capacity kw 23m fan range connects to flow and return from oil / solid fuel / gas boiler 21.4kw output model 660eur 3600m3/h roughly building size 20m x 20m x 9m 230v water capacity .65 dm/3 that's only .65 of a litre for the entire unit with the low water content and use of coils and a fan these units are superb at heating and super efficient weight 11.5kg expanded plastic casing flow and return connections 3/4" fan power .18kw 1380trn/min height 596mm, width 636mm, depth 320mm can be installed vertical or horizontal other models available at increased costs 21.4kw, 26.4kw, 30.3kw, 42kw, 47.3kw, 56.9kw, models available add 58eur for speed / room temperature controller