2.5kW is too much inbalance for a 50kW generator (5%). Others may not aggree. I'd suggest 3 x 1kW heaters each on its phase. 2.5 kW is not nearly enough for people in a deck mounted container, unless it's specially insulated. But I am not an expert. Peter -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads