“Luis has an extremely broad knowledge and level of experience with cooling towers; very good course!” (Cooling Tower Operations & Chemical Treatment Course)
“Very good course, Luis Carvalho is an excellent communicator, encouraged discussion, answered all questions from participants.” (Boiler Water Treatment Technology Course)
“Very good, practical course. Luis was an excellent instructor, very, very knowledgeable in Boiler steam plant systems.” (Boiler Water Treatment Technology Course)
