I have a excellent working Le Maitre G300II that is a high output water based haze machine. It is also configurable as a fog machine as well but we have only used it for hazing large areas. We are located in Central Pennsylvania.
http://www.lemaitreusa.com/p/G300/N[]ipECLRm3o
http://www.lemaitreusa.com/p/G300/N[]ipECLRm3o