We purchased our Goodman unit PCK030-1 and it has been installed less than 2 months and we have had it serviced 3 times. Last Sunday it blew up we awoke to fire alarms and smoke filling our house. My husband ran downstairs to turn off the power and the breaker was red hot but did not trip. The service man replaced the fan motor and that did not help, he replaced the thermostat and that did not help, he replaced the time delay relay (TDR) and the new relay was defective also. Has anyone else had problems with a Goodman electric self- contained (packaged) air conditioning unit with an add-on heat kit? What brand of electric package unit is recommended? Would appreciate your help! Thanks!