I am a design and maintenance engineer for the United States Navy. Part of my responsibilities is application engineering and maintenance of MIL Spec HVAC systems. I have also authored military performance specifications for several HVAC systems currently being used in the fleet. Below is my documented experience that I had my lawyer review for a malfunctioning heat pump at my newly purchased home. 12/29/08: After receiving a $1000 electric bill for December, I realized that the house was being heated exclusively with the electric strip... read full review »