We were excited to install oven combo unit until we turned on the ovens and found they have fans that come on immediately "to cool the controls". The fan pushed heat out above the lower oven was 117 deg. Until oven cooled down.  
The microwave convection oven on top blew out 156 degree air on the oven door grip when in use. 
Hard to believe an energy star appliance heats oven air as well as air that gets fan driven to heat a kitchen area. The house A/C does not compensate for the heat being pumped into the room.