Baker75, you can ONLY use this as a microwave OR as an oven at any one moment. It does not use both types of heating simultaneously during a single cooking “start”, nor does ANY 120volt over-the-range microwave model. To really do fan and both microwave and convection at once, and well, any oven would need more power. At 120v (standard microwave outlet plug) the fan, mwave, and convection would need to cycle on and off anyway (which is what the Kitchrnaid does when it claims to “speed cook”. Not that speedy since it’s really cutting microwave on and off with low power.) We have preheated, then microwaved a half chicken for 3 minutes at 70% power, then finished by convection with this. Very pleased. Would buy again.