each model is available with front-to-rear and rear-to-front fans. several glass and coating options control light and reduce energy loss. one wonders how 'the powers that be' could have got it all so wrong. the food looks certainly looks great. solid state, dependable and very portable. this can be done in many ways, but these can be grouped into two classes. that’s not what every anxious person needs to hear in every situation. we prefer to work with an established brand that has a presence in the market and is looking to bring it to the next level. 