Nordic Ware Bakers Half Sheet, 13 by 18 by 1 Inch
Many Styles of bakery oven from the single bakery oven to double deck convection oven. Baking with right temperature is very critical and commercial ovens have better temperature control.
Maverick Baker's Oven Thermometer
You may consider looking for a used convection or bakery oven as the starting price on some of the simple units starts about 4,000.
240/1 Garland MCO-ED-20-S Convection Oven Double Deck Deep Depth
