Measure Cabinet Cutout Dimensions. Carefully pull the oven forward approximately 1 - 2 inches, without pulling on the oven door. Be careful! Measure the distance across the top and bottom of the oven from the left and right edge of the cabinet cutout.

While electric wall ovens are more popular because there are more options and sizes available, gas wall ovens do have benefits. Gas wall ovens have some of the same features available as electric wall ovens including convection cooking and self cleaning mode.

Wall ovens come in standard widths of 24, 27 and 30 inches, but models can vary by as much as an inch or two, making it wise to stick with the same brand.