Warming Drawer Vs Double Oven . If you want to keep food warm while the rest of the food is still cooking, then get a single oven with a warming drawer. A storage drawer is usually much deeper than a warming drawer or broiler. Single Wall Oven With Warming Drawer Combo Arm Designs from www.solarlightsplusmore.com A 14cm high warming drawer can match with a 45cm compact oven to fit perfectly into a standard 60cm oven niche. Neff n50 n1aha02n0b heating drawer. Our best overall pick, the kitchenaid 30 in.