Without actually having your present pizza in hand I cannot unequivocally say that an air impingement oven will give you the same pizza as you are now getting from your deck oven using the decking method of baking. My advice is to contact any of the air impingement oven manufacturers (Edge, XLT, Middleby-Marshall, Lincoln) sorry if I missed anyone, to see if they can bring you in to their test/demo kitchen to actually work with your dough formula, or if they can arrange for you to bake with your dough in one of their oven at a facility located near to you. The temperature itself cannot be changed between the top and bottom of the oven but the airflow can (airflow is more important to baking in these ovens than temperature). For example, you could use a bright colored solid pan, close off all of the airflow to the bottom of the oven while baking at 500F and get a pizza that is well done on top and par-baked, at best, on the bottom. The features that control the bake in these ovens is time, temperature, oven airflow, top and bottom finger profile, as well as color and airflow of the baking platform, any of these can be adjusted to provide different characteristics in the finished bake. Add to that dough formulation and you have a lot to work with.
The production volume per hour is much greater for an air impingement oven than for a deck oven but the exact numbers will depend upon the size of the pizza in question as well as length/width of the oven. The main benefits of an air impingement oven are: Greater unit volume production, excellent moisture control with heavily topped pizzas, improved bake consistency, no need for an “oven tender”, ability to bake different types of pizzas side by side (split belt/conveyor option) and less space utilization than other types of ovens, plus, like Tupperware, they’re stackable.
On the downside, you have to have good dough management in place to get the most out of these ovens (GI-GO), they will require some type of baking platform (screen, disk, pan), and they have all of the ambiance of a shoe box, and like just about everything else in a store, they’re noisier than a deck oven, not objectionable, just noisier (some of the old models sounded like a jet getting ready to take off, new models are much improved). I wrote an article in my In Lehmann’s Terms column some time back discussing the different oven types and how they fit into different store concepts if that would be of interest to you check the archives for the article.
I think those are the high and low spots.
Is it right for you? I can’t answer that, which one should you buy should you so opt? I said it in one of my earlier columns on the new generation of air impingement ovens, “put them into a bag, shake them up, and I would be happy with the first one to fall out”, that said, go with the company/oven that you’re most comfortable with.
Tom Lehmann/The Dough Doctor