I’ve been kicking around the idea of a proper commercial kitchen in the house I’m thinking of building in the next few years, and it seems like this is definitely the kind of stuff you need to plan the whole room around.

That said, who doesn’t want a big gas griddle, serious fume hood exhaust, and a giant three door stainless fridge in their kitchen?! I’m so tired of smoke detectors going off when I try to cook a steak indoors, or filling the whole house with burger grease smoke.

A real set of commercial kitchen gear, in a room designed for the purpose, to me is the ultimate luxury kitchen. Beats the hell out of those pot-filler arms and silly islands that pass for such these days in residences.

The ultimate luxury kitchen is the sort one sees in original condition pre-1900 middle class houses: it's very spartan, because the owners never went in there, it having been the domain of the cook.

Yep you can do it. One problem is that they are noisy. You will want to hide the extractor fans in the ceiling if you vent up out the roof. Bear in mind that a newer house will be tightly sealed too so your stove/ vent will need it's own air intake as well. I mean you can open a window but I think code will require it to prevent backdraft. Basically the air intake opens when you turn the fan on. Most of your other gas equipment (gas water heater and a gas clothes dryer) will be direct vent though in new builds.

Does commercial kitchen equipment try via how it's designed to prevent smells from wafting around? I think if you want to prevent that you need doors on your kitchen and to not combine it with the dining space. Which is hard to find because most parties and social life revolves around the kitchen, so most people don't like that setup thus builders never build it. There is also the general trend to make houses into large open spaces for living, dining and kitchen, which makes it even worse. Like the open office trend!

Typically the cooking surfaces in a commercial kitchen are installed under an absolutely enormousness hood that sucks a lot of air. That is sufficient to greatly contain smoke. Not sure what smells have to do with anything.