I have plenty of million dollar plus houses around me selling without any exhaust at all, just a cooktop on an island in the middle of the kitchen, and most of the times it is a gas cooktop! And in 80% of the houses, it's just a shitty microwave exhaust above the range.

So right off the bat, you're down $20k at least to remodel the kitchen so it has proper ventilation, assuming you cook.

Forget the health effects and whatnot, but are people not bothered by cooking smells pervading the house?

Sometime in the last 30 years builders learned how to build something that looks like a house, but isn't- no vent to outside in kitchen, 'two-car' garage that cannot fit even the smallest cars, etc. You don't notice these things as a kid, so you don't look for them when you buy your first house, by which point it's too late.

This is exactly my situation (cooktop in an island with nothing above it). Our solution (because we cook a lot and often it's Chinese food with the attendant oil) was to just stick an existing rolling island in the garage with an induction hotplate on it and do our messiest cooking out there. Not ideal but it keeps the house cleaner and we didn't have to spend much.

Personally I would prefer a Chinese style kitchen with a fully enclosed cooking space (sliding glass doors to leave open if desired) and exterior ventilation. It keeps the worst of the aerosolized oil contained and away from the rest of the home.

> Forget the health effects and whatnot, but are people not bothered by cooking smells pervading the house?

Being very honest, no, not really. From all the issues I can encounter in a house the smell of a meal cooking is not one of them.

I think it also depends how much people cook and what they cook. I suspect most here are thinking about that roast in a crockpot that has a pleasant aroma.

On the flip side I am thinking about anything with high heat, meats and oil. The food will be delicious and the smell of the food is great but the smell from the cooking process is miserable and will linger.

Good cooking smells delicious. Let it permeate!