Hey Amba, There is no reason why you explicitly can't use a 90cm rangehood over a 110cm freestanding oven as long as the rangehood has a good extraction rate. Having a boost mode could also help when you do chose to cook something with excess steam or fragrance because it will work even harder to extract it. However, you aren't guaranteed to suck up absolutely everything because of the smaller size. This could have a negative effect on the paintwork around your oven (but it is hard to say as I do not know your cooking frequency or the types of meals you prefer). That being said, in terms of aesthetics I think investing in a larger rangehood is a good idea. If this is something that is important to you, I recommend shopping around. A few appliance stores are having warehouse sales and clearance sales at this time of year, so it'd be a good time to buy. I hope this helps!

Here’s a suggestion: http://www.suncoastsheetmetal.com.au/cms/index.php/domestic/kitchens.html

My family is looking to buy a new range hood. Ours right now is just too weak, it doesn't really suck air out. What do you guys/gals recommend? We've looked around and saw this one: Broan 413004 ADA Capable Non-Ducted Under-Cabinet Range Hood Do you think it's good? Any opinions? Thanks!

Does anyone know a place in Melbourne that can make a decorative country rangehood for a 10 ft ceiling