Yes, I have one, and had a custom hood built around it. You don't say what kind of stove/range you have, but we have a 48" dual fuel range with 6 burners and a griddle. I like all the lighting and fan options it offers. A smaller size probably wouldn't have as many since it's not as wide. It's on the loud side when turned on full blast, which I rarely do. We don't fry and only have all burners going for large gatherings/holiday meals.

No wood can be closer than 30" to the cooking surface. It's 36" with some ranges. So you need to read the specs of your range. And understand them. Most have a prohibition against using deeper than 13" cabinets directly against the hood. So you make the hood wider. You also need to know the width of the corbels so that they can be outside that combustible zone. A 36" cooking surface needs a minimum 42"wide vent above it. With your decorative corbels, I'd increase that to 48". You also need at least 27" of front to back depth in order to capture the cooking byproducts. Yea, you need a liner, and a blower. Start there and build the hood around the option that you choose. you need to understand about code, cabinet construction, and overall proportion and aesthetics to do this successfully. Or just choose from your cabinet company's predesigned hood and blower combinations that you know will work.

I recommend you check with the Jenn-Air to see what they recommend for ventilation over your range.

Thanks for help. FWIW, the distance from concrete soffit to floor is 7 feet as expected. I have narrowed it down to either Zephyr or Kobe insert liner as both have the horizontal vent in the rear. The horizontal attachment will be moved slightly to the left as that will be where the new cooktop will be moved. I am assuming that there will be some kind of attachment to the current opening which vents to the building's venting system - whence it goes after it leaves my kitchen I have no cares as long as it passes inspection. I am not familiar with either of these brands - does anyone have any recommendations as to one or the other. My venting needs frankly are minimal as I don't deep fry and will have an induction cooktop. I am considering mid range in each brand: KOBE CORE COLLECTION - This retails for about $850. It's ADA compliant with a remote which seems like it would be more convenient than reaching for controls under the cabinet. Monsoon I Insert Monsoon I takes one-piece liners to the next level. Includes dual-level halogen lights, and ADA-compliant wireless remote control, 6-speed electronic controls and either a powerful 600 CFM blower (30″ and 36″ models) or 1,200 CFM blower (42″ and 48″ models). ACT™ available on all models. Vertical and horizontal Zephyr - I couldn't find any functional difference in these two models except one has slightly higher CFM but I am sure the lower would be perfectly adequate for my needs DELUXE IN26 SQB-650-5A BUILT IN / INSERT 30" - 36" 700 CFM $803.49 PREMIUM IN2630SQB-700-2 BUILT IN / INSERT 30" - 30" 750 CFM Build.com $771