Talk of The Villages Florida - Ducting a range hood where no duct exists

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Quote:

Originally Posted by skippy05 (Post 2264845)

Either sell the house and buy one with hood vented or set your wife up a cooking area on the back lanani.

. Thanks for the options. Appreciate it. Sadly we don't have a "lanani" only a lanai. Would that work?

Quote:

Originally Posted by Switter (Post 2264749)

I did mine in two of my houses. One I was able to vent out the side which was much easier. The other I had to go through the cabinet above the microwave, through the attic and out the roof. it's quite a bit of work and unless you've done it before, I'd hire out. I'm not sure what they would charge but I'd say it took me about 3-4 hours. It's not much in materials, just tin ductwork, a roof vent, and some aluminum tape. Both of the houses had a soffit above the cabinets so I didn't have to wrap the ductwork between the cabinets and the ceiling.

You'll have to take the microwave down and flip the fan too.

** Caveat **

Even after doing it, it didn't make as huge a difference as I hoped it would. It does help some but those microwave fans are really weak. Anything you cook on the front burners of a stove barely gets pulled in to the fan. If you want anything more than that you're gonna have to replace your microwave with a high-quality hood vent, and they're probably not cheap. Bathroom fans are more effective because it's a small room and you can close the door, which creates somewhat of a vacuum. Most kitchens are open to the main living area of the house which is much larger, so it's more difficult for the fan to do its job unless it's really powerful.

I just want to set your expectations.

Another alternative is a gas grill with a burner and to cook the stuff outside, lol. I eat a ton of fish and that's what I'm gonna start doing, cooking it on the grill.

That's what i wanted/hoped to do, but not on my own. The attic isn't easy enough access for my 76 yer old body. The microwave exhaust is totally useless. There are some excellent range hoods out there. Our daughter (also a vegetarian) installed one in her home in VA and you'd never know she cooked a piece of broccoli or a fish even if you were staning next to her stove. If you get too close it will suck you out through the roof. :D

The bottom line is that your plan is doable, but it won't be cheap, and you may need more than one contractor.

Some folks (me)are opposed to microwave cooking.

Quote:

Originally Posted by Caymus (Post 2264417)

Does venting into an attic meet code requirements? The vapors will contain grease and moisture.

Cannot vent into an attic, has to vent outside.

Ducted Microwave

Quote:

Originally Posted by EdFNJ (Post 2264383)

Our stove is against an inside wall (backed up to guest bathroom) and there is no outside vented duct for a range hood. My wife is a vegetarian and cooks the most "stinky" foods imaginable Broccoli is the absolute worst! Makes me nauseous. :D.

Anyone had a range hood with ducts through the ceiling added where there was no duct or hood before? The above the stove microwave has a built in circulating ductless fan with carbon filters but it's really useless. We'd obviously have to remove the microwave and go to a countertop model.

Suggestions for who does this kind of work and recent cost? Not looking for a kitchen remodel just a ducted hood over the stove. I am assuming it can be ducted straight up to and through the roof assuming there is no roof supports in the way or any building code against that. No access to outside wall just UP. It's the "usual" stove with above stove mounted microwave configuration.

Our above the range microwave is ducted to the outside and it is mounted to an interior wall. So, it CAN be done (with enough money!)

Find a microwave with a good vent fan. Don't waste counter space.
Remember that all exhaust must exit the house - not into attic space.
High CFM also emphasizes need for replacement air that has to come in, from outside somewhere. Would the least path of resistance be other fans' ducts? Or around windows and doors. What temperature is that air going to be?

ED, after rereading, the thread, here is what I would do:

1. Contact home warranty and ask them who does this work for new installs.
2. Call this contractor to see if they can work with you to install a new duct.
3. Discuss with above contractor about taking duct from kitchen, 45-degree angle to guest bathroom, and 45-degree angle to ceiling, then straight up to roof.
4. As noted above if the first contractor cannot cut the hole in the roof and properly seal the penetration, have a roofer ready to do this work.
This approach will keep the kitchen clean and will not impact the existing cabinets, and should have minimal impact on the guest bathroom.
The exhaust fan port on the microwaves appear to be centered and a standard size, also the typical UNDER CABINET range hoods seem to share the same location for the fan port. This approach allows for the removal of the microwave and the replacement with a hood at minimal cost. One work of caution, if you get the backsplash tiled (or similar) then you will have an unfinished area when the microwave is removed.
Hope this helps with your project.