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Re:Barilla Passive Cooker by stephen_g on Sunday November 06, 2022 @09:49PM (#33500517)
The claim on the site is that the heat exchanger base boosts efficiency up to 60%.

You still of course do have the problem that home rangehoods usually aren't powerful enough to create enough air-flow to properly deal with the NOx and SOx produced by burning gas, which turns out to be a big health risk...

Re:Barilla Passive Cooker by amluto on Monday November 07, 2022 @09:02AM (#33505869)
Most home range hoods are too powerful. Go to any site that calculates commercial range hood requirements, enter in your parameters, and then try to find a nice range hood that matches. Those 700 cfm or 1000 cfm beasts the appliance stores sell are entirely inappropriate.

There may well be a problem with a poorly designed range hood and exhaust that inevitably isn’t captured. And people might not like using the hoods all the time.