Another option is an anti-backdraft cowl and some insect mesh... if you have an air quality monitor take a look some time at what happens to the air quality in your kitchen when cooking (especially frying) - it generally takes quite a dive, particularly if you have a gas cooker.
indoor CO2 goes from like 500 ppm to 950 ppm. It's awful. I avoid using the natural gas oven and range when I can. I intend to install an outside air exchanger, but haven't got around to it.
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Another option is an anti-backdraft cowl and some insect mesh... if you have an air quality monitor take a look some time at what happens to the air quality in your kitchen when cooking (especially frying) - it generally takes quite a dive, particularly if you have a gas cooker.
indoor CO2 goes from like 500 ppm to 950 ppm. It's awful. I avoid using the natural gas oven and range when I can. I intend to install an outside air exchanger, but haven't got around to it.