Bores are not alone in producing hot air

Everyone knows that dryers and stove hoods are blowhards.

Dryers need to get rid of moist air, and stove vents are supposed to fan away odors and heat.

But good luck if those appliances don’t work by expelling air through ducts to the exterior of your building.  The stream comes right back at ya.

Many consumers are sophisticted enough to appreciate that, no matter how constructed, dryers that pump air into the room through some sort of device meant to eliminate moisture invariably boosts humidity in an apartment or townhouse significantly.

They also may know that