Ducharme is a contributor to TIME. Ducharme is a contributor to TIME. Humming air conditioners are the soundtrack to summer in the U.S., given that almost 90% of households use them for cooling. Even ...

This ain't no installation tech feature (though we may get to that in the near future), but it's more an overview of air conditioning systems, how they work, why they sometimes don't work, and how to ...

This ain't no installation tech feature (though we may get to that in the near future), but it's more an overview of air conditioning systems, how they work, why they sometimes don't work, and how to ...