There are some parts of the world where living without air conditioning borders on unthinkable. But in more moderate climates, it isn’t all that unusual. [Josh’s] apartment doesn’t have cent ...

On days when you run your car's air conditioner ... Most of the time, you can fix drainage problems yourself. Dripping can also result from frozen evaporator coils — usually an easy fix.

The design uses no ice, which is the cooling agent typical found in other DIY air conditioners. Those generally cut holes in the top of a cooler, put a fan on top to blow the air down across the ice.

Low coolant levels can cause the evaporator coils to freeze. You may notice frost or ice forming on the coils or other parts ...