These Best-Tested Portable Air Conditioners Are a Viable Alternative to Window Units. Here’s Why.

Prepare for easy setup, effective cooling, and the ability to move from room to room.
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These attic fans cause problems if your roof vents aren’t right

Attic fans promise cooler upstairs rooms and a lighter load on your air conditioner, but if your roof vents are not set up correctly, that spinning motor can quietly create bigger problems than it ...