

You should also make sure you use the foam tape included with your air conditioner on the edges of the bracket to get a tight seal, and check around the vent for drafts. Even if you have to extend the hose longer to make it straighter, bends trap more heat than length does. See the photo above for an example of a hose with too many bends in it. If you find that your AC hose is getting hot, make sure you’re providing the shortest, straightest path for air to travel. The two most common problems with portable air conditioner vents are kinked hoses and leaking window seals. General tips for venting portable air conditioners Below we’ve outlined four other ways to vent a portable air conditioner.

But portable ACs don’t need to vent out a window, so long as you can find another way to send the heat outside. These AC units are like self-contained heat pumps: They collect heat from a room and send it somewhere else through an exhaust vent. We’ve been testing the best portable air conditioners for five years, and we’ve found out all about the versatility and drawbacks of the vent hoses.
