The latest updated list of portable air conditioners we recommend: https://www.consumeranalysis.com/guid...

A deeper analysis of dual hose vs single hose units: https://www.consumeranalysis.com/guid...

In this video we discuss the differences between single hose and dual hose portable air conditioners. What are the advantages of dual hose ACs? What are the disadvantages? We end up finding that the number of hoses involved in the system does impact overall efficiency. But it doesn't impact the overall cooling capacity of the air conditioner to the extent that it's impossible for a single hose system to outperform a dual hose system. To the contrary, we find that there are multiple single hose systems on the market that outperform the best and most prominent dual hose options.