https://novo.goldenmidas.net/story.php?title=protecting-portable-air-conditioners-in-primary-schools However, we find that you don't spend every minute outside, that being inside during summer season carries as many opportunities as being outside would. You need to read the warranty manual before making any alterations to the hose because some manufacturers do not allow everything. The good reason portable conditioners require venting is to make sure they can function properly. Tue, 21 Jun 2022 10:45:21 UTC en