Why would a portable air conditioner make a rattling noise when the exhaust hose is connected? - Quora
Why would a portable air conditioner make a rattling noise when the exhaust hose is connected? - Quora
Why would a portable air conditioner make a rattling noise when the exhaust hose is connected? - Quora
Why would a portable air conditioner make a rattling noise when the exhaust hose is connected? - Quora
![Portable air conditioner Whytner ARC-122DS: intermittent rattling noise only when compressor is running. Any ideas? : r/HVAC Portable air conditioner Whytner ARC-122DS: intermittent rattling noise only when compressor is running. Any ideas? : r/HVAC](https://external-preview.redd.it/SKwpUm3cqEa8cm13eYWHHF0crnb3OhDWMHDovuKQ0dI.png?format=pjpg&auto=webp&s=ca75c543e598b135f222fe74d08451e024737cf6)