Improved air good quality: Without the need of ducts to collect dust and allergens, mini-splits can provide cleaner air. I'd also advocate masking your AC condenser with the winter to protect it from snow. Thanks! We're glad this was valuable. Packaged units Merge all parts in only one outdoor unit. https://codymnmjh.blognody.com/29453724/a-simple-key-for-air-conditioner-installation-unveiled