How to choose a mini-split for an upstairs room
Standard window units are often loud and ineffective at cooling hot upstairs spaces, but choosing the right ductless mini-split brand and size can be confusing. Without clear guidance on residential setups, homeowners struggle to find a system that is actually worth the money.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
- 1using standard window units
In their words
Unedited, most upvoted first, each linked to the thread it came from.
“our second floor turns into a sauna during the summer months and standard window units are loud and barely make a dent in the heat.”source ↗
“i honestly have no idea what brands or sizes are actually worth the money for a residential setup.”source ↗
“It is just 3 to 5 degrees warmer upstairs during summer, but that's enough that it got me considering this option.”source ↗
Where this came up
People with this problem also raised
- 3Why is just one upstairs room so hot in the summer?
- 4How to cool a house without ducts or ugly wall units
- 24How to choose between different HVAC replacement quotes
- 3Why is my attic apartment so hot in summer and cold in winter?
- 2How do I find out what size AC unit I have?
- 2Do flush-mount air vents restrict airflow?