Said It Here

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.

Overview
People affected2 accounts across 1 forum
Workarounds found1 item attempted
Community agreement30 total upvotes

What people tried

Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.

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  1. 1
    using standard window units
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In their words

Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.

r/HomeImprovement2 people · September 2026

“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 ↗

Sappito-Brendell · r/HomeImprovement · 29 upvotes

“It is just 3 to 5 degrees warmer upstairs during summer, but that's enough that it got me considering this option.”source ↗

Utgartha · r/HomeImprovement · 1 upvotes

Where this came up

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