Said It Here

Strange odor coming from a mini split

A homeowner notices a strange, unpleasant odor in their garage shortly after having a new mini split air conditioner installed.

Overview
People affected2 accounts across 1 forum
Workarounds found5 items attempted
Community agreement1 total upvotes

What the numbers show

Counted from the threads quoted below. How we count

  • People have been saying this in most months since September 2026.

What people tried

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

Found another way around this?

Share your steps and trade-offs so fellow engineers don't have to reinvent the wheel. No account required.

  1. 1
    Spraying evaporator coil cleaner
    Did this help you?
  2. 2
    Removing visible pet hair from coil fins
    Did this help you?
  3. 3
    Pouring bleach down condensate drain
    Did this help you?
  4. 4
    Using scented filter sprays
    Did this help you?
  5. 5
    Using indoor air quality products like Air Scrubbers or I-Wave
    Did this help you?
Tried another approach not listed above?+ Share your workaround ↑

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/hvacadvice2 people · September 2026 – November 2026

“Installed an 18k mini split in the garage yesterday.”source ↗

“today in the garage there is a distinct...odor. For lack of a better descriptor, it smells a little like jizz or one of those ornamental pears that smell very similar.”source ↗

“Does anyone here have any experience with R32 leaks?”source ↗

TheMightyRasputin · r/hvacadvice · 1 upvotes

“My apartment has had a strong earthy odor since I moved in, particularly for the first 30 seconds when the AC starts.”source ↗

You193 · r/hvacadvice

Where this came up

People with this problem also raised