
🎃 What’s Lurking Inside Your Mini Split Might Be Scarier Than Any Ghost
Think ghosts are scary? Try breathing in what’s hiding inside your mini split. Mold, bacteria, cobwebs — and a sludge so vile we had to invent OctoClean™ just to fight it.

Think ghosts are scary? Try breathing in what’s hiding inside your mini split. Mold, bacteria, cobwebs — and a sludge so vile we had to invent OctoClean™ just to fight it.
When Kimberly Sevilla, founder of Shelter Air, took a job as an HVAC apprentice to evaluate a potential acquisition, she didn’t expect to get electrocuted within the first hour. This gritty, behind-the-scenes look at a real-world HVAC install reveals the cultural pitfalls, safety red flags, and leadership lessons that inspired her mission to transform the industry—from the attic up.