
🎃 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.
Spring is beautiful—but also full of pollen, humidity swings, and cranky HVAC systems. If you’ve been feeling off, your air might be too. Here’s why now’s the perfect time for a system tune-up—and how to save 10% with Shelter Air’s Wellness Plans.