I swapped the $100 window unit in my 30x50 shop for a Senville Aura 24,000 BTU mini split. Here's how it handles heat, cold, humidity and a hot truck, and why I'd keep a weekend shop at 60°. Window Unit to Mini Split in My 30×50 Shop: Was ...October 8, 2026 in 30x48 Pole Barn Shop Build tagged Air Conditioner / garage cooling / Heat Pump / heated Floor / Mini Split / Pole Barn / Senville / Senville mini split / shop air conditioning / Shop Heater / window AC unit / Window Unit by Paul