Struggling with a hot, cold, or humid garage gym? Discover why a mini-split AC with ERV is the most efficient way to control temperature, protect equipment from rust, improve air quality, and cut energy costs.

Cooling and heating a pole barn comes with unique challenges like high ceilings, air leaks, and dusty conditions. The good news is that with the right setup, a TOSOT mini split system can make your barn comfortable year-round. Whether you’re considering the reliable Cosmo line or the high-performance Aoraki series, this guide covers insulation, unit sizing, airflow, and maintenance tips to help you choose the best barn AC and heating solution.

Preethi transformed their overheated workspace with a sleek Aoraki Mini-Split AC—and built a custom wood cover to match. From full installation to clever design upgrades, see how this DIY project came together.