Semi-Custom HVAC Units Designed for High-Bay Facilities

The most efficient and durable heating, ventilation and cooling equipment 

It's also easy to install.


Semi-Custom Evaporative Cooling Technology

Spec Air Series

Freeze Protection


Make-Up Air Technology


HTHV Technology

ASHRAE 62.1 Compliant

2.5 Billion Square Feet of Space Serviced

Building Studies

40,000+ Installations

20 - 70% Energy Savings

4, 900+ Contractor Partners

Our Partners


We partner with fellow manufacturers and people-centric leaders to share inspirationto build better communities, creating sustainable work processes and bring glory and dignity back to US Manufacturing.