Vanair integrates idle management with factory HVAC

Vanair’s EPEQ IM HVAC system, showcased at ACT Expo 2026, is designed to eliminate unnecessary engine idling by maintaining cab heating and cooling without running the engine.

Instead of adding standalone auxiliary HVAC units, the system integrates with factory components, using a parallel auxiliary compressor for cooling and a fuel-fired heater tied into the coolant system for heat. This allows operators to maintain cab comfort through existing vents while avoiding cold starts that can accelerate diesel particulate filter wear.

The system automatically shuts down and restarts the engine based on cab temperature thresholds and fleet-defined parameters, helping standardize idle compliance across drivers. Electrical loads such as lighting and blower motors are transferred to a dedicated battery system when the engine is off, preventing drain on the starting battery. A 48V, 5-kWh battery provides several hours of runtime, with expansion options for longer durations.

From a service standpoint, Vanair emphasizes reduced installation time and fewer failure points. 

“We focused on eliminating the installation challenges and operational complexity that prevent fleets from adopting idle management technology,” said Ralph Gee, idle management engineer at Vanair. “The two-module design with plug-and-play connections reduces installation time and failure points, while factory HVAC integration means crews get the same comfortable air delivery they’re accustomed to without added dashboard units.”

Early field data cited by the company shows significant fuel savings, with one fleet reducing consumption from 10–15 gallons to 2–3 gallons per shift. More importantly for maintenance teams, reduced idling lowers engine hours that contribute to oil degradation, exhaust system wear, and accelerated depreciation.