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Webasto unveils hybrid APU

LOUISVILLE, Ky. - Webasto has introduced a BlueCool Hybrid thermal storage auxiliary power unit (APU) that has the ability to use shore power to provide bunk cooling and hotel load power.


NO DIESEL REQUIRED: Webasto's new BlueCool Hybrid APU allows drivers to enjoy battery-powered cooling and hotel load power.
NO DIESEL REQUIRED: Webasto's new BlueCool Hybrid APU allows drivers to enjoy battery-powered cooling and hotel load power.

LOUISVILLE, Ky. –Webasto has introduced a BlueCool Hybrid thermal storage auxiliary power unit (APU) that has the ability to use shore power to provide bunk cooling and hotel load power.

“Because it uses electricity from a land-based source, BlueCool Hybrid can produce cool air indefinitely unlike most battery-powered systems that need to be recharged by the engine after a single rest period,” explained John Thomas, general manager of Webasto’s commercial vehicle division. “Plus, it can deliver AC power for standard household appliances, including laptops and other sensitive electronics, without having to use an inverter or the vehicle’s electrical system.”

When plugged in, BlueCool Hybrid uses a standard 120V AC power source. It comes with an electrical cord, a junction box with relays, fuses and circuit breakers, a 30-amp battery charger and a 120V AC GFCI receptacle for the truck’s interior.

The system automatically switches to shore power mode when it is plugged into a power source.

Cooling is provided using thermal energy stored in a frozen graphite/water matrix.

Coolant is circulated by a high-efficiency pump and the cool air is distributed by four fans, which draw in warm air and pass it over the exchanger, converting it to cool air.

The system runs independently of the truck’s own air-conditioning system. When not connected to shore power, Webasto officials say the system can provide up to 10 hours cooling by using energy that was stored during highway operation.

It can be combined with Webasto’s Air Top 2000 ST cab heater to provide a full heating and cooling solution.

“The BlueCool Hybrid APU helps fleets and owner/operators take advantage of an emerging market for cost-effective, idle-free power,” Thomas said. “Whether it’s at a truck stop, private terminal location or the truck operator’s driveway.”

The new system is now available for order through the WheelTimes distribution network and truck dealers.


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