Dometic Upgrades Auxiliary Air Conditioning Systems

March 2008, - Feature

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Dometic Environmental has redesigned its auxiliary air conditioning products to meet the growing demand for idle-reduction systems in the North American trucking market.

The new truck HVAC systems, based on Dometic's patented split-system HVAC technology, consist of a redesigned compressor/heater/evaporator/blower unit, which mounts inside of the truck, and an external compressor/fan unit, all running on Dometic's new Qt-series digital controls. The inside and outside units are connected by precharged, reusable refrigerant linesets with quick-connect fittings.

The new CHEB and CF units are made with powder-coated aluminum covers to present a more attractive appearance and resist corrosion. The CHEB has been engineered to minimize compressor noise inside of the truck. The low-profile CF unit, which can be mounted horizontally under the truck or vertically on the back of the sleeper, has been re-engineered reducing its size and weight. The Qt Control/Display panel provides for easy intuitive operation, and can be programmed for fleet and owner/operator power-saving preferences.


The split HVAC systems run on 115 volt AC power, which can be supplied by a bank of batteries, an onboard auxiliary power unit (APU) or shore power. They are available in 7,000-BTU, 10,000-BTU and 14,000-BTU capacities.

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