Anti-idling specialist Espar Heater Systems has introduced three new products: the Hybernator On-Frame and In-Frame systems, plus the unique window-mounted Baire Necessity heater.

Using the CARB-approved Hydronic 5 heater that’s legal for use in California, the two Hybernator systems provide engine-off heat to the cab, the engine, and the fuel system. They deliver heat continuously and are said to allow quick starts in the coldest environments.

The On-Frame unit mounts on the truck’s frame, taking up 15 in. of space. With the fan powered by an AGM battery that sits in the upper part of the enclosure, it weighs 152 lb and has a heat output from 8200 to 17,000 BTU/hour. The Hydronic 5 is fuel-fired.

Its In-Frame stablemate sits between the frame rails and its installation demands no drilling. Its heat output is the same as the On-Frame model but it’s a little heavier at 179 lb.

The Baire Necessity system also provides engine-off heat to the cab, but in this case it’s a portable unit using Espar’s CARB-approved, fuel-fired Airtronic D2 heater. With no need for permanent installation, it’s useful for drivers who move from truck to truck, and it’s said to be suitable for any truck.

The system is window-mounted and can be safely stored in the truck while travelling. Espar’s John Dennehy says “freight terminals can supply them to drivers for temporary no-idle relief.” With the fan powered by a connection to the lighter socket, the unit’s out put ranges from 2900 to 7500 BTU/hour. Its cost is not yet set but will be near the lower range of the company’s fixed-mount Airtonic heaters.

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