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Hydronic Heaters


HYDRONIC D5/SC/S/E Coolant Heater

Espar’s HYDRONIC D5 independent auxiliary coolant heaters offer affordable pre-heating and supplemental heating solutions for trucks, off-road equipment, boats and buses.

Their compact size enable a simple installation and eliminates the need for electrical plug-ins. The Hydronic 5 can supply supplemental heat in almost any application deeding auxiliary heat.

HYDRONIC M-II Coolant Heater

This series of heaters is powerful, compact and light weight but rugged in design making it ideal for providing engine, fuel and hydraulic pre-heat for off-road equipment. It is also ideal for providing both engine and supplemental cabin heat for buses and boats.


Main Service Distributor for
Espar heating systems, for 35 years

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