Cab
Comfort and Engine pre-heating

Espar Heater Systems manufactures diesel fired heating systems
to provide engine preheat and supplement passenger comfort.
Espar Air Heaters do not provide engine heat but are quicker to
recuperate heat lost during service stops.

Benefits include:

engine preheat -
improved startability, supplements engine heating for improved
comfort and deforsting capability, reliable cold weather
starting
no electrical plug-ins
cab preheat - provides supplement cabin heat independently
from the engine, faster heat recuperation after stops. |
School Bus Heater
Applications

HYDRONIC
10 provides preheat and supplement heat for small to large
buses.
HYDRONIC
16 provides a quicker preheat in extreme cold climates.


Transit Bus and Coach Application Guidelines:

HYDRONIC
16 meets the requirement for most applications for
preheating and supplemental heating.
HYDRONIC
24, 30, 35 are suited for larger capacity systems. Sizing is
dependent upon customer specifications, size of bus and
operating climate. |
Special
Requirement Bus Application Guidelines (Airport/hotel shuttles,
small school buses, mobility impaired etc.):

HYDRONIC
5 provides engine preheat only.
HYDRONIC
10 meets the requirements for both engine preheat and
supplemental heat.
AIRTRONIC
4 compact provides significant supplemental heat for 26
passenger buses or smaller.
D5LC
should be considered for larger buses or severe cold climates.

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