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gas heater

The 55AG heater is designed to provide cabin heating for Trucks, RV’s, Vans/Buses, and Mobile Workshops by using on-board gasoline fuel and battery systems. Operation is simple and the heater provides a safe and reliable alternative to engine idling or need for electrical plugins. This heater is designed to operate continuously at altitudes 5,000 m (16,404’) above sea level.

All PHP Heaters are backed by a full 2 YEAR WARRANTY!


Heating Mode (Variable)Highest RangeLowest Range
Heating Capacity KW (BTU)5.0 (6,824)1.4 (4,777)
Fuel Consumption l/h (US Gallon)0.66 (0.17)0.19 (0.05)
Air Flow M^3/min (CFM)1.19 (42)0.47 (16)
Power Consumption – WATT9015
Start-up Power – WATT≤ 100 
Fuel TypeGasoline
Nominal Voltage12 Volts
Lower Voltage Limit10 Volt over 20 seconds
Upper Voltage Limit15.0 Volts over 20 seconds
Overheat Protection115º C (239º F)
Allowed Ambient Temperature-40º C to 50º C (-40º F to 122º F)
Operating Altitude0 to 5,000 m (16,404’)
Weight5.9 kg (13 lb.)
Overall Dimensions

Length 425 mm (16.7”)

Width 148 mm (5.8”)

Height 162 mm (6.4”)

Above Specifications (± 10%) 

Support where you need it, when you need it.

Our mission is to provide customers with an eco-friendly, idle reduction technology by offering better value and maintaining the utmost integrity. We pride ourselves on providing high-quality products, support, and service for all of our customers. Whether you are a first-time customer or have been enjoying your PHP or major branded heater for years, we are here for you.