Automotive Terms And Abbreviations- H

H- Hydrogen
 
H2O- Water
 
Harn- Harness
 
HC- Hydrocarbons
 
HCM- HVAC Control Module
 
HD- Heavy Duty
 
Hg- Mercury
 
HO2S- Heated Oxygen Sensor
 
hp- Horsepower
 
HPV- High Pressure Vapor
 
Htd- Heated
 
HTR- Heater
 
HUD- Head Up Display
 
HVAC- Heater Ventilation Air Conditioning
 
Hz- Hertz