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   At Walnut Auto Air, we are your one-stop shop for all your cooling system parts & service. We are specialists in all areas of your climate control - the HVAC System (Heater/Ventilation/Air Conditioner)
     We Repair:
     • Electrical Problems
     • AC Problems
     • Heaters
     • Defrost and Controls - Auto/Manual
     • AC Service with R-12 and 134A Only
     • Retrofit of Older Systems

• Coolant Leaks
• Thermostat
• Radiator
• Water Pump
• Belts/Hose
• And Overheating Problems

Serving the Walnut Valley & Surrounding Communities Since 1983
Rowland Heights • Hacienda Heights • Diamond Bar • La Puente