Located in Shandong Province, North China, Defu Intelligent Technology (Shandong) Co., Ltd., covers an area of 80 acres with standard workshops over 35,000 square meters. Equipped with a complete set of advanced equipment, including Swiss CNC machining equipment, Japanese turning-milling composite processing equipment, German CNC grinder, Japanese three-coordinate measuring machine and so on, DEFU Air treat quality as top priority. Meanwhile advanced automotive electric air conditioning system environment simulation laboratories have been established.
Truck Electric Refrigeration Units for Trucks, Construction Machinery, RVs & Special Vehicles
Rooftop Parking Air Conditioners for Trucks, Construction Machinery, RVs & Special Vehicles
Backpack Parking Air Conditioners for Trucks, Construction Machinery, RVs and Agricultural Machinery
B2B Sourcing, Manufacturing Strengths, and China Sourcing Guide
Truck air conditioner, also known as parking air conditioner, parking cooler, dc air conditioner, and roof air conditioner and backpack air conditioner. It works as backup air conditioning to make the electric AC work powered by battery directly instead of taking power from engine, widely used while parking to save fuel.
The cooling capacity is 7500-9000BTU/2000-2600W for 12V, 9000-10500BTU/2600 -3000W for 24V.
DEFU Electric Refrigeration Units deliver sustainable, engine-independent cooling for commercial vans and trucks, operating solely on battery power (12V-220V compatible) with zero emissions.Featuring high-efficiency compressors and advanced thermal systems for reliable frozen or fresh cargo transport, these units offer automatic defrost functionality and flexible rooftop or split-type configurations for 1-20 m³ cargo spaces. With intuitive temperature control (-50°C to +130°C), optional extended battery runtime (up to 16 hours), ozone-safe refrigerants, corrosion-resistant construction, and comprehensive support including an 18-month warranty, DEFU provides an eco-friendly, durable solution for urban delivery and perishable goods transportation.
Truck air conditioner, also known as parking air conditioner, parking cooler, dc air conditioner, and roof air conditioner and backpack air conditioner. It works as backup air conditioning to make the electric AC work powered by battery directly instead of taking power from engine, widely used while parking to save fuel.
The cooling capacity is 7500-9000BTU/2000-2600W for 12V, 7500-9000BTU/2000-2600W for 24V.
DEFU manufactures high-performance 12V/24V AC evaporators for trucks and cars, delivering 10,918–21,396 BTU cooling capacity with corrosion-resistant aluminum/copper construction. Engineered to rigorous quality standards, these units serve as direct OEM replacements or integrate seamlessly with parking AC systems. Available in cooling-only or dual cooling/heating configurations, they ensure reliable cabin temperature control across diverse environments.
TheDEFU DC 12V 2KW Gasoline Generator delivers robust, portable DC power with a stable 12V/75A output, ideal for off-grid applications like charging automotive/marine batteries, powering RV systems, or supporting parking air conditioners. Its high-efficiency gasoline engine operates at 4,200 RPM with remarkably low noise (50dB), ensuring reliability in remote settings while prioritizing safety.
Known as a Parking Heater, Liquid Fuel Heater, or Engine Preheater, this DEFU 12V 5KW Diesel Heater delivers autonomous engine protection against cold-start damage while providing instant cabin warmth/defrosting for campers and motorhomes. Core specifications include 12V DC operation, 5KW maximum heating output, and certified extreme-temperature performance (-40°C~80°C), achieving 40-60% fuel savings versus engine idling.
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