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FoxAir MAX LP 4-Ton Aircraft Air Conditioner (Heat Option Available)

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The FoxAir MAX LP (Low Profile) unit offers a convenient and reliable portable solution for pre-conditioning ambient air in aircraft cabins, cockpits, equipment bays, fuselages, or other confined environments. This unit provides cool air and heat in "low profile" applications such as under passenger boarding bridges or in maintenance hangars. This versatile design is particularly well-suited for field installations where low clearances for aircraft are requested. The FoxAir Max LP delivers 48,000 BTU of refrigerated air for pre-cooling or maintenance operations. Add the 18kW heating option to create a comfortable climate year-round. The FoxAir MAX LP is easily maintained by any HVAC technician with basic HVAC tools.

Standard Features

Input Voltage

Environmental

Operating Conditions

Capacity Ratings (Output)

General Information
Part #FoxAir-Max-LP
ManufacturerFoxcart
Shipping Information
ECCNEAR99

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AIRCRAFT COMPATIBILITY

Compatible Aircraft*
*This list is for general reference only and may not be entirely accurate for all aircraft. Please confirm all equipment meets the requirements of your aircraft with the owners/maintenance manuals prior to purchasing or using with your aircraft.

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QUESTIONS & ANSWERS

Question:
Can this unit be set for 50 Hz?
Answer:

No. The FoxAir MAX LP operates at 60 Hz only, and it cannot be configured for 50 Hz electrical systems. This ensures proper performance of the sealed refrigeration system, compressor, and electrical components. If you require 50 Hz compatibility for international operations, please contact us for suitable alternative aircraft air conditioning units.

Asked July 1, 2024
Question:
What is the part number for the replacement air filter for this unit, and how many are required?
Answer:

The correct replacement air filter for the FoxAir MAX LP is 406-0060-050. The unit uses two 20" × 25" × 2" filters. Replacing both filters at the appropriate intervals helps maintain optimal airflow, protects internal components, and ensures consistent cooling performance.

Asked July 1, 2024
Question:
What is the cooling capacity of the FoxAir MAX LP?
Answer:

The FoxAir MAX LP delivers 48,000 BTU of refrigerated air, making it a powerful 4-ton aircraft air conditioning unit. This output cools aircraft cabins quickly, even in hot ramp conditions, improving comfort for crews and passengers. The unit is designed for pre-cooling, maintenance operations, and protection of heat-sensitive avionics.

Asked November 19, 2025
Question:
Does the FoxAir MAX LP offer heating capability?
Answer:

Yes. The unit can be equipped with an optional 15 kW electric heater. This makes the FoxAir MAX LP a year-round climate control solution, allowing for warm-air delivery during cold-weather operations and hangar maintenance.

Asked November 19, 2025
Question:
Which aircraft types is the FoxAir MAX LP designed to support?
Answer:

The FoxAir MAX LP is built for business jets, turboprops, and light commuter aircraft that require dependable pre-cooling on the ground. Its 4-ton capacity is ideal for smaller to mid-sized cabins where quick temperature reduction is essential. Operators in corporate aviation, FBOs, and regional fleets utilize the unit to support rapid turnarounds and enhanced ground comfort.

Asked November 19, 2025
Question:
How does the FoxAir MAX LP deliver conditioned air to the aircraft?
Answer:

The unit features a quick-connect collar for rapid attachment of a 10-inch, steel-reinforced air delivery hose. This system enables the efficient direction of cool air into the aircraft cabin. With an airflow rating of 1,570 CFM, the FoxAir MAX LP provides steady, powerful circulation that rapidly reduces cabin temperature.

Asked November 19, 2025
Question:
What makes the FoxAir MAX LP “low profile,” and why does that matter?
Answer:

The FoxAir MAX LP is mounted on a low-profile trolley. This design reduces the overall height of the unit, making it easier to position under aircraft wings, navigate tight ramp spaces, or approach hangar doors. The improved maneuverability enhances operational flexibility and reduces the chance of GSE-to-airframe contact.

Asked November 19, 2025
Question:
How portable is the FoxAir MAX LP for ramp operations?
Answer:

The trolley-mounted chassis and compact footprint make the FoxAir MAX LP easy to move across ramps, hangars, and maintenance bays. Ground crews can quickly position the unit, even in crowded service areas. Its low noise level of 78 dBA also helps maintain a safer, more comfortable work environment.

Asked November 19, 2025
Question:
What refrigerant does the FoxAir MAX LP use?
Answer:

This unit uses R-410A refrigerant, with a charge quantity of 111 ounces. R-410A is known for efficient heat transfer and stable performance in high-output cooling systems. The sealed refrigerant system also minimizes maintenance and improves long-term reliability.

Asked November 19, 2025
Question:
What is the minimum ambient operating temperature for the FoxAir MAX LP?
Answer:

The FoxAir MAX LP can operate in ambient temperatures as low as 35°F (1.67°C). This capability ensures dependable cooling performance in cooler climates and during early morning ramp conditions. Operators who add the optional heater gain additional flexibility in cold-weather environments.

Asked November 19, 2025
Question:
How does the integral condensate tank help during operation?
Answer:

The FoxAir MAX LP features a 21-gallon Vu-Thru condensation storage tank with a drain valve. This large-capacity tank allows the unit to operate longer without manual drainage, reducing interruptions during maintenance or turnarounds. The clear Vu-Thru design will enable technicians to easily monitor water levels.

Asked November 19, 2025
Question:
What airflow performance does the FoxAir MAX LP offer?
Answer:

The unit provides a strong 1,600 CFM airflow. This high-volume circulation ensures fast cabin cooling, uniform air distribution, and efficient delivery through extended hose runs when needed. Strong airflow is essential for conditioning the cabin quickly during pre-flight.

Asked November 19, 2025
Question:
What optional accessories are available for the FoxAir MAX LP?
Answer:

Available options include the 15 kW heater, multiple air-delivery hose lengths (15, 25, or 50 feet), drain hose kits, freeze-protection switch, long-run input power cables (50 to 150 feet), and a 120V convenience outlet. These accessories help tailor the FoxAir MAX LP to specific ramp environments and aircraft configurations. Operators can customize the unit to meet seasonal needs or address facility constraints.

Asked November 19, 2025
Question:
Why is the FoxAir MAX LP valuable for reducing APU usage?
Answer:

Using the FoxAir MAX LP to cool the aircraft on the ground reduces APU runtime, fuel consumption, and mechanical wear. This helps extend the life of the aircraft APU while lowering operational costs. For operators with frequent turnarounds, the savings can be substantial over time, making ground-based air conditioning a wise maintenance investment.

Asked November 19, 2025
Question:
Who manufactures the FoxAir MAX LP?
Answer:

The FoxAir MAX LP is manufactured by FoxCart, a reputable manufacturer of aircraft ground power units and climate control equipment. FoxCart designs its units for durability, serviceability, and efficient ramp operation. Its HVAC solutions are widely used by FBOs, MROs, corporate flight departments, and regional aviation operators.

Asked November 19, 2025