The EXTRCOOL AI Inverter Cold Room, a Full-Range Heating and Cooling Unit

Four-Way Valve Reverses the Cycle, AI Control Looks Ahead: Why Northern Mango Rooms and Cherry Greenhouses Trade Cold-Only Units for Dual-Mode

The EXTRCOOL AI inverter cold room replaces the cold-only unit with a single machine that cools and heats across the full -40°C to +40°C range: mangoes, dragon fruit and bananas store best at 8 to 14 degrees, garlic sprouts and white strawberries need 12 to 18 degrees, and northern winter traditionally frost-damaged one batch at a time, so the four-way valve flips the refrigerant direction, high-temperature refrigerant gas rushing into finned copper tubes to lift room temperature in heating mode. The AI inverter holds precision at ±0.5 degrees with room fluctuation inside ±1 degree against about ±4 for a fixed-speed unit. EXTRCOOL provides variable-frequency cold storage solutions.

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Area 51, NV, USA

EXTRCOOL INDUSTRY LIMITED

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