A crankcase heater's sole purpose is to prevent refrigerant migration and mixing with crankcase oil when the unit is off, and to prevent condensation of refrigerant in the crankcase of a compressor. The …

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Mar 26, 2019 · Crankcase heaters were designed as an addition to existing compressor models. They use a simple electrical circuit to create heat within the crankcase when the compressor is not in use.

These heaters are typically used on compressors that operate in ambient temperatures lower than the systems operating temperatures. Ideal for both residential and commercial applications and can be …

Apr 14, 2018 · Learn what crankcase heaters do, how to test for failures, and best practices for maintenance. Prevent compressor damage and improve HVAC system reliability with proper …

Dec 24, 2025 · Engineers and HVAC professionals rely on crankcase heaters to prevent oil from thickening and to protect compressors in cold environments. The right heater improves startup …

Nov 18, 2025 · Choosing the right crankcase heater for your air compressor can prevent moisture-related issues, improve start-up reliability, and extend equipment life. This guide highlights five top …

Jun 11, 2025 · Crankcase heaters are a crucial component in heating, ventilation, and air conditioning (HVAC) systems, particularly in compressors. Their primary function is to maintain the temperature of …

Oct 10, 2025 · Choosing the right crankcase heater is essential for preventing moisture and refrigerant-related issues in compressors. This guide highlights five reputable options that balance durability, …

Whether you need a standard option or a custom solution, TUTCO delivers reliable, high-quality crankcase heaters designed to enhance performance and extend compressor life.