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SUPCO — HVAC Parts, Tools & Test Instruments

SUPCO (Sealed Unit Parts Co., Inc.) manufactures high-quality HVAC replacement parts, tools, and test instruments trusted by contractors worldwide. From hard start kits and capacitors to meters and sensors, SUPCO products combine performance and innovation.

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About SUPCO Products

Founded in 1945, SUPCO (Sealed Unit Parts Co.) is a global leader in HVAC, refrigeration, and appliance replacement components. Their wide range includes hard start kits, capacitors, test instruments, thermostats, and refrigeration tools. SUPCO products are designed to make service calls faster, safer, and more efficient for technicians.

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Why Choose SUPCO?

SUPCO products are known for rugged construction, accuracy, and compatibility with hundreds of OEM HVAC systems. With over 75 years of experience, SUPCO continues to deliver dependable parts for residential, commercial, and industrial HVAC service needs.