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Compressors

Compressors

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Shop HVAC compressors and AC compressor replacements for compatible air conditioning, heat pump, refrigeration, and cooling systems. Find scroll compressors, rotary compressors, reciprocating compressors, semi-hermetic compressors, and brand-specific replacements from manufacturers such as Copeland, Trane, Lennox, York, Danfoss, Goodman, Carrier, and more. Match the compressor part number, refrigerant type, voltage, phase, capacity, and equipment model before ordering.

HVAC Compressors for Air Conditioning and Cooling Systems

HVAC compressors are core replacement parts for air conditioning, heat pump, refrigeration, and cooling systems. The compressor moves refrigerant through the system and helps create the pressure change needed for heat transfer between the evaporator coil and condenser. When a compressor fails, the system may stop cooling, trip breakers or safety controls, make unusual noises, or struggle to maintain the correct temperature.

Furnace Part Source carries a large selection of replacement AC compressors and HVAC compressors for compatible systems. Use the compressor part number, equipment model number, refrigerant type, voltage, phase, and capacity to narrow the product list before ordering.

How to Choose the Right Replacement AC Compressor

The right replacement AC compressor must match the system’s mechanical, electrical, and refrigerant requirements. Before ordering, compare the compressor part number, equipment model number, refrigerant type, voltage, phase, capacity, and mounting style. These details help confirm whether a compressor is compatible with your air conditioner, heat pump, refrigeration unit, or cooling system.

Do not choose a compressor by appearance alone. Two compressors may look similar but differ in electrical ratings, refrigerant compatibility, terminal layout, displacement, oil type, or capacity. Use the equipment data plate, service manual, parts diagram, or existing compressor label to verify the correct replacement.

Match the Compressor Part Number

Start with the part number printed on the existing compressor label or listed in the equipment documentation. The part number is usually the most reliable way to identify a direct replacement or approved cross-reference.

Check Refrigerant Type, Voltage, and Phase

Confirm the compressor is rated for the correct refrigerant, such as R-22, R-410A, R-134A, or another system-specific refrigerant. Also verify the voltage and phase, including whether the system requires single-phase or three-phase power.

Confirm Capacity, Tonnage, and Equipment Compatibility

Check the system capacity, tonnage, BTU rating, mounting style, and connection requirements before placing an order. A compressor that does not match the system specifications can cause cooling problems, electrical issues, installation delays, or early part failure.

Scroll, Rotary, Reciprocating, and Semi-Hermetic Compressors

HVAC compressors are available in several designs, and the correct type depends on the system, application, and equipment specifications. When replacing a compressor, match the compressor style listed on the existing part label, service manual, or approved replacement list.

Scroll Compressors

Scroll compressors are common in residential and light commercial air conditioning and heat pump systems. They are often selected for steady cooling performance, compact design, and fewer moving parts compared with some older compressor styles.

Rotary Compressors

Rotary compressors are used in some air conditioning, refrigeration, and compact cooling applications. When replacing a rotary compressor, confirm the refrigerant type, voltage, capacity, and mounting configuration before ordering.

Reciprocating Compressors

Reciprocating compressors use a piston-style design and are found in many HVAC and refrigeration systems. Check the compressor part number, electrical rating, refrigerant, and system capacity to confirm the correct replacement.

Semi-Hermetic Compressors

Semi-hermetic compressors are often used in larger commercial HVAC and refrigeration applications. These compressors may be serviceable in ways that fully sealed compressors are not, but replacement still requires careful matching of system requirements and compressor specifications.

HVAC Compressor Brands Available

Furnace Part Source carries replacement HVAC compressors and AC compressors from many major manufacturers used in air conditioning, heat pump, refrigeration, and cooling equipment. Available compressor options may include parts from brands such as Copeland, Trane, Lennox, York, Danfoss, Goodman, Carrier, Daikin, True Manufacturing, and more.

When shopping by brand, always confirm the compressor part number, equipment model number, refrigerant type, voltage, phase, and capacity before ordering. Brand alone is not enough to confirm fitment because the same manufacturer may offer multiple compressor models for different system sizes, refrigerants, and electrical configurations.

Important Ordering Notes for AC Compressors

AC compressors are fitment-sensitive replacement parts. Before ordering, verify the compressor part number, equipment model number, refrigerant type, voltage, phase, capacity, and connection requirements. A compressor that does not match the system specifications may not install correctly or may cause cooling, electrical, or reliability issues.

Compressor replacement should be handled by a qualified HVAC technician. Refrigerant recovery, charging, brazing, electrical testing, and system diagnostics may require specialized tools, training, and certification. If a compressor has failed, the technician should also check for related issues such as low refrigerant charge, restricted airflow, failed capacitors, electrical faults, contaminated refrigerant, or control problems before installing the replacement part.

Confirm the compressor part number and approved replacement options.

Match the refrigerant type, voltage, phase, and capacity.

Check the equipment model number, serial number, and service documentation.

Verify mounting, terminals, fittings, and connection requirements.

Have the system inspected for the cause of compressor failure before replacement.

Related HVAC Parts to Check When Replacing a Compressor

When an AC compressor fails, the compressor may not be the only part that needs attention. Electrical components, airflow parts, refrigerant-system parts, and control components can all affect compressor operation. Before installing a replacement compressor, have the system checked for related issues that may have caused the original failure.

Common parts to inspect include capacitors, contactors, relays, control boards, condenser fan motors, overload protectors, wiring, terminals, and coils. Replacing a compressor without correcting the cause of failure can lead to repeat system problems or early compressor damage.

Check capacitors for weak start or run support.

Inspect contactors and relays for electrical switching problems.

Review control boards and wiring for signal or power issues.

Confirm the condenser fan motor is moving heat away from the outdoor unit.

Inspect coils, refrigerant charge, and airflow before installing the new compressor.

HVAC Compressor FAQs

What does an HVAC compressor do?

An HVAC compressor moves refrigerant through an air conditioning, heat pump, refrigeration, or cooling system. It compresses the refrigerant so heat can move between the evaporator coil and condenser during the cooling cycle.

How do I choose the right AC compressor replacement?

Choose a replacement AC compressor by matching the existing compressor part number, equipment model number, refrigerant type, voltage, phase, capacity, mounting style, and connection requirements. Always check the equipment data plate, service manual, or parts diagram before ordering.

Are HVAC compressors and AC compressors the same thing?

An AC compressor is one type of HVAC compressor used in air conditioning systems. HVAC compressors may also be used in heat pumps, refrigeration systems, and other cooling equipment. The correct replacement depends on the system type and compressor specifications.

Can I replace an R-22 compressor with an R-410A compressor?

Do not replace an R-22 compressor with an R-410A compressor unless the system has been properly evaluated and the replacement is approved for that equipment. Refrigerant type, oil type, pressure ratings, and system components must match the compressor requirements.

What is the difference between scroll, rotary, reciprocating, and semi-hermetic compressors?

Scroll compressors are common in many residential and light commercial systems. Rotary compressors are often used in compact cooling and refrigeration applications. Reciprocating compressors use a piston-style design. Semi-hermetic compressors are often used in larger commercial HVAC and refrigeration systems.

How much does an HVAC compressor cost?

HVAC compressor cost depends on the brand, compressor type, capacity, refrigerant, voltage, phase, and system application. Product pricing can vary widely, so use the product listings on this page to compare available compressor options.

Why do AC compressors fail?

AC compressors can fail because of electrical faults, weak capacitors, failed contactors, low refrigerant charge, refrigerant contamination, restricted airflow, overheating, poor maintenance, or internal mechanical wear. A technician should inspect the system before installing a replacement compressor.

Should a licensed HVAC technician install a replacement compressor?

Yes. Compressor replacement should be handled by a qualified HVAC technician because it may involve refrigerant recovery, brazing, electrical testing, system evacuation, charging, and diagnostic work. Refrigerant handling may require proper certification.

Need Help Finding the Right HVAC Compressor?

Before ordering a replacement HVAC compressor or AC compressor, compare the compressor part number, equipment model number, refrigerant type, voltage, phase, capacity, mounting style, and connection requirements. These details help confirm whether the compressor matches your air conditioner, heat pump, refrigeration unit, or cooling system.

If your original compressor is discontinued, hard to identify, or missing a readable label, Furnace Part Source can help you search for a compatible replacement. Contact us with the brand, model number, serial number, compressor part number, and any cross-reference information from the equipment label or service documentation.