Understanding the Relationship Between Daikin and McQuay
Daikin Industries, Ltd. is a global Japanese manufacturer specializing in air conditioning, refrigeration, and compressor technologies, headquartered in Osaka, Japan.
McQuay was originally an American HVAC brand, known for its large-scale commercial air conditioning systems.
In 2006, Daikin officially acquired McQuay and integrated it into the Daikin Group. Since then, McQuay’s product lines and technologies have been gradually merged with Daikin’s systems. However, in certain countries and markets, the McQuay brand is still retained to leverage its long-standing reputation, especially in large central AC and water-cooled chiller applications.
In regions like North America, the Middle East, and Southeast Asia, the McQuay name continues to be used, particularly for large commercial chillers. In China, McQuay and Daikin share manufacturing resources, including large production facilities such as the one in Guangzhou.
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Both Daikin and McQuay produce a wide range of compressors, used across residential, commercial, and industrial applications. Major types include
Used in VRV/VRF systems (variable refrigerant flow), residential and commercial units.
Daikin’s scroll compressors are known for high efficiency, low noise, and inverter control technology.
Primarily used in water-cooled screw chiller systems. McQuay is especially strong in this area.
Applications include large commercial buildings, data centers, and industrial cooling systems.
Features: Suitable for medium to large cooling loads, stable operation, long service life.
Applied in ultra-large chillers. McQuay has extensive technical expertise in centrifugal chillers.
Ideal for high-efficiency applications in large buildings like airports and hospitals.
Both McQuay and Daikin have adopted magnetic bearing technology in high-end water-cooled chillers, enabling oil-free operation and higher energy efficiency.
Why Choose Genuine Daikin and McQuay Parts? Can You Afford the Cost of Counterfeit Parts? In the HVAC industry, customers often face a key decision during maintenance or repair: whether to buy genuine Daikin and McQuay parts or cheaper alternatives. While genuine parts from globally recognized brands like Daikin and McQuay may come at a higher price, the hidden risks of using substitute parts can lead to far greater costs in the long run.
Daikin and McQuay’s genuine parts undergo strict testing to ensure full compatibility with their systems. Using authentic components helps maximize your HVAC system’s performance and reduce breakdowns.
Imitation or non-certified parts can pose serious risks:\n- Improper fit or incorrect dimensions. Inferior materials that degrade quickly. Incompatibility with system controls, triggering error codes. In extreme cases, fire hazards or complete equipment failure
Most manufacturers clearly state in their warranty policies: using non-genuine parts will void your warranty. That means any damage must be repaired at your own expense.
Although the upfront cost is higher, genuine Daikin parts and McQuay parts offer longer service life, lower failure rates, and higher energy efficiency—saving you more in total operating costs.
Whether you’re an end user, contractor, or managing an international engineering project, we offer professional support and fast delivery of genuine Daikin parts and McQuay parts. Provide Daikin Parts: Compressor assemblies, outdoor unit control boards, solenoid valves, sensors, indoor fan motors, and more. Provide McQuay Parts: Screw compressors for chillers, expansion valves, refrigerant filters, water pump motors, solenoid valves, coils, star wheels, star kits, crankcase heaters, etc.
MEDINO has been a leading manufacturer in refrigeration compressor parts field for 10+ years. With experience in electric terminal plates and oil crankcase heaters producing, we can provide high-quality terminal plates and all compressor parts to improve your compressor performance.
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