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Scroll Compressor: What Is It & What Are the Benefits?


Scroll compressors are finding their way into more and more heating and air conditioning systems. They are modern alternatives to traditional compressors that tend to be a lot more reliable, as well as more energy-efficient. That is why more and more customers are starting to inquire and choose HVAC systems that feature a scroll compressor rather than a regular one. 

As a contractor, you have to remain on top of the latest trends and industry developments and collaborate with HVACR distributors such as Gustave A. Larson to be able to offer best-in-class technology to your clients. With the demand for scroll compressors on the rise, it’s good to know what a scroll compressor actually is, how it operates, and what benefits it brings. 

What Is a Scroll Compressor?

A scroll compressor is a device with a unique design that is able to compress gas through the process of internal compression with two inter-fitting scrolls. This type of compressor operates in a circular motion and not the up-down motion of traditional compressors with piston technology. 

Scrolls compressors have a single fixed scroll that remains stationary during compression, and another orbiting scroll that uses a swing link to rotate. As this happens, pockets of refrigerants are pushed to the center, causing the volume of the gas to become compressed before getting discharged. 

What Are the Benefits of Scroll Compressors?

Scroll compressors are becoming increasingly popular because they are more efficient and reliable than the counterparts. Here are some of the biggest advantages scroll compressors bring into HVAC technology. 

Improved Energy Efficiency

The design of the scroll compressor enables it to cool larger amounts of air faster than regular compressors. This increased cooling capacity enables it to use less energy for cooling the same amount of air as its traditional alternatives. Additionally, it can modulate capacity according to current requirements and save even more energy. 

Flexible Operations

Scroll compressors come in different designs and operating capacities, which allows your customers to pick a solution that serves their particular needs. The three main variants of a scroll compressor are: 

  • Single-stage
  • Two-stage unit
  • Variable-capacity compressor

Durability and Reliability

Since scrolls compressors have fewer moving parts than other compressors, which means there is less wear and tear on the components. This means improved reliability and less potential for breakdowns. 


Scroll compressors eliminate any need for lubrication because the scrolls never need to touch. This ensures 100% oil-free operations, eliminating all risks of contaminating the air with lubrication oil. 

Quiet Operation

Scroll compressors operate with fewer torque variations than regular compressors. This means they run smoothly, without vibrations, and very quietly. 

Varied Applications 

Finally, scroll compressors have a wide range of different industrial, commercial, and residential applications, including: 

  • Vacuum pumps
  • Car air conditioning
  • Pneumatic controls
  • Optical equipment
  • Computer peripherals
  • Laboratories
  • Marine containers
  • Food refrigeration

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