Scroll technology from Air Squared provides cutting-edge automotive applications the oil-free compressor solution they need to keep the world moving.

When noise, performance, quality and reliability matter, oil-free scroll technology offers automotive manufacturers an alternative to traditional piston technology. As the industry races to improve efficiency and incorporate new energy technology, leading OEMs continue to turn to Air Squared for the advanced compressor solution they need on the vehicles of tomorrow.

With patented liquid-cooled scroll technology, high-pressure compressor solutions from Air Squared set a new benchmark for quiet, smooth, and oil-free operation. With a growing line of products engineered specifically for automotive applications and a long history of delivering custom solutions for the even the most demanding requirements, Air Squared makes the many advantages of oil-free scroll technology available to automotive OEMs worldwide.

Scroll Technology Advantages

100% Oil-Free
Maintain the purity of your system with oil-free scroll technology
Quiet, Smooth Operation
Dynamically balanced, valve-less, and near pulsation-free
Efficient, High-Pressure Performance
Liquid cooling for high-pressure operation over 90% volumetric efficiency
Compact, Sealed Design
Cooling system offers immersion protection and has fewer moving parts than competing technology
Reliable, Durable Solution
Extended life, long service intervals, and simple field maintenance
Affordable compressor configurations for OEMs

Automotive Applications

  • Commercial EV (Bus and Truck)
  • Air-Braking System
  • Air Suspension
  • Pneumatic Door Control
  • PEM Fuel Cell
  • Engine Waste Heat Recovery

Automotive Products and Projects

From high-pressure liquid-cooled scroll compressors for commercial EVs to innovative scroll expanders for waste heat recovery from diesel emissions, view scroll products and previous projects that support automotive OEMs.

Automotive + Scroll Technology Products

P17H043B-AC-LC-7HP Liquid-Cooled Scroll Compressor


Max Pressure: 13 barg Max Flow: 430 lpmv

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P17H043C-BLDC-LC Liquid-Cooled Performance Series™ Scroll Compressor


Max Pressure: 12.5 barg Max Flow: 425 lpmv

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Automotive + Scroll Technology Projects

P14H030A-BLDC Oil-Free Scroll Compressor for Autonomous Vehicle Sensor Cleaning

Autonomous Vehicle Sensor Cleaning Scroll Compressor

June 24, 2021

Air Squared is working to accommodate the growing demand for next-generation compressor technology for electric vehicles, developing oil-free scroll solutions for commercial air braking, auxiliary air systems, and recently, autonomous vehicle sensor cleaning. Autonomous vehicles utilize sophisticated sensors to track traffic movements and vehicle positioning. Similar to how a windshield requires cleaning after accumulating particulates […]

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P16H030E-BLDC-LC Liquid-Cooled Scroll Compressor

Quiet, High-Pressure Compressor for Commercial EV

April 28, 2018

Air Squared has completed development of a liquid-cooled scroll compressor for a commercial electric vehicle application. The application required a durable, oil-free compressor capable of delivering 150 lpmv at 10.5 barg. A major source of noise for EV applications is the compressor used in the air-braking system, so quiet operation was also a critical requirement. […]

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P16H043E-AC-LC Liquid-Cooled Scroll Compressor

Liquid-Cooled Scroll Compressor for Electric Bus

April 02, 2018

Continuing development of its patented liquid-cooled scroll technology, Air Squared has completed a custom scroll compressor for an electric bus application. The application required an oil-free air compressor capable of delivering 350 lpm v at 10.5 barg with nominal sound levels below 50 dB(A). With growing populations in urban centers around the world, cities looking […]

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P34H080A-BLDC Scroll Compressor

High-Capacity Scroll Compressor for Fuel Cell Applications

November 09, 2016

Growing in unison with the international alternative energy industry, Air Squared has become the transportation fuel cell standard through the development of their largest production scroll compressor, the P34H080A-BLDC. Capable of delivering up to 1,850 lpmv, the P34H080A-BLDC provides reliable oil-free air for transportation fuel cell stacks. Design Specifications Discharge Pressure: 1.8 barg Max Volume […]

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E32H067A-SH 12 kW Lubricated Scroll Expander

12 kW Scroll Expander for Diesel Engine Waste Heat Recovery

March 22, 2016

The 12 kW E32H067A-SH scroll expander was designed for 8 bara and 90 ºC inlet, and 2 bara discharge using R245fa. A running speed of 3,600 RPM allows a mass flow rate of 0.64 kg/sec. During initial testing, efficiencies of over 80% were achieved. Designed for the high shock and vibration environment around a diesel […]

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P32H076A-BLDC-LC Liquid-Cooled Scroll Compressor for Fuel Cell

Liquid-Cooled Scroll Compressor with Integrated Motor for Fuel Cell Vehicles

January 22, 2016

Fuel cell applications require oil-free air to prevent contamination of the fuel cell stack. When a major automotive company approached Air Squared in search of an oil-free air compressor, they knew they would find the compact, reliable, efficient, and oil-free product needed for a fuel cell-powered vehicle. Providing 700 SLPM of air at 3 barg, […]

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P19H38N5.25 5 HP Scroll Compressor

March 01, 2010

As the largest Air Squared scroll compressor to date, the 5 hp P19H38N5.25 is capable of 500 lpm at 125 psig. The AC powered unit features innovative integrated cooling.

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Automotive + Scroll Technology News

ACT Expo 2021 Logo

Advanced Clean Transportation Expo 2021

May 28, 2020

May 3rd – 6th, 2021 at the Long Beach Convention Center In May 2021, Air Squared will exhibit at the The Advanced Clean Transportation Expo, North America’s largest conference and expo showcasing the real-world application of advanced transportation technologies, drive trains, and clean fuels. Air Squared will showcase patented liquid-cooled scrolls technology that provides cutting-edge […]

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5 kW Spinning Scroll Expander

Low-Cost Spinning Scroll Expander for Improved Class 8 Commercial Transportation Fuel Economy

September 08, 2019

Continuing to find innovative solutions for compact, reliable, and cost-competitive scroll technology in automotive applications, Air Squared has been awarded Phase I Small Business Innovative Research (SBIR) funding for the development of the Low-Cost Scroll Organic Rankine Cycle (LOC-ORC). Under the topic Vehicles: Reduction of Thermal Systems and Friction Losses in Internal Combustion Engines, the […]

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Engine ORC Consortium 2016 Workshop

Engine ORC Consortium 2017 Workshop

March 27, 2017

Wednesday, November 15th – Friday, November 17th at Detroit Marriott Troy As a founding member of the Organizing Committee for the Engine Organic Rankine Cycle Consortium (EORCC), Air Squared will participate in the EORCC 2017 Workshop in Detroit, Michigan. The Engine ORC Consortium is a group of OEMs and suppliers involved in Organic Rankine Cycle […]

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Engine ORC Consortium 2016 Workshop

Engine ORC Consortium 2016 Workshop

July 20, 2016

Wednesday, September 15th – Friday, September 17th at Queen’s University Belfast As a founding member of the Organizing Committee for the Engine Organic Rankine Cycle Consortium (EORCC), Air Squared will participate in the EORCC 2016 Workshop in Belfast, Northern Ireland. The Engine ORC Consortium is a group of OEMs and suppliers involved in Organic Rankine […]

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Automotive ORC Consortium 2015 Workshop

October 18, 2015

The Automotive ORC Consortium 2015 Workshop is an open forum for technical sharing and learning about ORC systems.

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Custom Scroll Design

Contact Air Squared to learn how custom scroll design can support medical applications with the most advanced compressor and vacuum pump solution available.

Advanced Custom Design Capability for Automotive

For over twenty-five years, Air Squared has continuously challenged the limits of possibility with scroll technology. With an ever-expanding range of custom design capability, put our long history of innovation to work in your transportation application.

Oil-Free Scroll Design

Orbiting scroll technology offers a quiet oil-free alternative to traditional technology like piston, diaphragm, and vain.


With patented liquid-cooled scroll technology, scroll compressors can now be designed for pressure ratios that were previously unattainable.


When minimal power consumption is critical, leverage the inherent efficiency advantage of orbiting scroll technology.

Compact Footprint

Liquid cooling provides a compact compressor design that can fit in tight envelopes without sacrificing reliability or performance.

Elevated Temperatures

With highly effective liquid cooling, scroll compressors can be designed to withstand harsh temperatures and environmental conditions.