We offer custom-designed and manufactured solutions optimized to meet our partners’ specific requirements in relatively low production volumes from low hundreds to low thousands of units per year at reasonable prices.


Based on our own in-house developed, variable speed, miniature compressors, we provide the smallest packaged cooling solutions with the highest cooling capacity possible allowing our partners to easily integrate our thermal solutions into small spaces inside their console, chassis, or device.


With tens of thousands of cooling units in service worldwide from MedTech to military applications, our products have proven durability. Aspen’s ISO 9001:2015 Quality Management System ensures highly reliable systems with less maintenance and fewer service calls.


Aspen’s products, with high efficiency, variable speed, brushless DC motor compressor, have demonstrated higher efficiency than any other compact thermal solution on the market. Thermoelectric-based systems consume up to 5 times more power than Aspen’s products.


While our thermal systems are small, often less than a shoebox, our cooling capacity is not. Powered by our own variable speed miniature compressor, our compact systems produce cooling capacity greater than systems ten times their size. You cannot find this level of cooling in this size package anywhere else.


Aspen offers several standard products that were developed to meet the need for thermal management systems that are compact, reliable, lightweight, and efficient. All of Aspen’s products were designed by our team of engineers and are manufactured in-house by our trained technicians. Each product that ships goes through rigorous performance and leak tests, and is thoroughly inspected to make sure it meets Aspen’s quality standards.

Liquid Chiller Module (LCM) Series

Aspen developed a series of liquid chiller modules that provide the core cooling system (compressor, condenser, expansion valve, evaporator) and can be customized by our engineers to meet client specific thermal and spacial requirements.

The miniature LCM has been used in a wide variety of industries including medical, life science, laboratory instruments, electronics cooling, laser cooling, and personal cooling.

Eco-friendly, low GWP versions of the LCM are in development to meet all future environmental standards.


  • Part Number : FP00039
  • Nominal Cooling Capacity : 600 Watts
  • Dimensions  (L x W x H) : 199 x 161 x 134 mm (7.8 x 6.3 x 5.3 in)
  • Weight : 2.7 kg (6.0 lb)
  • Nominal Voltage : 24 VDC
  • Max Power Draw (@Nominal Voltage) :  360 Watts
  • Includes Fan and Shroud : No


  • Part Number : FP00066, FP00102
  • Nominal Cooling Capacity : 1,400 Watts
  • Dimensions  (L x W x H) : 335 x 228 x 212 mm (13.2 x 9.0 x 8.4 in)
  • Weight : 5.5 kg (12.0 lb)
  • Nominal Voltage : 48 VDC, 24VDC
  • Max Power Draw (@Nominal Voltage) :  480 Watts, 360 Watts
  • Includes Fan and Shroud : Yes


  • Part Number : FP00116
  • Nominal Cooling Capacity : 650 Watts
  • Dimensions  (L x W x H) : 225.6 x 192 x 136.9 mm (8.88 x 7.56 x 5.39 in)
  • Weight : 2.85 kg (6.27 lb)
  • Nominal Voltage : 24 VDC
  • Max Power Draw (@Nominal Voltage) :  360 Watts
  • Includes Fan and Shroud : Yes

Custom LCM

Aspen manufactures custom liquid chiller modules for many of our clients. Our engineers will help select the proper form factor, working refrigerant, compressor, and heat exchangers to make the subassembly meet your cooling needs. We will also work with your team on the critical interfaces of the system (electrical, mechanical, fluid, airflow, etc) making integration of our system as simple as possible for your manufacturing team. From prototype to production, we’re with you every step of the way, ensuring quality and reliability at every stage.


  • Part Number : FP00097
  • Nominal Cooling Capacity : 900 Watts
  • Dimensions  (L x W x H) : 191 x 224 x 137 mm (7.5 x 8.8 x 5.4 in)
  • Weight : 3 kg (6.6 lb)
  • Nominal Voltage : 24 VDC
  • Max Power Draw (@Nominal Voltage) :  360 Watts
  • Includes Fan and Shroud : Yes

Environmental Control Unit (ECU) Series

Aspen’s ECU Series are ruggedized miniature air conditioning systems designed and developed specifically to meet the demands of the military operational environment. The ECU cools, heats, or dehumidifies the air in an operational transit case and is used by multiple programs to condition rack-mounted COTS electronics in mobile military systems. Fully qualified for military use, the ECU Series is shipping into multiple programs including WIN-T and JLTV.


  • Part Number : FP00027
  • Nominal Cooling Capacity : 550 Watts
  • Dimensions  (L x W x H) : 22.8 x 47.0 x 17.0 cm 9.0 x 18.5 x 6.7 in
  • Weight : 9.1 kg (20 lbs)
  • Nominal Voltage : 28 VDC
  • Maximum Power Draw @ 28 VDC :  420 Watts


  • Part Number : FP00050
  • Nominal Cooling Capacity : 1,800 Watts
  • Dimensions  (L x W x H) : 39.4 x 47 x 29 cm 15.5 x 18.5 x 11.5 in
  • Weight : 16.5 kg (36.2 lbs)
  • Nominal Voltage : 28 VDC
  • Maximum Power Draw @ 28 VDC :  900 Watts

Custom Systems

If you don’t see what you are looking for in our product lineup talk to us about our custom solutions. Most of the products we manufacture are custom-designed or modified standard products for our volume production customers. We have developed solutions for medical devices, life science, laboratory, electronics, laser, military, and electric vehicle customers. We can design a miniature cooling system to meet the requirements of your application. To learn more, go to our custom solutions page. Or, please Contact Us for a free evaluation of your application.

Air Cooling

Direct Refrigerant

Liquid Cooling

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