The Global Leader in Miniature Cooling Systems
Delivering high-performance, energy-efficient cooling systems
Founded in 1984, Aspen Systems is a privately held U.S. manufacturer specializing in miniature vapor compression cooling systems. With roots in SBIR and military programs, we’ve evolved into a global supplier serving defense, life sciences, photonics, semiconductors, and EV markets.
Who We Are
- Headquartered in Marlborough, Massachusetts
- Over 50,000 systems deployed globally
- ISO 9001:2015 certified U.S. manufacturing
Our Expertise
Aspen Systems designs compact, high-capacity cooling solutions with industry-leading power density and energy efficiency. Our systems operate on 12V, 24V, or 48V DC and provide cooling capacities up to 2 kW — ideal for portable and embedded applications.
Cooling Methods
- Liquid Cooling: Recirculating heat transfer fluids (Water, EGW, PGW, etc.)
- Air Recirculation: Environmental control via open or closed loop airflow
- Direct Refrigerant Expansion (Dry Cooling): Conductive cold plate cooling for electronics, lasers/optics, and semiconductors
| Product | Cooling Capacity | Power | Applications |
|---|---|---|---|
| Liquid Chiller Modules (LCMs) | 600-2000 W | 12/24/48 VDC | Compact fluid cooling for precise thermal management |
| Environmental Control Units (ECUs) | 550-1800 W | 24/28 VDC | Ruggedized, military-grade air cooling for harsh environments |
| Direct Refrigerant (Cold Plates) | Up to 2 kW | 24/48 VDC | Direct contact cooling for chips, ICs, lasers, and semiconductors |
| Custom Systems | Configurable | Per spec. | Custom-engineered to meet unique thermal challenges |
Built-In Quality and Reliability
At Aspen Systems, quality is built in.
Performance
- 100% product testing and Certificate of Conformance
Reliability
- Minimum 5 leak checks per unit
- Hydrogen and helium testing
- Computerized system-level validation
- ISO 9001:2015 Registered
Why Choose Aspen Systems
- Ultra-Compact: World’s smallest variable-speed compressor
- Efficient: Unmatched cooling performance for its size and current draw
- Reliable: Proven MTBF in demanding environments
- Powerful: Cooling capacity greater than systems 10× larger
Technology Advantage
- Variable-speed compressors (2,000–6,500 RPM)
- High power density in a small footprint
- Supports low-voltage and high-capacity applications
Leadership That Drives Innovation
Aspen Systems’ success is powered by a team of industry pioneers and innovators who have advanced miniature cooling technology for nearly four decades. Our leaders bring proven expertise in defense research, military programs, and commercial thermal management, guiding Aspen’s commitment to reliability, precision, and customer partnership.
Proud USA Manufacturer
All Aspen Systems products are designed, manufactured, and tested in Marlborough, Massachusetts, supporting defense and commercial partners worldwide with American-made quality.
Our History
1984
Founded as a research company developing miniature vapor compression technology.
1990
Developed miniature cooling systems for dismounted soldiers, advancing portable defense cooling.
Early 2000’s
Supplied our first commercial product, marking Aspen Systems’ transition from R&D to production.
2021
2023
Introduced compact, high-COP cooling technology for advanced battery thermal management.
Today
Leader in compact, energy-efficient thermal management systems with over 50,000 units deployed globally.
Markets We Serve
Laser & Industrial Systems
Directed energy, radar electronics, mission payloads, SATCOM equipment
Automotive & EV
- EV battery and power electronics cooling
- Charging station and cabin environment control
Electronics & Semiconductors
- Chip and IC testing
- Data center and sensor cooling
Aerospace & Avionics
- Compact, high-performance cooling systems
- Precision manufacturing and high-duty electronic equipment
- Miniature vapor compression technology
Medical & Life Sciences
- Chemotherapy scalp cooling
- DNA sequencing and lab equipment cooling
- Laser and aesthetic medical devices
Military & Defense
- Soldier cooling systems
- JLTV vehicle environmental control
- Ruggedized and airborne electronics
- Medical & Life Sciences
Trusted by Industry Leaders
Frequently asked questions
What does Aspen Systems specialize in?
Aspen Systems designs and manufactures compact, energy-efficient miniature cooling systems for military, medical, life sciences, semiconductor, and EV applications. Their systems include liquid cooling modules, customized cold plates, and environmental control units.
Where is Aspen Systems located, and do they manufacture in the USA?
Aspen Systems is headquartered in Marlborough, Massachusetts, and all manufacturing is done in the USA. The company is ISO 9001:2015 registered, ensuring high-quality production standards.
How long has Aspen Systems been in business?
Founded in 1984, Aspen Systems has over 40 years of experience in miniature vapor compression cooling technology and has deployed more than 50,000 systems globally.
Which industries and applications use Aspen Systems' cooling solutions?
Their cooling systems are used across multiple industries:
- Military & Defense: Soldier cooling, ruggedized electronics, airborne sensors
- Life Sciences & Medical: Lab equipment, DNA sequencing, chemotherapy scalp cooling
- Semiconductor & Electronics: Chips, IC testing, data center cooling
- EV & Automotive: Battery storage, charging systems, cabin environment cooling
What makes Aspen Systems’ cooling solutions unique?
Aspen Systems’ products are ultra-compact, highly reliable, and energy-efficient, offering:
- Highest cooling capacity for their size
- Low maintenance and long MTBF (Mean Time Between Failures)
- Variable-speed compressors with precise temperature control
- Customizable and configurable solutions to meet specific engineering requirements
Get a Quote | Application Questions
Please send us your requests; our team is happy to help.
You can also reach us by email at: info@aspensystems.com
or by phone number at (508) 281-5322