Aspen Systems
Aspen Systems is a US-based OEM manufacturer of miniaturized vapor-compression cooling systems, including Liquid Chiller Modules and Environmental Control Units, serving medical, military, semiconductor, laser, EV, and robotics equipment makers.
- Company typePrivate
- Founded1984
- HeadquartersMarlborough, United States
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
What Aspen Systems does
Aspen Systems is a privately held US manufacturer founded in 1984 and headquartered in Marlborough, Massachusetts, specializing in miniaturized vapor-compression cooling systems for OEM integration. The company developed the world's first miniature rotary refrigeration compressor at roughly one-tenth the size of competing units, and it leverages this core compressor technology across a portfolio that includes Liquid Chiller Modules (LCM), Environmental Control Units (ECU), Direct Expansion (DX) dry-cooling systems, 2U rack-mount chillers, and direct-refrigerant chip-cooling modules. Production operates from a single ISO 9001:2015 certified facility and approximately 90% of output is custom-engineered to individual OEM specifications.
The company sells exclusively on a quote-based model to equipment manufacturers serving medical and life-sciences, military and defense, electronics and semiconductor (including AI compute), electric-vehicle and battery, laser and photonics, and robotics end markets. Named integration partners include Welkins Medical, Cooler Heads, Ameripack, and EKSPLA. The company has accumulated a long track record of US government R&D recognition, including R&D 100 Awards in 2004 and 2006, the National Tibbetts Award in 2006, SBIR Technology of the Year in 1999, Army Most Valuable Small Business in 1998, and DLA Outstanding Readiness Support in 2003, and it spins out its compressor technology through a dedicated Aspen Compressor subsidiary incorporated in 2004.
In December 2024 Aspen launched the G-Series Liquid Chillers built around low-GWP refrigerants to align with the EPA AIM Act phasedown and EU F-Gas regulation timelines, and in 2026 it signed its first formal Asia-Pacific distribution agreement with Keystone International to enter the Japanese OEM market via the OPIE '26 exhibition. International growth is channel-mediated rather than owned, with presence at Photonics Munich, SOF Week, and SATELLITE supporting European and defense expansion alongside ruggedized deployment partners.
Aspen Systems firmographics
Firmographics- Name
- Aspen Systems
- Legal name
- Aspen Systems LLC
- Website
- https://aspensystems.com
- Company type
- Private
- Founded year
- 1984
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Aspen Systems is a US-based OEM manufacturer of miniaturized vapor-compression cooling systems, including Liquid Chiller Modules and Environmental Control Units, serving medical, military, semiconductor, laser, EV, and robotics equipment makers.
- Ownership category
- akta.pro rank
Aspen Systems industry classification
Industry- Product category
- Industrial Cooling Systems / Thermal Management
- NAICS
- Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (33341), Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing (333415), Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (3334)
- SIC
- Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585), Refrigeration & Service Industry Machinery (3580)
- akta.pro primary industry
- Chillers & Cooling Plant Equipment (IMAHAKAE)
- akta.pro secondary industries
- Cooling Systems & Thermal Management (CRAC/CRAH, Chillers, Liquid Cooling) (HDABAKAD), Heat Transfer Equipment (Heat Exchangers, Boilers, Condensers) (IMAHAEAC), Chillers, Boilers & Central Plant Operations (BPABACAG)
Keywords
Where Aspen Systems is headquartered
LocationHeadquarters
- HQ city
- Marlborough
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Aspen Systems business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Operations, Technology or R&D, Supply Chain, Marketing or Sales, Infrastructure
Revenue model
- Compact Cooling Hardware Sales: Sale of standard off-the-shelf liquid chiller modules (LCM-600, LCM-650, LCM-900, LCM-1400) and environmental control units (ECU-550, ECU-1800) with cooling capacities ranging from 550W to 4400W
- Custom OEM Cooling Solutions: Custom-designed cooling systems built to specification for OEM integration, including modified compressor capacities, custom air/fluid flow paths, integrated cold plate assemblies, and specialized mechanical packaging. Nearly 90% of production is custom solutions
- Direct Refrigerant Cooling Systems: DX/dry cooling systems that eliminate water lines and pumps, providing more reliable and efficient cooling for applications where water leakage poses risk to electronic components
- Low-GWP Eco-Friendly Chillers: G-Series liquid chillers using natural refrigerants (R-290 propane) with very low global warming potential for environmentally conscious applications
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Unit Pricing | Multi-year contract | Standard Liquid Chiller Modules (LCM Series) |
| Unit Pricing | Multi-year contract | Environmental Control Units (ECU Series) |
| Other | Multi-year contract | Custom OEM Solutions |
Go-to-market motion3 records
Distribution channels4 records
Marketing channels5 records
Aspen Systems product offering
Product offeringCore offering
Aspen Systems designs and manufactures miniaturized vapor-compression cooling systems for OEM integration, including Liquid Chiller Modules (LCM-600 through LCM-1400 and G-Series low-GWP variants), Environmental Control Units (ECU-550, ECU-1800), Direct Expansion (DX) dry cooling systems, and 2U rack mount cooling systems. Nearly 90% of production consists of custom-designed cooling solutions built to specific application requirements on top of these standard platforms.
Product overview
Aspen Systems offers miniaturized vapor compression cooling solutions, primarily comprising Liquid Chiller Modules (LCMs) in standard (R-134a) and G-Series (natural refrigerant R-290) variants ranging from 600W to 1400W capacity, Environmental Control Units (ECUs) for air cooling, and Direct Expansion (DX) dry cooling systems. The product line also includes 2U rack mount cooling systems and fully custom OEM solutions. The LCMs and ECUs serve as the foundational product families, while custom solutions build upon these proven platforms. The company pioneered miniature rotary refrigeration compressors and focuses on high-capacity cooling in small footprints for medical, military, semiconductor, laser, and EV applications.
Differentiator
Problem solved
Functional benefit
Brands
- G-Series: Eco-friendly liquid chillers using natural low-GWP refrigerants (R-290 propane) for sustainable cooling applications.
- LCM (Liquid Chiller Module)
- ECU (Environmental Control Unit)
- DX (Direct Expansion) Cooling
Products and services
- Liquid Chiller Modules (LCMs)
Quantifiable outcome
- 44% greater efficiency with Direct Expansion cooling compared to water-based systems
- +6 more outcomes
Companies that use Aspen Systems
Customer profileNamed customers4 records
Segments7 records
Ideal customer profiles5 records
Aspen Systems technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature6 records
Aspen Systems partnerships and signals
Strategic signalPartnerships
Six partnerships are on record, tiered regional and core.
- Keystone InternationalregionalExclusive distribution partnership for Japanese market. Keystone International represents Aspen Systems at OPIE '26 trade show in Japan, expanding Aspen's global reach into the Asian-Pacific region for miniature cooling solutions.
- EKSPLAcoreStrategic partnership with Lithuanian industrial laser manufacturer EKSPLA to integrate Aspen's Direct Expansion (DX) dry cooling system into SYLOS series femtosecond lasers. The DX system eliminates pumps and water lines that were the primary failure source in laser cooling applications. This collaboration resulted in EKSPLA receiving Laser Focus World's Gold Innovators Award for their integrated laser system.
- AmeripackcorePartnership with Ameripack for integration of Aspen's ECU-550 and ECU-1800 environmental control units into rugged transit cases for military applications. Joint presence at trade shows including SOF Week 2026 (Booth #2323) and SATELLITE 2026 (Booth 1842) to showcase integrated cooling solutions for deployable military electronics.
- Welkins, LLCcoreMedical device manufacturer using Aspen's LCM-900 liquid chiller module in TRS-2 cold cap system for chemotherapy-induced alopecia prevention. Welkins serves the oncology market through partnership with Arctic Cold Caps. Welkins cites Aspen's military-hardened technology providing confidence in clinical reliability.
- Arctic Cold CapsregionalOncology market sales partner for Welkins cold cap systems using Aspen cooling technology. Arctic Cold Caps leads sales efforts in the chemotherapy scalp cooling market, with CEO Ciro D'Angelo noting portability benefits for patients and clinic efficiency.
- Cooler HeadscoreFDA-approved portable scalp cooling device company founded by breast cancer survivor Kate Dilligan. Uses custom Aspen liquid chiller module weighing under 7 pounds for battery-powered portability enabling patients to receive treatment at home. CEO describes partnership as '10/10' with superior customer support.
Scale indicators8 records
Recent moves8 records
Expansion highlights5 records
Aspen Systems competitors and assessment
Company assessmentDirect peers
- Boyd Corporation (formerly Aavid): Boyd is a global thermal management specialist offering liquid cooling, cold plates, and vapor compression solutions across medical, military, and EV markets. It competes directly with Aspen in OEM-embedded thermal management with a much broader product portfolio.
- Lytron: Lytron manufactures compact liquid-to-air and recirculating chillers, cold plates, and cooling systems for OEM applications including medical imaging, laser, and semiconductor. It is a close comparable in compact liquid chiller modules targeting similar wattage ranges.
- Laird Thermal Systems: Laird Thermal Systems designs and manufactures thermoelectric and liquid cooling solutions for medical, industrial, and telecommunications OEMs. It is directly comparable to Aspen as a compact cooling module supplier targeting similar OEM integration use cases in medical and electronics.
- CoolIT Systems: CoolIT Systems specializes in direct liquid cooling for high-performance computing and AI/GPU data centers. It is highly comparable to Aspen's chip cooling for AI applications and direct refrigerant cooling portfolio.
- Wakefield-Vette: Wakefield-Vette is a thermal management and enclosure cooling solutions provider serving telecom, power electronics, and industrial OEMs. It overlaps with Aspen in ECU-style air cooling and compact thermal management for electronics enclosures.
- Custom Thermoelectric: Custom Thermoelectric designs and manufactures thermoelectric coolers and assemblies, and actively competes in the same compact active cooling replacement category where Aspen positions vapor compression against TEC alternatives.
Broad incumbents
- Rittal: Rittal is a large enclosure and IT infrastructure manufacturer offering liquid cooling packages for data centers and industrial enclosures. It overlaps with Aspen's 2U rack mount and ECU product lines as a broader incumbent with global scale.
- Thermo Fisher Scientific (cooling/refrigeration division): Thermo Fisher produces laboratory and life-science refrigeration and cooling equipment for DNA sequencers and analytical instruments, partially overlapping with Aspen's Life Sciences customer segment as a much larger incumbent with broader portfolio offerings.
Emerging players
- TE Technology: TE Technology is a niche thermoelectric cooler manufacturer serving medical, scientific, and industrial OEM applications. It is comparable as an alternative active cooling technology provider competing for similar compact OEM design wins.
- Advanced Thermal Solutions: Advanced Thermal Solutions (ATS) designs and manufactures heat sinks, cold plates, and liquid cooling solutions for electronics and semiconductor OEMs. It overlaps with Aspen's direct refrigerant and chip cooling offerings in electronics and AI applications.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks5 records
Key highlights7 records
Customer concentration
Aspen Systems social profiles
Digital presenceAspen Systems compliance and trust
Trust signalCompliance3 records
Aspen Systems financial estimates
Financial estimateRevenue estimate
Valuation estimate
Aspen Systems leadership team
Management profileNumber of profiles
Profiles1 record
Aspen Systems funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Aspen Systems M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Aspen Systems
What does Aspen Systems do?
Aspen Systems designs and manufactures miniaturized vapor-compression cooling systems for OEM integration, including Liquid Chiller Modules (LCM-600 through LCM-1400 and G-Series low-GWP variants), Environmental Control Units (ECU-550, ECU-1800), Direct Expansion (DX) dry cooling systems, and 2U rack mount cooling systems. Nearly 90% of production consists of custom-designed cooling solutions built to specific application requirements on top of these standard platforms.
Is Aspen Systems a public or private company?
Aspen Systems is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Aspen Systems founded?
Aspen Systems was founded in 1984. It employs 11 to 50 people.
Where is Aspen Systems based?
Aspen Systems is headquartered in Marlborough, United States, in the North America region.
How does Aspen Systems make money?
Four revenue lines are on record. Compact Cooling Hardware Sales are the primary driver. The others are custom OEM Cooling Solutions, direct Refrigerant Cooling Systems and low-GWP Eco-Friendly Chillers.
Who are Aspen Systems's main competitors?
Direct peers on record are Boyd Corporation (formerly Aavid), Lytron, Laird Thermal Systems, CoolIT Systems, Wakefield-Vette and Custom Thermoelectric. Broad incumbents are Rittal and Thermo Fisher Scientific (cooling/refrigeration division). Emerging players are TE Technology and Advanced Thermal Solutions.
Does Aspen Systems have an API?
No public API is recorded for Aspen Systems.
What industry is Aspen Systems in?
Aspen Systems's product category is Industrial Cooling Systems / Thermal Management. Its primary akta.pro industry code is IMAHAKAE, Chillers & Cooling Plant Equipment, with a secondary code of HDABAKAD, Cooling Systems & Thermal Management (CRAC/CRAH, Chillers, Liquid Cooling). Its NAICS code is 33341 and its SIC code is 3585.