American Cooling Systems

What American Cooling Systems does

American Cooling Systems (ACS), founded in 1999 and headquartered in Grand Rapids, Michigan, designs and manufactures polymer engine cooling fans for OEMs and the aftermarket. The company operates a portfolio of 32 unique fan series spanning diameters from 14 inches (355mm) to 49.2 inches (1250mm), offered in both clockwise and counter-clockwise rotations with 32-plus standard pilot and bolt circle configurations. Its core technology centers on proprietary polymer blade designs that achieve peak static efficiency between 38.87% and 61.51% depending on series, reducing engine horsepower demand relative to traditional metal fans. Custom machining services for fan blades, pilots, bolt circles, and shaft-mount adapters differentiate the offering for niche and demanding applications.

ACS generates revenue through three streams: direct OEM supply of cooling fans as standard equipment to vehicle and equipment manufacturers, aftermarket replacement fan sales through a global distributor network, and custom fan machining services. The company supplies enterprise OEMs across agricultural, construction, commercial truck, bus, engine, motor home, off-highway, on-highway, and military markets, with named customers including Caterpillar, Volvo, Scania, OshKosh, JLG, Case, PACCAR, and Spartan. Pricing is quote-based under multi-year contracts, with no public pricing tiers or e-commerce checkout, and the company maintains a secondary office in Deerfield, Illinois alongside its Grand Rapids headquarters.

The go-to-market combines direct sales-led OEM engagement with a channel-partner-led aftermarket model. The aftermarket distribution network spans 11 countries across North America, South America, Central America, the Caribbean, Europe, the Middle East, and Oceania, including multiple Cummins distributor divisions and Cadel-UAP. ACS has earned supplier recognition from PACCAR (Supplier of the Year) and Spartan Motors (Quality Supplier Award), and operates as a privately held LLC with 11-50 employees and no disclosed institutional investors or parent company.

Name

American Cooling Systems

Legal name

American Cooling Systems, LLC

Website

https://americancooling.com

Company type

Private

Founded year

1999

Operating status

Operating

Headcount range

11–50 employees

Short description

American Cooling Systems is a privately held polymer engine cooling fan manufacturer based in Grand Rapids, Michigan, supplying 32 fan series to global OEMs including Caterpillar, Volvo, Scania, OshKosh, JLG, Case, and PACCAR across heavy equipment, commercial truck, agricultural, and military markets, with an aftermarket distributor network spanning 11 countries.

Ownership category

akta.pro rank

Product category

Engine Cooling Fans

NAICS

Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing (333413)

SIC

Industrial & Commercial Fans & Blowers & Air Purifing Equip (3564)

akta.pro primary industry

Automotive Coolant & Refrigerant Circuit Components (Pumps/Valves/Reservoirs/Expansion Devices) (IMACALAE)

Keywords

• Engine cooling fans
• Polymer cooling fans
• OEM fan supply
• Aftermarket replacement fans
• Custom fan machining

Headquarters

HQ city

Grand Rapids

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Technology or R&D, Marketing or Sales

Revenue model

1. OEM Fan Supply: ACS supplies cooling fans as standard equipment to OEM manufacturers in agricultural, construction, commercial truck, bus, engine, motor home, off-highway, on-highway, and military markets. Revenue is generated through direct supply agreements with vehicle and equipment manufacturers.
2. Aftermarket Replacement Fans: ACS offers a full line of replacement fans for most applications through its distributor network, serving vehicle owners and fleet operators seeking OEM-quality replacement parts.
3. Custom Fan Machining: Custom machining services for fan blades, pilots, bolt circles, and shaft-mount adapters to meet specific customer requirements.

Pricing tiers

Go-to-market motion2 records

Distribution channels2 records

Marketing channels4 records

Core offering

American Cooling Systems designs and manufactures polymer engine cooling fans for global OEMs and aftermarket part distributors. Its portfolio spans 32 unique fan series from 14 inch (355mm) to 49.2 inch (1250mm) diameters, in clockwise and counter-clockwise rotations, and includes custom machining of blades, pilots, bolt circles, and shaft-mount adapters.

Product overview

American Cooling Systems offers a portfolio of 32 unique Polymer engine cooling fan series for OEM and Aftermarket use. The product lineup spans diameters from 14" (355mm) to 49.2" (1250mm), including clockwise (CW) and counter-clockwise (CCW) rotation options, with 32+ standard Pilot/Bolt Circles. Key series include the 002/003 Series (11-blade, 20"-34"), 367/368/369 Series (9-blade CCW, 20"-40"), 368 Big Fan (modular design, up to 49"), 439/440/441 Series (9-blade CW, 20"-32"), 443/444/445 Series (9-blade CCW, 20"-32"), 449 Series (10-blade compact, 14"-24"), 482/483 Series (6-blade, 20"-32"), 828 Series (7-blade CCW, 20"-36"), and 890 Series (8-blade, 20"-32"). The company also provides custom machining of fan blades, pilots, and bolt circles, as well as custom shaft-mount adapters. ACS fans demonstrate high performance levels maximizing airflow while reducing demand on engine horsepower, available in diameters up to 1250mm.

Differentiator

Problem solved

Functional benefit

Products and services

• 002/003 Series 11 Blade CW unit spanning 20" (508mm) to 34" (863mm), designed for continuous operation in all applications with high efficiency, performance, and sound characteristics. Features rugged design and high-quality materials for extreme conditions.
• 134, 135, 904, 905 Series Fan series listed in the product catalog for various engine cooling applications.
• 215, 216, 217 Series Fan series listed in the product catalog for various engine cooling applications.
• 216 Big Fan Large diameter fan variant for high-capacity engine cooling applications.
• 296 Series Fan series listed in the product catalog for various engine cooling applications.
• 367, 368, 369 Series 9 Blade CCW units spanning 20" (508mm) to 40" (1016mm). Premium fan series optimized for airflow efficiency and engineered for relentless operations across diverse applications, with rugged construction and top-tier materials. Peak static efficiency of 59.36%.
• 368 Big Fan Segmented/modular fan with individual plastic-molded fan blades characterized by high durability, high flow, and high efficiency. Pilots available 1" to 10.43", Bolt Circles available 1.97" to 10.11". Custom Pilots and Bolt Circles available. Peak static efficiency of 49.81%.
• 391, 392, 393 Series 9 Blade CW unit spanning 20" (508mm) to 32" (812mm). Engineered for maximum efficiency and durability with a sturdy build and high-quality materials for consistent performance in challenging conditions.
• 439, 440, 441 Series 9 Blade CW units spanning 20" (508mm) to 32" (812mm). Solution for cooling requirements, optimizing airflow efficiency and built to withstand continuous operation across diverse applications with a rugged design for extreme conditions.
• 443, 444, 445 Series 9 Blade CCW units spanning 20" (508mm) to 32" (812mm). Efficiency and optimal air movement series engineered to maximize airflow efficiency and crafted to endure continuous operation. Peak static efficiency up to 61.51%.
• 449 Series 10 Blade CW unit spanning 14" (355mm) to 24" (609mm). Compact yet powerful unit, highly adept at circulating large volumes of air while maintaining an impressive efficiency curve to minimize total cost of ownership.
• 482, 483 Series 6 Blade CW units ranging from 20" (508 mm) to 32" (812 mm). Built for continuous operation across a wide range of applications, delivering exceptional cooling performance with a peak static efficiency of 46.04%.
• 781, 782, 783 Series Fan series listed in the product catalog for various engine cooling applications.
• 828 Series 7 Blade CCW unit spanning 20" (508mm) to 36" (914mm). Robust 7 blade configuration designed for maximum efficiency using high grade polymers, offering significant airflow with unwavering performance. Peak static efficiency of 53.61%.
• 890 Series 8 Blade CW units spanning 20" (508mm) to 32" (813mm). Manufactured for efficient airflow and engineered to endure relentless operation, with a rugged design and premium materials for sustained performance under harsh conditions.
• Custom Fan Machining Custom machining services for fan blades, pilots, bolt circles, and shaft-mount adapters to meet specific OEM and customer requirements.
• Aftermarket Replacement Fans A full line of OEM-quality replacement cooling fans for most applications, sold through the distributor network to vehicle owners and fleet operators.

Quantifiable outcome

• Peak static efficiency up to 61.51% (443/444/445 Series)
• +5 more outcomes

Named customers7 records

Segments8 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Ten partnerships are on record, tiered core and major.

• PACCARcoreChannel Partner/ Reseller/ DistributorPACCAR is a major OEM customer (manufacturer of Kenworth and Peterbilt trucks) that has recognized ACS with Supplier of the Year award, indicating a strong strategic supplier relationship.
• Spartan MotorscoreChannel Partner/ Reseller/ DistributorSpartan Motors awarded ACS their Quality Supplier Award, recognizing consistent quality delivery for specialty chassis used in RV, emergency, and defense applications.
• CaterpillarcoreChannel Partner/ Reseller/ DistributorCaterpillar is a global OEM customer for ACS cooling fans, featured on the company's homepage as a trusted partner.
• VolvocoreChannel Partner/ Reseller/ DistributorVolvo is a global OEM customer for ACS cooling fans, featured on the company's homepage as a trusted partner.
• ScaniacoreChannel Partner/ Reseller/ DistributorScania is a global OEM customer for ACS cooling fans, featured on the company's homepage as a trusted partner.
• OshKoshcoreChannel Partner/ Reseller/ DistributorOshKosh is a key OEM customer for ACS cooling fans, particularly for military vehicle applications, featured on the company's homepage as a trusted partner.
• JLGcoreChannel Partner/ Reseller/ DistributorJLG is an OEM customer for ACS cooling fans, serving the aerial work platform market, featured on the company's homepage as a trusted partner.
• CasecoreChannel Partner/ Reseller/ DistributorCase is an OEM customer for ACS cooling fans, serving the agricultural and construction equipment markets, featured on the company's homepage as a trusted partner.
• Cummins Distributor NetworkcoreChannel Partner/ Reseller/ DistributorACS products are distributed through multiple Cummins distributor divisions including Atlantic, Central Power, Crosspoint, Eastern Canada, Mid-South, Mid-America, Natural Gas Engines, and Western Canada across the United States and Canada.
• Cadel-UAPmajorChannel Partner/ Reseller/ DistributorCadel-UAP is a distributor network for ACS products with locations in Langley BC, Mississauga ON, Montreal QC, and St-Laurent QC in Canada.

Scale indicators3 records

Recent moves6 records

Expansion highlights4 records

Direct peers

• Multi-Wing America: Multi-Wing is a direct competitor designing and manufacturing polymer adjustable-pitch engine cooling fans for heavy-duty trucks, ag, and construction equipment. Overlapping product, customer base, and material technology make it the most comparable peer to ACS.
• Horton: Horton manufactures engine cooling fans, fan drives, and thermal management components for heavy-duty trucks, buses, and off-highway equipment. It competes head-to-head with ACS for OEM design wins at Class 8 truck and vocational vehicle manufacturers.
• Flexxaire: Flexxaire designs and manufactures reversible, variable-pitch engine cooling fans primarily for heavy-duty and off-highway applications. Comparable technology profile (engineered polymer fan blades, OEM and aftermarket channels) and overlapping end markets make it a strong direct peer.
• SPAL Automotive: SPAL designs and manufactures electric and mechanical fans for automotive, heavy-truck, and off-highway applications. It overlaps with ACS in engine cooling fans for commercial vehicles and competes in similar aftermarket channels.

Broad incumbents

• Modine Manufacturing: Modine is a large, diversified thermal-management manufacturer serving commercial vehicles, off-highway, and industrial markets. While its portfolio extends well beyond engine cooling fans, it competes with ACS for OEM thermal-system content in commercial trucks and heavy equipment.
• BorgWarner: BorgWarner is a global Tier-1 automotive supplier with thermal-management products for ICE and hybrid commercial vehicles. It is a much larger incumbent with broader capabilities, but competes for the same cooling-fan and related thermal content at heavy-truck OEMs.
• EBM-Papst: EBM-Papst is one of the world's largest fan and blower manufacturers, supplying industrial, HVAC, and automotive segments. While it operates at vastly greater scale, it is comparable as a fan-design specialist that competes for thermal-airflow content in commercial vehicles and industrial machinery.
• Howden: Howden is a global supplier of industrial fans, blowers, and air-handling equipment serving power generation, mining, and process industries. While focused on heavy industrial applications, its fan engineering capabilities overlap with ACS's engineered-solutions positioning in mining and specialty off-highway segments.
• Continental (ContiTech): Continental's ContiTech division supplies belts, hoses, and related drivetrain components to commercial-vehicle and industrial OEMs. A broad Tier-1 incumbent whose commercial-vehicle thermal-accessory portfolio competes for adjacent content on the same OEM platforms ACS serves.

Emerging players

• Kysor Warren (Epta): Kysor Warren / Epta designs transport refrigeration and cooling systems for trucks and trailers. Adjacent thermal-management product category serving commercial-vehicle fleets; overlaps with ACS's heavy-truck customer base though focused on refrigeration rather than engine cooling.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about American Cooling Systems