New 3M™ Cooling Film helps fleet and rail operators keep cabin interiors cooler and improve efficiency

3M (MMM) introduced 3M™ Cooling Film, a roof-applied thermal management film designed to keep transportation vehicle cabins cooler and improve operational efficiency.

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3M (MMM) introduced 3M™ Cooling Film, a roof-applied thermal management film designed to keep transportation vehicle cabins cooler and improve operational efficiency.

The film reflects more than 85% of solar radiation and can reduce interior temperatures by up to 10°F, lowering cooling demand without additional energy use. It is engineered to withstand UV exposure, rain and temperature cycling while maintaining high reflectivity. Targeted applications include last-mile delivery fleets, refrigerated trucks and trailers, and passenger rail vehicles. Additional features include a durable, dirt- and chemical-resistant coating, a five-year warranty, and quick professional installation to minimize downtime.

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Applied to vehicle roofs, the highly reflective performance film uses thermal management technology to reduce heat buildup and help keep interiors noticeably cooler.

ST. PAUL, Minn., Sept. 2, 2026 /PRNewswire/ -- 3M (NYSE: MMM) is launching 3M™ Cooling Film, a roof-applied heat-management solution designed to help keep vehicle cabins cooler, reduce cooling demand, and improve operational efficiency as heat challenges intensify across transportation environments.

"Heat is an increasing challenge for transportation operations in warmer climates, affecting fleet efficiency, cargo and comfort," said Wendy Bauer, group president of 3M's Transportation and Electronics Business Group. "3M™ Cooling Film helps customers address those challenges when every degree matters."

The film uses advanced thermal management technology to reflect more than 85% of solar radiation. It is engineered to reduce heat buildup without requiring additional energy, while resisting UV exposure, rain and temperature cycling, and maintaining high reflectivity for years.

Depending on the application, operators can benefit from:

• Reduced interior vehicle temperatures by up to 10°F
• Reduced cooling demand and potential energy savings
• Reduced heat exposure for temperature-sensitive cargo
• Improved driver, operator and passenger comfort

Designed and tested for transportation applications

3M™ Cooling Film is designed for use on vehicle roofs, including:

• Last-mile delivery fleets
• Refrigerated trucks and trailers
• Passenger rail vehicles

Additional benefits of the film include:

• Durable coating resists dirt, chemicals and wear
• Five-year warranty
• Quick installation by professional installers to help minimize downtime and return vehicles to service faster

Supported by 3M's expertise in transportation, graphics, and advanced materials, 3M™ Cooling Film is part of the company's broader portfolio of heat-management and branding film solutions that help customers improve comfort, operational performance, and long-term value.

For more information about 3M™ Cooling Film, visit 3M.com/CoolingFilm.

About 3M

3M (NYSE: MMM) is focused on transforming industries around the world by applying science and creating innovative, customer-focused solutions. Our multi-disciplinary team is working to solve tough customer problems by leveraging diverse technology platforms, differentiated capabilities, global footprint, and operational excellence. Discover how 3M is shaping the future at 3M.com/news. 

 

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SOURCE 3M Company

FAQ

What is 3M™ Cooling Film launched by 3M (MMM)?

3M™ Cooling Film is a roof-applied heat-management film for transportation vehicles that reflects more than 85% of solar radiation. It is designed to reduce cabin heat buildup, lower cooling demand, and improve comfort without requiring additional energy.

How much can 3M™ Cooling Film reduce interior temperatures for MMM customers?

3M™ Cooling Film can reduce interior vehicle temperatures by up to 10°F, depending on the application. This reduction helps decrease cooling demand, supports potential energy savings, and can improve comfort for drivers, operators and passengers.

Which types of vehicles can use 3M™ Cooling Film from 3M (MMM)?

3M™ Cooling Film is designed for use on vehicle roofs in transportation applications, including last-mile delivery fleets, refrigerated trucks and trailers, and passenger rail vehicles. It targets operations facing heat challenges in warmer climates.

What are the main benefits of 3M™ Cooling Film for fleet and rail operators?

Key benefits include reduced interior temperatures by up to 10°F, reduced cooling demand and potential energy savings, lower heat exposure for temperature-sensitive cargo, and improved comfort for drivers, operators and passengers, as stated by the company.

How durable is 3M™ Cooling Film and what warranty does MMM provide?

3M™ Cooling Film is engineered to resist UV exposure, rain, temperature cycling, dirt, chemicals and wear while maintaining high reflectivity for years. It comes with a five-year warranty provided by 3M.

How is 3M™ Cooling Film installed on vehicles?

3M™ Cooling Film is applied to vehicle roofs by professional installers. The company highlights quick installation to help minimize downtime and return vehicles to service faster for fleet and rail operators.

Where can customers find more information about 3M™ Cooling Film from 3M (MMM)?

Customers can find more information about 3M™ Cooling Film by visiting 3M.com/CoolingFilm, where additional details about the product and its applications are available.