Report Highlights

Refrigerated Trucks in the U.S.: Market Overview

The U.S. refrigerated truck market, covering temperature-controlled straight trucks, box trucks and tractor-trailer reefers, was valued at USD 5.4 billion in 2024 and is forecast to reach USD 8.1 billion by 2032. Demand is anchored in the food supply chain, where the FDA's Food Safety Modernization Act has made temperature-controlled transport a compliance requirement rather than a commercial choice. Federal policy has shaped the market's form more than any private initiative, from emissions rules to refrigerant law.

Private operators led the market's commercial build-out. Kroger and Sysco run large private reefer fleets, while Great Dane, Wabash National and Utility Trailer Manufacturing dominate trailer production, with Carrier Transicold and Thermo King supplying most transport refrigeration units. Government has been the dominant force in equipment specification, through EPA and CARB emissions limits, and in fleet electrification, through IRA-era grants and tax credits, while private carriers set the pace on unit replacement cycles.

Policy-Driven Growth for U.S. Refrigerated Trucks

EPA's greenhouse gas standards for heavy-duty vehicles, issued under Section 202 of the Clean Air Act, set Phase 2 limits for model years 2021 to 2027 and Phase 3 limits for model years 2027 to 2032. Manufacturers meet these by re-engineering tractors and reefer units, so fleets replacing ageing equipment buy newer, lower-emission models. Fleets also pre-buy compliant units before each model-year cutoff, creating demand spikes ahead of each compliance date.

The Inflation Reduction Act's Section 45W credit delivers up to USD 40,000 per commercial vehicle above 14,000 lb GVWR, while EPA's USD 1 billion Clean Heavy-Duty Vehicles programme funds replacement of diesel box trucks, lowering the upfront cost gap that otherwise holds back electric reefer adoption. CARB's Transport Refrigeration Unit Airborne Toxic Control Measure phases in zero-emission requirements for transport refrigeration units in California, creating a separate electric reefer procurement track that operates independently of federal policy.

Regulatory Barriers and Compliance Costs

The FDA's Sanitary Transportation of Human and Animal Food rule, codified at 21 CFR Part 1 Subpart O under the Food Safety Modernization Act, requires shippers and carriers to maintain temperature controls, written procedures and training records, with large-business compliance in force since April 2017. Carriers absorb costs for sanitation logs, temperature data loggers and driver training, and non-compliance exposes them to FDA enforcement and civil penalties.

EPA administers the AIM Act's HFC allowance system, under which allowance cuts and the Technology Transitions rule restrict high-GWP refrigerants in new transport refrigeration equipment, raising unit prices for operators. CARB's TRU rule requires registration and emissions compliance for every unit operated in California, while FTA-funded public fleets must satisfy Buy America requirements under 49 U.S.C. 5323(j), restricting procurement of foreign-built units.

Policy-Created Opportunities in the United States

EPA's Clean Heavy-Duty Vehicles programme, funded at USD 1 billion under the Inflation Reduction Act, creates a subsidised demand category for zero-emission box trucks and straight refrigerated trucks, particularly for urban grocery and foodservice distribution. Grant recipients receive funding for vehicle replacement, which accelerates the retirement of diesel units that would otherwise remain in service through the decade.

The Section 45W credit and HFC transition rules together create a retrofit and replacement opportunity for transport refrigeration unit suppliers. Operators migrating to low-GWP refrigerants must replace compressors, controls and refrigerant charges, giving Carrier Transicold and Thermo King a service-led revenue stream. Public food and transit fleets subject to Buy America requirements also create a protected procurement channel for domestic trailer manufacturers.

Market at a Glance

Leading Market Participants

• Great Dane
• Wabash National
• Utility Trailer Manufacturing
• Hyundai Translead
• Carrier Transicold
• Thermo King
• Daimler Truck North America
• PACCAR
• Navistar
• Morgan Corporation

Regulatory and Policy Environment

The primary legislation governing this market is Section 202 of the Clean Air Act, implemented through EPA's Greenhouse Gas Emissions Standards for Heavy-Duty Vehicles, Phase 3, finalised in 2024, with compliance from model year 2027. The American Innovation and Manufacturing Act of 2020, enacted as Division S of Public Law 116-260, empowers EPA to phase down hydrofluorocarbons, with a 70 percent reduction scheduled for 2029. The Food Safety Modernization Act, administered by the FDA, governs sanitary transport, while the Inflation Reduction Act of 2022 (Public Law 117-169) sets 45W credit eligibility, administered through the Internal Revenue Service. California's Air Resources Board adds state-level rules through its TRU Airborne Toxic Control Measure.

Compared with regional peers, the U.S. framework is less prescriptive on zero-emission sales than Canada's Medium- and Heavy-Duty Zero-Emission Vehicle Standard, which sets sales targets from the 2026 model year. The European Union's Regulation (EU) 2019/1242 requires heavy-duty CO2 reductions of 15 percent by 2025 and 30 percent by 2030 against a 2019 baseline. Mexico's NOM-044 emissions limits broadly track U.S. engine standards, so the U.S. remains the principal regulatory reference point across North America.

Long-Term Policy Outlook for U.S. Refrigerated Trucks

By 2032, the AIM Act's HFC phasedown will progress to an 80 percent reduction in 2034 with interim steps in 2029, forcing continuous migration to low-GWP transport refrigeration units. EPA's Phase 3 standards will tighten through model year 2032, keeping replacement demand elevated across the forecast period. Expiry of the 45W credit for vehicles acquired after 2032 will create a purchase deadline that pulls electric truck orders into the final years of the forecast.

Federal rollbacks in 2025 have shifted regulatory risk toward litigation and state-level rulemaking, leaving California and the Northeast states as the primary zero-emission demand centres. Operators will therefore manage dual compliance, with diesel units retained for interstate routes and electric units deployed in urban and regulated zones. The combined effect will reshape the market toward low-GWP, hybrid-ready refrigeration systems by 2032.