Electric Vehicles PTC Auxiliary Heaters Market Size, Share, Growth, and Industry Analysis, By Type (Immersion Heaters, Radiator Heaters, Pad Style Heaters), By Application (Battery Electric Vehicle (BEV), Plug-in Hybrid Electric Vehicle (PHEV)), Regional Insights and Forecast to 2034

Electric Vehicles PTC Auxiliary Heaters Market Overview

The Electric Vehicles PTC Auxiliary Heaters Market size was valued at USD 312.69 million in 2025 and is expected to reach USD 1433.75 million by 2034, growing at a CAGR of 19.3% from 2025 to 2034.

The Electric Vehicles PTC Auxiliary Heaters Market addresses electric vehicle (EV) heating requirements by supplying Positive Temperature Coefficient (PTC) heaters — electric resistance heaters that provide cabin and battery pre-heating/cabin heating without reliance on engine waste heat. In 2024, global EV registrations surpassed 10.5 million units, which implies a proportional demand base for auxiliary heaters along with rising EV adoption globally. Many EVs require PTC auxiliary heaters to maintain cabin comfort and battery performance in cold climates, making PTC heaters an essential component in modern EV thermal management systems. As more regions adopt EVs and colder-climate use increases, demand for PTC auxiliary heaters continues to scale.

In the United States, EV sales reached around 1.2 million units in 2024, driving growing demand for PTC auxiliary heaters to support winter driving and cabin comfort. Approximately 68% of U.S. EV buyers report cold-weather performance and cabin heating as a key consideration when selecting a model, boosting PTC heater adoption in new EVs sold domestically. Many U.S. EV models now include PTC auxiliary heaters as standard equipment, especially in northern or cold-weather states — increasing penetration of PTC heater components across the domestic EV fleet and reinforcing the importance of the U.S. market in global Electric Vehicles PTC Auxiliary Heaters Market Outlook.

• 

  Request a Free sample to learn more about this report.

Key Findings

• Key Market Driver: 67% of new EV models in cold-climate markets specify PTC auxiliary heaters as standard equipment.
• Major Market Restraint: 42% of low-cost EV models in warm-climate regions omit PTC heaters, limiting market penetration.
• Emerging Trends: 53% of PTC heater installations in 2023–2025 include integrated cabin-and-battery heating systems.
• Regional Leadership: Europe and North America together account for roughly 52–55% of global PTC auxiliary heater demand.
• Competitive Landscape: Top two PTC heater manufacturers hold about 26–30% share of global supply contracts.
• Market Segmentation: In 2024, immersion-style PTC heaters comprised about 38% of shipments, radiator-style about 45%, pad-style about 17%.
• Recent Development: Global shipments of PTC auxiliary heaters rose by nearly 20% in 2024 compared to 2023, coinciding with increased EV deliveries in cold regions.

Electric Vehicles PTC Auxiliary Heaters Market Latest Trends

The Electric Vehicles PTC Auxiliary Heaters Market is experiencing strengthened growth driven by rising EV adoption, increased focus on cold-climate usability, and integration of heating systems for both cabin comfort and battery thermal management. In 2024–2025, about 53% of new EV models launched globally incorporated integrated PTC auxiliary heater systems that provide dual functionality — cabin heating and battery pack pre-conditioning — enhancing vehicle appeal in colder geographies and supporting battery performance during low temperatures.

A notable trend is the rise of immersion-type PTC heaters, particularly for battery pack heating and thermal stabilization. In 2024, around 38% of PTC heater shipments globally were immersion-style units, reflecting growing demand for battery pre-heat in cold climates before charging or driving, thereby improving battery efficiency and longevity. Radiator-style PTC heaters, used mainly for cabin heating, accounted for approximately 45% of shipments, making them the dominant type globally, while compact pad-style heaters comprised the remaining 17%, used in smaller EV cabins or compact vehicles.

Another trend is increasing adoption in Plug-in Hybrid Electric Vehicles (PHEVs) alongside Battery Electric Vehicles (BEVs). As automakers seek to offer EV variants suitable across climates, PTC auxiliary heaters are being specified in PHEVs as a standard feature — nearly 48% of PHEV models released in 2024 included PTC heaters, up from 35% in 2022. This broadens the addressable market beyond pure BEVs.

Moreover, as environmental awareness grows, OEMs are focusing on high-efficiency PTC heater designs with improved thermal insulation and reduced power draw. Manufacturers report that nearly 41% of new PTC heater models launched in 2024 deliver improved energy efficiency and faster cabin warm-up times, meeting consumer expectations for energy-efficient EV heating solutions.

The trend toward winter-ready EV variants and enhanced user comfort has elevated the status of PTC auxiliary heaters from optional accessories to essential components in mainstream EV models, reinforcing their role in Electric Vehicles PTC Auxiliary Heaters Market Growth and Market Forecast.

Electric Vehicles PTC Auxiliary Heaters Market Dynamics

DRIVER

Growing EV adoption in cold-climate regions and rising demand for effective cabin and battery heating

The core driver of the Electric Vehicles PTC Auxiliary Heaters Market is the accelerating global EV adoption in regions with moderate to cold climates where cabin heating and battery thermal management are critical. For example, in North America and Europe, winter temperatures often drop below freezing, making effective cabin heating an essential comfort and safety feature. As a result, automakers are specifying PTC auxiliary heaters as standard equipment for nearly 67% of their EV models deployed in these climates.

Beyond cabin comfort, PTC heaters contribute significantly to battery pack performance and longevity by enabling pre-conditioning and thermal stabilization during cold weather. Cold starts, charging at sub-optimal temperatures, or winter driving can degrade battery health — PTC immersion heaters integrated into battery systems help maintain optimal temperature, ensuring reliable performance and extending battery life. This dual benefit — occupant comfort and battery preservation — is boosting demand for PTC auxiliary heaters across both BEVs and PHEVs globally, underpinning continuous market growth.

RESTRAINT

Cost sensitivity and omission in warm-climate or entry-level EVs limit adoption

Despite increasing demand in cold climates, a key restraint for the Electric Vehicles PTC Auxiliary Heaters Market is cost sensitivity among automakers and consumers, especially in warm-climate regions or entry-level EV segments. Around 42% of EV models designed for tropical or moderate climates, or economical city-commuter EVs, omit PTC auxiliary heaters to reduce vehicle cost and simplify thermal systems. In those regions, air-cooling or basic HVAC heaters serve, limiting market penetration for PTC products.

Additionally, integrating PTC heaters—especially dual-function immersion or combined cabin and battery heaters—adds complexity to vehicle design, wiring, and thermal management architecture, increasing manufacturing cost and design overhead. For low-cost EV manufacturers operating under tight cost constraints, these additional costs may outweigh perceived benefits, restraining widespread adoption. For the Electric Vehicles PTC Auxiliary Heaters Market, this limits addressable vehicles to mid- and high-tier EVs and those sold in cold climates, curbing overall penetration rate.

OPPORTUNITY

Retrofitting, aftermarket replacements, and expanding EV market across diverse geographies

The Electric Vehicles PTC Auxiliary Heaters Market has significant opportunity in retrofitting and aftermarket components as early EVs age or are modified for varied climates. Many early EV adopters might retrofit existing models with PTC auxiliary heaters — especially when migrating to colder regions, upgrading battery or thermal systems, or improving winter performance. This creates a substantial aftermarket demand beyond OEM supply.

As EV penetration expands across geopolitically and climatically diverse geographies (e.g., colder parts of Asia-Pacific, Eastern Europe, South America highlands), demand for PTC heaters rises accordingly. Automakers targeting markets in Russia, Canada, Nordic countries, Northern China, or high-altitude zones are more likely to include PTC auxiliary heaters — expanding the addressable market.

Furthermore, advances in heater technology — such as compact radiator-style PTC heaters, pad-style cabin heaters, and modular immersion units — allow easier retrofit or OEM integration across a variety of EV platforms. Suppliers offering modular, easy-install PTC solutions can cater to both OEMs and aftermarket channels, benefitting from expanding demand for enhanced thermal comfort in EVs globally.

CHALLENGE

Standardization, energy efficiency concerns, and regulatory safety requirements

One major challenge for the Electric Vehicles PTC Auxiliary Heaters Market is the lack of global standardization: EV manufacturers use different battery types, coolant fluids, cabin HVAC architectures, and power systems, which makes designing universal PTC heaters difficult. Adapting heaters to varied voltage standards, cooling architectures, or packaging constraints requires flexible design or custom solutions — increasing manufacturing complexity and cost.

Energy efficiency is another concern: PTC heaters draw significant electrical power — often multiple kilowatts — which impacts driving range, especially in cold climates when heating demand is high. Manufacturers and consumers are wary of heating systems that substantially reduce EV driving range; thus, efficiency and power draw optimization are critical. Moreover, in some regions, regulatory standards regarding heater performance, fire safety, and electromagnetic compatibility require rigorous testing and certification — extending development cycles and increasing cost, which can hinder rapid adoption or retrofit programs.

Segmentation Analysis

The Electric Vehicles PTC Auxiliary Heaters Market is segmented by Type of heater and by Application (vehicle type) — helping OEMs, tier-1 suppliers, and aftermarket vendors design products aligned with use-case requirements, cabin size, battery capacity, and vehicle configuration.

By Type

Immersion Heaters

Immersion-type PTC auxiliary heaters are designed for integration into battery pack coolant loops or battery thermal management systems. These heaters immerse in coolant fluid — usually glycol-based coolant — to deliver direct heat to the battery pack or coolant, enabling effective pre-heating before charging or driving in cold climates. Immersion heaters are especially critical in regions where ambient temperatures drop significantly; pre-heating can reduce battery viscosity, improve charging efficiency, and extend battery life. Many EVs sold in cold regions now offer immersion PTC heaters as standard — accounting for about 38% of global PTC heater shipments in 2024.

Due to rising demand for battery thermal management, immersion heaters are increasingly specified for not only cabin heating but also battery performance optimization. As BEV battery capacities grow — many exceeding 80 kWh — the volume of coolant and thermal load increases, making immersion-style heaters more relevant. Their ability to maintain battery temperature during idle periods, charging, or cold starts significantly improves battery reliability and customer satisfaction.

Radiator Heaters

Radiator-style PTC auxiliary heaters are designed for cabin heating, functioning as part of the vehicle’s HVAC system to distribute warm air through a heat exchanger rather than coolant loops. These heaters are popular in mid-size and large EVs where cabin space is large and efficient airflow heating is required. In 2024, radiator-style heaters accounted for approximately 45% of all PTC heater shipments globally, making them the dominant type.

Radiator heaters offer benefits such as faster warm-up times, space-efficient HVAC integration, and lower complexity compared to immersion-based battery heaters. They are particularly favored in markets with moderate winters or for drivers prioritizing cabin comfort without requiring battery pre-heating. OEMs often pair radiator PTC heaters with heat-pump systems in premium EVs to optimize energy use, offering versatility across diverse climate conditions.

Pad Style Heaters

Pad-style PTC heaters are compact, flexible heating elements — often placed under seats or floor mats — designed for smaller cabin spaces, compact EVs, or supplementary heating (e.g., seat-warming, floor warming). These heaters are less common but useful in small EVs or city cars, and in regions with mild winters where full cabin heating is not essential. In 2024, pad-style heaters comprised about 17% of PTC heater shipments globally, serving a niche segment of compact vehicles and secondary heating applications.

Pad-style heaters are valued for their low energy consumption, low cost, and simplicity. For small city EVs, micro-EVs, or budget PHEVs, pad heaters can provide basic comfort without significantly impacting battery range — presenting an economical entry point for heating systems where full HVAC integration may not be cost-effective.

By Application

Battery Electric Vehicle (BEV)

In Battery Electric Vehicles (BEVs), PTC auxiliary heaters play a critical role in both cabin comfort and battery thermal management. As of 2024, more than 88% of new BEV models launched globally include liquid-cooling or coolant-loop thermal management systems — making PTC immersion heaters essential for battery pre-heating, coolant temperature regulation, and overall thermal safety.

Given high-capacity battery packs (often 60–100 kWh or more), BEVs generate substantial heat during charging or driving; PTC heaters help stabilize battery temperature, especially in cold-weather climates, preventing capacity loss or charging inefficiency. Additionally, cabin comfort heaters (radiator-style or pad-style) are standard in most BEVs sold in markets with moderate winters — ensuring passenger comfort without relying on engine waste heat as in ICE vehicles. Thus, BEVs represent the largest application segment for PTC auxiliary heaters.

Plug-in Hybrid Electric Vehicle (PHEV)

Plug-in Hybrid Electric Vehicles (PHEVs) also represent a substantial application segment for PTC auxiliary heaters. As of 2024, approximately 62% of new PHEV models introduced globally feature liquid-cooling or HVAC systems that incorporate PTC heaters — replacing simpler air-heating systems used in earlier or low-cost hybrids.

In PHEVs, PTC heaters are used for cabin heating when the internal combustion engine is off (in electric-only mode) and for battery pack thermal management during charging or electric driving. Even though PHEV battery packs are smaller (commonly 8–20 kWh), PTC heaters ensure proper thermal performance and cabin comfort in electric-mode operation. Also, some PHEVs use PTC heaters for coolant pre-heating before engine start or during low-temperature startup, improving hybrid system efficiency and reducing emissions.

Because PHEVs bridge conventional and pure electric vehicles, PTC heater demand in this segment adds volume to the overall Electric Vehicles PTC Auxiliary Heaters Market beyond BEVs alone, expanding the vendor addressable market.

Regional Outlook

• The global Electric Vehicles PTC Auxiliary Heaters Market shows diverse regional performance influenced by EV adoption rates, climate conditions, regulatory requirements, and local consumer preferences.

North America

North America — particularly the United States and Canada — remains a major market due to high EV adoption and significant cold-climate regions. With around 1.2 million EVs sold in the U.S. in 2024 and high consumer demand for winter-ready EVs, PTC auxiliary heaters are often specified as standard equipment in northern and cold-weather states. Many EV buyers (around 68%) cite cabin heating and cold-weather performance as purchase criteria, driving demand for PTC heaters. This makes North America a key region for both OEM supply and aftermarket PTC heater replacement, boosting regional share of global market for electric auxiliary heaters.

Europe

Europe continues to be a robust market for PTC auxiliary heaters, driven by widespread EV adoption, stringent emissions regulations, and prevalence of cold-climate countries. European automakers increasingly integrate radiator-style PTC heaters and immersion-style battery heaters into BEVs and PHEVs. Countries with cold winters and high EV penetration represent a substantial portion of heater demand. Additionally, retrofit demand and maintenance cycles in mature European EV fleets support continuous aftermarket business for heater suppliers.

Asia-Pacific

Asia-Pacific is emerging as a high-growth region for PTC auxiliary heaters, especially as EV sales expand in China, South Korea, Japan, and parts of Southeast Asia. While many early EV models in warmer climates omitted PTC heaters, rising consumer expectations for comfort and growing urban winters in parts of the region are pushing adoption. Moreover, as mid-range and premium EV models gain traction, demand for radiator-style and immersion PTC heaters increases. With increasing EV market share and geographical spread, Asia-Pacific represents a key growth market for heater manufacturers.

Middle East & Africa

In Middle East & Africa, climate tends to be warmer, which historically reduced importance of cabin heaters; but rising EV adoption and import of EV models from cold-climate markets is gradually creating modest demand for PTC auxiliary heaters — especially for battery thermal management and occasional cabin heating during rare cold snaps or high-altitude regions. As EV adoption slowly grows and consumers seek premium comfort, this region presents a niche but emerging market for PTC heater suppliers, especially for battery safety and after-sales replacement parts.

List of Top Electric Vehicles PTC Auxiliary Heaters Companies

• Eberspächer — leading global supplier of EV PTC auxiliary heaters with estimated 15–17% share of global supply contracts, known for integrated cabin and battery heating solutions for multiple OEMs.
• Backer Group — major competitor specializing in radiator-style and immersion PTC heaters, holding roughly 12–14% global market share, supplying to EV OEMs and after-market kits worldwide.
• Dongfang Electric Heating Technology
• MAHLE
• DBK Group
• Shanghai XINPA
• Shanghai Xinye Electronics
• HGTECH
• Mountain Source
• Sharing Electronics
• GMN, Headway
• STEGO
• Calienté
• Xingchen Electric Heater
• KLC
• Beno Electric
• ROTFIL
• Mitsubishi Heavy Industries
• Woory Corporation
• Suzhou Xinye Electronic
• Jahwa Electronics
• Zhengyang Electronic Mechanical

Investment Analysis and Opportunities

For investors and component manufacturers, the Electric Vehicles PTC Auxiliary Heaters Market offers considerable opportunities tied to EV growth, cold-climate demand, and retrofit potential. With global EV sales reaching over 10.5 million in 2024, and increasing EV fleet penetration in cold regions, demand for PTC auxiliary heaters is expected to rise, making it a strategic area for investment.

Investment in manufacturing capacity focused on radiator-style and immersion-type PTC heaters can yield substantial returns, especially by targeting OEM supply for BEVs and PHEVs in cold-climate markets. Given that approximately 67% of new EV models for such markets already specify PTC heaters, suppliers with scalable production capabilities can secure long-term contracts.

The aftermarket and retrofit market is another opportunity: as early EV owners upgrade or replace HVAC and battery thermal systems, demand for replacement PTC heaters and accessory kits grows. Suppliers offering modular, plug-and-play heater kits compatible with multiple EV platforms — especially for regionally popular models — may tap into substantial retrofit business.

Emerging markets — notably in Asia-Pacific — provide further upside. As EV adoption expands beyond major cities into colder or temperate regions, demand for EVs equipped with PTC heating systems increases. Establishing local supply chains or assembly units in such regions can reduce logistics costs and increase competitiveness, offering a strategic investment path.

Finally, development of energy-efficient, compact, and smart PTC heaters (with integrated sensors, thermal management electronics, and modular architectures) presents potential for premium differentiation. Given rising emphasis on energy efficiency, range preservation, and battery health, advanced PTC heaters with low power draw and efficient heating cycles could command premium pricing and margin — offering investors strong return potential in next-generation EV components.

New Product Development

Recent product development within the Electric Vehicles PTC Auxiliary Heaters Market reflects evolving EV thermal management needs. In 2024–2025, several manufacturers launched dual-function PTC auxiliary heaters combining cabin heating and battery thermal management in a single integrated unit — enabling both driver comfort and battery protection with fewer components. These new heater modules reduce system complexity and save space while offering enhanced functionality.

Another innovation trend is compact radiator-style PTC heater units with improved energy efficiency: newer models introduced in 2024 achieved faster cabin warm-up times — approximately 25% quicker than previous generations — while drawing 15–20% less power, thereby minimally impacting EV range during winter operation.

Manufacturers are also developing immersion-style PTC heaters compatible with low-freezing-point coolant mixes, enabling battery pre-heating before charging or driving in sub-zero climates, improving cold-weather performance and battery longevity. These heaters accommodate diverse coolant chemistries and are designed for durability over long service intervals.

Further, modular aftermarket retrofit PTC heater kits have been designed — for both BEVs and PHEVs — allowing existing EV owners to upgrade their heating systems without major vehicle modification. Several such kits launched in 2025 support plug-and-play installation and are compatible with voltage standards (12 V or 24 V), offering a cost-effective alternative for older EVs lacking robust thermal management.

Finally, smart PTC heater components with embedded sensors and control electronics for real-time temperature monitoring, automatic heating control, and integration with vehicle thermal management systems have been introduced — enhancing safety, energy efficiency, and user comfort. These advanced products represent the next generation of EV thermal solutions and reflect the evolving needs of OEMs and consumers for efficient, reliable heating systems.

Five Recent Developments (2023–2025)

1. In 2024, global shipments of PTC auxiliary heaters increased by nearly 20% compared to 2023, driven by expanding EV deployment in cold markets and rising demand for winter-ready heating systems.
2. In early 2025, a leading supplier launched a dual-function PTC heater module combining cabin and battery heating — simplifying thermal architecture and reducing component count per EV by 22%.
3. Between 2023 and 2025, immersion-type PTC heaters for battery pre-heating gained significant traction: their global share of PTC shipments rose from 30% to 38%.
4. In 2024, several new EV models from Asian and European automakers began offering radiator-style PTC heaters as standard in mid-range trims — expanding PTC heater adoption beyond premium EV segments.
5. In 2025, more than 7 aftermarket retrofit PTC heater kits compatible with 12 V and 24 V systems were launched globally, targeting older EV and PHEV owners, boosting retrofit market potential.

Report Coverage of Electric Vehicles PTC Auxiliary Heaters Market

This Electric Vehicles PTC Auxiliary Heaters Market Report provides an exhaustive analysis of global and regional demand patterns, heater type segmentation, application by EV type (BEV and PHEV), and evolving market dynamics through 2023–2025. It covers heater types including immersion, radiator, and pad-style PTC units, with detailed shipment share breakdown (38% immersion, 45% radiator, 17% pad-style in 2024).

The report includes regional insights for major markets — North America, Europe, Asia-Pacific, Middle East & Africa — exploring factors such as EV adoption rates, climate, consumer preferences, retrofit demand, and regulatory environment influencing PTC heater uptake. Competitive landscape analysis profiles leading suppliers, notably two top companies with approximately 26–30% global supply share, highlighting their product portfolios, OEM partnerships, and aftermarket strategies.

Market dynamics are elaborated — drivers (cold-climate EV adoption, battery and cabin heating need), restraints (cost sensitivity, warm-climate EV models without heaters), opportunities (retrofit kits, emerging markets, energy-efficient heater development), and challenges (standardization, energy efficiency, supply-chain constraints, safety/regulatory compliance). Product development trends such as dual-function heaters, improved radiator-style units, immersion heaters for battery thermal management, and retrofit kits are detailed along with recent global shifts in shipments and adoption patterns.

For B2B stakeholders — including EV OEMs, tier-1 thermal-system suppliers, component manufacturers, aftermarket kit producers, and investors — this Electric Vehicles PTC Auxiliary Heaters Market Insights report offers actionable data and strategic guidance for technology sourcing, manufacturing investment, product portfolio expansion, and market entry across regions and vehicle segments.