Molly Ayala
Electric vehicles (EVs) are increasingly popular, but many people are unsure about how they differ from traditional cars. One common question is whether or not electric vehicles have heaters. In short, they do, but they work differently from heaters in petrol or diesel cars. In this article, we will explore the different types of heaters available for electric vehicles and how they impact the car's performance and efficiency. We will also discuss some alternatives to electric heaters for those looking to camp in their electric vehicles.
| Characteristics | Values |
|---|---|
| Electric vehicle heaters | Available in various power and voltage classes |
| Heating technology | PTC heaters |
| Use | Heating the passenger space and conditioning the high-voltage battery |
| Where to buy | Amazon, AutoZone, eBay, Walmart |
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What You'll Learn
- Electric vehicle heaters are available in various power and voltage classes
- The traction battery of electric vehicles is sensitive to low temperatures
- High-voltage air heaters are cost-effective for small and medium-sized cars
- Low-voltage air heaters are available in 12 V and 48 V versions
- Electric heat is not feasible in a normal vehicle
Electric vehicle heaters are available in various power and voltage classes
Eberspächer's heating solutions aim to provide pleasant temperatures in the passenger compartment while conserving the battery. Their electrical heaters use PTC technology, which guarantees a high level of intrinsic safety against overheating. PTC heaters are integrated into the vehicle battery cooling circuit to ensure ideal operation. High-voltage air heaters are cost-effective solutions for small and medium-sized passenger cars, warming the passenger compartment by being installed directly in the vehicle's air-conditioning system.
Additionally, portable car heaters are available in 12V and 24V options, with adjustable thermostats and 360-degree rotatable functionality. These heaters can be plugged into a cigarette lighter socket for convenience.
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The traction battery of electric vehicles is sensitive to low temperatures
Electric vehicles (EVs) are sensitive to low temperatures, and this sensitivity particularly affects the traction battery. The battery's performance and charging process are both impacted by cold temperatures. As a result, the range of the EV may be significantly reduced. To ensure ideal operation, a PTC heater can be integrated into the vehicle battery cooling circuit. PTC heaters are inherently safe and protect against overheating.
Eberspächer offers a range of electrical heaters for EVs, including low- and high-voltage coolant and air heaters. These heaters can be customised to fit the specific voltage and heating power requirements of different EV models. The low-voltage air heaters, for example, are available in 12 V and 48 V versions, while the high-voltage coolant heaters are designed to fit almost every vehicle model through individual plugs and connectors.
High-voltage air heaters are a popular choice for small and medium-sized passenger cars as they are cost-effective and can be installed directly in the vehicle's air-conditioning system. They provide warmth to the passenger compartment, ensuring a pleasant temperature for occupants. This type of heater also offers a wide variety of geometries due to its installation in the vehicle's air-conditioning system.
Additionally, Eberspächer's heating solutions focus on headspace heating, which is especially useful in convertibles. This involves installing a high-voltage air heater in the backrest of the seats, warming the occupant's neck. By addressing the heating needs of different vehicle types and customer preferences, Eberspächer's electrical heaters optimise comfort and mobility for EV owners.
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High-voltage air heaters are cost-effective for small and medium-sized cars
Electric vehicles (EVs) require heating systems to maintain comfortable internal temperatures, especially in colder climates. High-voltage heaters are one such solution, and they are particularly well-suited for small and medium-sized cars due to their compact size and energy efficiency.
High-voltage PTC heaters are independent of the drive system and are integrated into the ventilation system. They have a capacity of up to 7 kW and function similarly to a hair dryer. The PTC heating elements are placed near the air outlets, heating the air as it flows past and then circulating it back into the vehicle interior. This direct heating method is highly efficient and effective for small to medium-sized cabins, quickly raising the internal temperature.
The compact design of high-voltage heaters makes them ideal for smaller vehicles. Their small size means they can be easily integrated into various vehicle models without taking up too much valuable space. This versatility is a significant advantage, especially for smaller cars with limited room for additional components.
In addition to their space-saving benefits, high-voltage heaters offer cost-effectiveness. As the automotive industry embraces diverse powertrain technologies, market leaders are creating cost-effective heating solutions to meet evolving demands. High-voltage heaters efficiently convert DC power into heat with minimal losses, reducing the amount of energy drawn from the battery. This efficiency is crucial for electric vehicles, as heating systems can consume a significant proportion of the battery's energy, impacting the vehicle's range.
Furthermore, high-voltage heaters provide a safe and reliable heating option. PTC (Positive Temperature Coefficient) technology inherently protects against overheating, enhancing safety and providing peace of mind for vehicle owners. This safety feature is especially important for small and medium-sized cars, where space constraints may limit the placement of traditional heating systems.
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Low-voltage air heaters are available in 12 V and 48 V versions
Electric vehicles (EVs) are sensitive to low temperatures, which can affect their charging process and range. To ensure ideal operation, a PTC heater is integrated into the vehicle battery cooling circuit. PTC technology guarantees a high level of intrinsic safety against overheating.
Eberspächer offers low-voltage air heaters in 12V and 48V versions. These heaters are customised solutions for interior air conditioning, with integrated electronics. The heating solution is designed individually per application, allowing for different climate zones within the vehicle.
The 12V low-voltage air heaters are the predecessor to the high-voltage air heaters, which are now used for full electric vehicle applications. The high-voltage heaters are installed directly into the vehicle's own air-conditioning system and are a cost-effective solution for small and medium-sized passenger cars.
The 12V heaters are limited in power due to the maximum current draw available from the lighter socket and will only produce warm, not hot, air. They are suitable for instant warmth in a very small concentrated area, such as defrosting the windshield.
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Electric heat is not feasible in a normal vehicle
The thermal management system, which regulates the temperature of the battery, electric motor, and other components, drains the battery. When the driver turns on the cabin heat, the battery must power the HVAC system and other devices such as the defroster and seat warmers. This results in a direct hit of 4-8 kW on the battery, in addition to the energy used for the drivetrain. As a result, range losses of up to 50% have been observed.
To address this issue, some EVs have a feature called preconditioning, which allows the vehicle to be heated while it is plugged into a charger, drawing energy from the wall rather than the battery. However, this is only a temporary solution, as once the vehicle is unplugged and on the road, the battery must power the heating system.
While some solutions have been proposed, such as self-heating batteries and harnessing pulses of electric current from the car's motor, these are still in the development stage and may not be widely available. Therefore, until more efficient solutions are found, electric heat is not a feasible option for normal vehicles.
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Frequently asked questions
Yes, electric vehicles can have heaters. There are various heating solutions available for electric vehicles, including low- and high-voltage coolant and air heaters. These heaters are designed to heat the passenger compartment and ensure ideal operation of the vehicle battery.
Different types of heaters are available for electric vehicles, such as portable car heaters, gasoline car heaters, and diesel car heaters. These heaters can be purchased from various retailers and installed in the vehicle.
Electric vehicle heaters use PTC (Positive Temperature Coefficient) technology, which provides intrinsic safety against overheating. These heaters are integrated into the vehicle's battery cooling circuit or air-conditioning system to maintain optimal temperatures.
Yes, some alternatives to electric heaters include using heated blankets, sleeping bags, or winter camping gear. These options can help conserve energy and provide warmth during cold weather. Additionally, diesel heaters or propane heaters are alternative heating methods that can be considered.
