Choosing the Right Auxiliary Heater

Ever climbed into a car on a frosty morning, dreading the bone-chilling wait for the interior to warm up? Those first few minutes of a cold commute can be brutal, making you wish for a magic solution to instantly banish the winter chill. Well, fret no more! Auxiliary car heaters are here to be your winter warriors, pre-heating your car and saving you precious time and discomfort.

In this comprehensive guide, we'll delve deep into the world of auxiliary car heaters, exploring their different types, the factors to consider when choosing one, and how to use and maintain them effectively. So, buckle up and get ready to transform your cold commutes into comfortable journeys!

Why Use an Auxiliary Car Heater?

Let's face it, climbing into a freezing car on a winter morning is no fun. But auxiliary car heaters offer a multitude of benefits that go beyond simply boosting your comfort level. Here's a closer look at why you might consider installing one:

Increased Comfort: Imagine stepping into a toasty car on a chilly morning. Auxiliary car heaters take the edge off the initial coldness, allowing you to hit the road feeling warm and comfortable much faster. This can significantly improve your driving experience, especially during extended commutes.
Improved Safety: Defrosting windows can be a time-consuming and frustrating task, especially on mornings with heavy frost or ice. Auxiliary car heaters can significantly accelerate this process, ensuring you have clear visibility before setting off. This is a crucial safety factor, as impaired visibility due to frosted windows is a major contributor to winter accidents https://www.ace.aaa.com/insurance/claims/auto-insurance-claims/glass-damage.html.
Reduced Engine Wear and Tear: Cold starts are tough on your car's engine. The thick, cold oil struggles to circulate properly, increasing friction and wear on engine components. Auxiliary car heaters, particularly engine block heaters, pre-warm the engine oil, making cold starts smoother and reducing engine wear in the long run. According to a https://newsroom.aaa.com/2023/09/trust-but-verify-drivers-learn-to-use-driving-tech-but-on-their-terms/ study by the American Automobile Association, "vehicles that are plugged in overnight during cold weather can experience a 50% reduction in engine wear."
Saves Time: No more waiting for your car's heater to slowly warm up the interior. Auxiliary car heaters can significantly reduce the time it takes for your car to reach a comfortable temperature, allowing you to get on the road sooner. Those extra minutes saved in the morning can make a big difference in your daily routine.

While the benefits of increased comfort, safety, and reduced engine wear are clear, the impact on fuel efficiency is a bit more debatable. Some argue that a pre-heated engine might run more efficiently, leading to better gas mileage. However, others point out that the energy used by the auxiliary heater itself could negate any fuel savings. Ultimately, the impact on fuel efficiency depends on various factors like the type of heater, climate conditions, and driving habits.

Types of Auxiliary Car Heaters

Now that you're convinced of the advantages auxiliary car heaters offer, let's explore the two main types available:

Engine Block Heaters

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These heaters are designed to be installed directly on your car's engine block, typically near the oil pan. They work by plugging into a standard electrical outlet and using a heating element to warm the engine coolant. This pre-warms the engine oil, reducing friction and wear during cold starts.

Benefits of Engine Block Heaters:

Reduced engine wear and tear: By pre-warming the engine oil, engine block heaters make cold starts smoother, reducing the stress placed on internal components. This can significantly extend the lifespan of your engine, especially in regions with harsh winters.
Easier cold starts: Cold weather can make it difficult for your car's engine to crank and turn over. Engine block heaters take the chill off, allowing the battery to deliver the necessary power for a smooth and effortless start, even on the frostiest mornings.
Improved engine efficiency (debatable): Some studies suggest that pre-heating an engine with a block heater can lead to improved fuel efficiency. The logic behind this is that a warm engine runs more efficiently than a cold one. However, the actual impact on gas mileage can be difficult to quantify and depends on various factors like driving habits, trip length, and climate severity.
Can extend the lifespan of your engine: By reducing engine wear and tear during cold starts, engine block heaters can potentially add years to the life of your car's engine. This translates to significant cost savings in the long run, as replacing an engine is a major automotive repair expense.

Things to Consider with Engine Block Heaters:

Professional installation is recommended: While some experienced DIYers might be comfortable installing an engine block heater themselves, it's generally recommended to leave this job to a qualified mechanic. Improper installation can lead to leaks, damage to the engine block, or even electrical issues.
Compatibility: Not all vehicles have a dedicated spot for an engine block heater. Consulting your car's manual or a mechanic beforehand is crucial to ensure compatibility and avoid any potential complications during installation.
Access to an electrical outlet: Since engine block heaters draw power from a standard electrical outlet, you'll need to have a nearby plug to connect the heater during use. This might not be feasible for everyone, particularly those who park their cars on the street overnight.

Interior Auxiliary Heaters

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Interior auxiliary heaters, also known as cabin heaters, are designed to heat the passenger compartment directly. They come in various types, each with its own advantages and limitations:

Combustion Heaters

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These heaters function like miniature furnaces, burning fuel (usually diesel) to generate heat. A fan then circulates this warm air through the car's ventilation system, effectively heating the cabin. Combustion heaters are incredibly powerful and can heat large vehicles efficiently, even in very cold climates. However, they require proper ventilation to expel exhaust fumes and avoid carbon monoxide poisoning. Additionally, they can be noisy during operation due to the combustion process.

Electric Heaters

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These heaters draw power from your car's battery and use a heating element to generate warmth. They are generally quieter than combustion heaters and easier to install, often featuring a simple plug-and-play design. However, electric heaters can drain the battery if used for extended periods, especially on vehicles with lower battery capacities. Additionally, their effectiveness can be limited in extremely cold climates, as they may struggle to keep up with the rapid heat loss.

Ceramic Heaters

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These heaters utilize PTC (Positive Temperature Coefficient) ceramic elements to generate heat. PTC ceramic elements have the unique property of increasing their electrical resistance as they heat up. This self-regulating mechanism helps to prevent overheating and ensures efficient power consumption. Ceramic heaters are compact, lightweight, and can quickly heat a small car's interior. However, they may not be powerful enough for larger vehicles or those battling very cold winter temperatures.

Choosing the Right Auxiliary Car Heater

With an understanding of the different types of auxiliary car heaters available, it's time to navigate the selection process and find the perfect unit for your car. Here are some key factors to consider:

Climate: This is arguably the most crucial factor influencing your choice. If you live in a region with extremely cold winters and frequent sub-zero temperatures, a powerful option like a combustion heater might be necessary. Conversely, for milder climates with occasional frosty mornings, a less powerful electric or ceramic heater might suffice.
Car Type and Size: The size and insulation of your car will significantly impact the heating requirements. Larger vehicles with more interior volume naturally require a more powerful heater to achieve a comfortable temperature. Consider the cubic feet of your car's cabin space when making your selection.
Features and Budget: Auxiliary car heaters come with a variety of features, such as remote start capabilities, timers, and adjustable temperature settings. While these features can enhance convenience and user experience, they also tend to increase the cost. Determine your budget and prioritize the features most important to you.
Professional Installation vs. DIY: Engine block heaters typically require professional installation to ensure proper placement and avoid leaks or damage. While some electric and ceramic cabin heaters might be easier to install yourself, consulting a mechanic beforehand is always recommended, especially if you're unfamiliar with car electrical systems. Safety should always be the top priority.

Here's a table summarizing the key considerations when choosing an auxiliary car heater:

Climate

Consider the severity of your winter temperatures.

Car Type and Size

Larger vehicles require more powerful heaters.

Features and Budget

Prioritize features based on your needs and budget.

Installation

Professional installation is recommended for engine block heaters.

Additional Considerations:

Warranty: Choose a heater with a good warranty to ensure coverage for any potential defects or malfunctions.
User Reviews: Reading online reviews from other car owners can provide valuable insights into the real-world performance and user experience of different auxiliary car heater models.
Environmental Impact: Combustion heaters produce emissions. If environmental consciousness is a priority, consider a cleaner-burning option like a bio-diesel compatible heater or explore electric alternatives whenever possible.

By carefully considering these factors, you can make an informed decision and select the auxiliary car heater that best suits your needs, climate, and budget.

Safety Precautions with Auxiliary Car Heaters

Auxiliary car heaters are fantastic tools for combating winter chills, but safety should always be the top priority. Here are some essential precautions to remember:

Use a Certified Heater with Proper Installation:

Ensure your auxiliary heater is certified by a reputable safety organization to meet quality and safety standards. Don't be tempted to use unapproved or uncertified heaters, as they could pose electrical or fire hazards.
Particularly for engine block heaters, proper installation is crucial. A qualified mechanic can ensure the heater is positioned correctly, avoiding any leaks or damage to the engine block or surrounding components.

Follow Manufacturer's Instructions:

Every auxiliary car heater comes with a user manual detailing specific instructions for operation and maintenance. Take the time to read and understand the manual thoroughly. Following the manufacturer's guidelines will ensure safe and effective use of your heater.

Electrical Safety with Engine Block Heaters:

Engine block heaters typically connect to a standard electrical outlet. Only use a GFCI (Ground Fault Circuit Interrupter) outlet to prevent potential electrical shock hazards in case of a ground fault.
Inspect the electrical cord for any signs of damage or fraying before each use. A damaged cord poses a fire risk and should be replaced immediately.
Avoid running extension cords long distances to power your engine block heater. Overloaded or improperly sized extension cords can overheat and cause a fire. Ideally, park your car in a location with close access to a GFCI outlet.

Preventative Maintenance:

Regularly inspect your auxiliary car heater for any signs of wear or damage, especially to the heating element, electrical cords, and connection points.
Follow the manufacturer's recommended maintenance schedule, which might involve cleaning or replacing specific components periodically.

Safe Use of Combustion Heaters:

Combustion heaters produce carbon monoxide, a colorless and odorless gas that can be deadly. Ensure proper ventilation while using a combustion heater to prevent carbon monoxide build-up inside the car. Never run a combustion heater in a closed garage or any other enclosed space.
Only use the recommended fuel type specified by the manufacturer for your combustion heater. Using improper fuel can lead to malfunctioning, overheating, or even fire.

Fire Safety:

Keep flammable materials away from your auxiliary car heater, both inside the car and in the engine compartment.
Park your car on a solid, non-flammable surface like concrete or asphalt when using an auxiliary heater. Avoid parking on grass, leaves, or other combustible materials.

By following these safety precautions, you can ensure a safe and enjoyable experience using your auxiliary car heater to beat the winter chills.

Using Your Auxiliary Car Heater Effectively

Now that you've chosen the perfect auxiliary car heater and prioritized safety, let's explore how to use it effectively to get the most out of its capabilities:

Engine Block Heaters:

Optimum Placement: During installation, ensure the engine block heater is positioned correctly against a flat surface of the engine block, typically near the oil pan. This ensures optimal heat transfer to the engine coolant.
Timer Functionality (if available): Many engine block heaters come equipped with timers. Utilize this feature to your advantage by setting the heater to turn on automatically a few hours before you typically start your car in the morning. This pre-warms the engine by the time you need it, ensuring a smooth start and a warm cabin sooner.
Integration with Remote Start Systems (if applicable): If your car has a remote start system, consider integrating it with your engine block heater. This allows you to remotely start your car and activate the engine block heater simultaneously. By the time you reach your car, it will already be comfortably warm.

Interior Auxiliary Heaters:

Locating the Heater: Position the interior auxiliary heater strategically within the car's cabin for optimal heat distribution. Typically, floor mounting near the driver's seat or center console is a good option to ensure warm air circulation throughout the cabin.
Power Source and Battery Drain: For electric interior heaters, be mindful of the battery drain, especially during extended use. If possible, plug your car into a battery charger while using the heater to prevent a dead battery.
Fan Direction: Many interior auxiliary heaters have adjustable fan settings. During initial heating, use the high fan setting to circulate warm air quickly throughout the cabin. Once the desired temperature is reached, switch to a lower fan setting for quieter and more energy-efficient operation.

General Tips for Effective Use:

Planning and Preparation: During colder months, consider keeping your auxiliary car heater plugged in overnight, especially if you live in a region with harsh winters. This ensures the heater is readily available to warm your car whenever needed.
Adjusting Your Driving Habits: If you typically take short trips, an auxiliary car heater might not be as beneficial. The heater might not have enough time to fully warm the car's interior before you reach your destination. In such cases, remote start systems can be a good alternative, allowing the car to warm up while you're still at home.
Combining Auxiliary Heaters with Other Winterization Techniques: For maximum efficiency, consider using your auxiliary car heater in conjunction with other winterization strategies. Using winter window covers can help retain heat inside the car, while keeping a windshield scraper and de-icing spray handy can help you tackle frosty mornings more effectively.

By following these tips and understanding how to use your auxiliary car heater effectively, you can transform your chilly commutes into comfortable and enjoyable winter journeys.

Maintaining Your Auxiliary Car Heater

Just like any other car component, auxiliary car heaters require proper maintenance to ensure their longevity and optimal performance. Here's a breakdown of essential maintenance practices for both engine block heaters and interior auxiliary heaters:

Engine Block Heaters:

Regular Inspections: At least once a month, visually inspect the engine block heater for any signs of damage, wear, or leaks. Pay close attention to the heating element, electrical cord, and connection points.
Checking the Cord: Before each use, thoroughly inspect the electrical cord for any cuts, cracks, or fraying. A damaged cord poses a fire hazard and should be replaced immediately with a cord approved for outdoor use and rated for the heater's wattage.
Testing the Functionality: Periodically test your engine block heater to ensure it's functioning properly. You can do this by plugging it in for a short period and feeling the engine block for warmth. Consult your user manual or a mechanic for specific testing instructions for your particular model.
Seasonal Maintenance: At the beginning of winter, it's wise to have a qualified mechanic inspect your engine block heater to ensure proper operation and identify any potential issues before the cold weather arrives. In warmer months, consider disconnecting the heater and storing it in a cool, dry place to prevent dust buildup and potential damage.

Interior Auxiliary Heaters:

Cleaning the Unit: Dust buildup can impede the heater's performance. Regularly clean the unit's exterior with a damp cloth to remove dust and debris. Consult the user manual for any specific cleaning instructions to avoid damaging the internal components.
Checking the Fan: The heater's fan is crucial for circulating warm air throughout the cabin. Occasionally inspect the fan for dust buildup or obstructions that might hinder its operation. Some models might allow for detaching the fan for easier cleaning.
Following Manufacturer's Recommendations: The manufacturer's user manual will likely outline specific maintenance procedures for your particular interior auxiliary heater model. Refer to the manual for any recommended cleaning intervals, replacement parts, or troubleshooting steps.
Storage During Warmer Months: During spring and summer, consider storing your interior auxiliary heater in a cool, dry place. This helps prevent dust buildup and protects the unit from extreme heat and sunlight.

By incorporating these maintenance practices into your routine, you can ensure your auxiliary car heater functions reliably for many winters to come, keeping you warm and comfortable on even the chilliest mornings.

Troubleshooting Auxiliary Car Heater Problems

Even with proper maintenance, auxiliary car heaters can sometimes malfunction. Here's a breakdown of some common problems you might encounter, along with basic troubleshooting steps:

Engine Block Heater:

Heater Not Warming Up:

Check the electrical outlet: Ensure the outlet is functioning properly by plugging in another appliance. If the outlet is faulty, consult a qualified electrician for repair.
Inspect the electrical cord: Look for any signs of damage or fraying on the cord. A damaged cord needs immediate replacement with a certified cord rated for the heater's wattage.
Check the connection: Verify that the heater plug is securely inserted into the outlet and the engine block heater connection point.
Fuse blown (if applicable): Some engine block heater models incorporate a fuse within the plug. Consult the user manual to locate the fuse and check if it's blown. Replace the fuse with one of the same amperage rating if necessary.

Engine Not Warming Up Despite a Functioning Heater:

This might indicate an issue with the engine coolant circulation system. Consult a mechanic to diagnose the problem. Potential issues could be a clogged thermostat or a malfunctioning coolant pump.

Interior Auxiliary Heater

Heater Not Turning On:

Check the power source: Ensure your car is turned on if the heater draws power from the vehicle's battery. If it's a plug-in model, verify a secure connection to the outlet and a functioning outlet.
Blown fuse (if applicable): Some interior auxiliary heaters have a built-in fuse. Refer to the user manual for fuse location and replace it with one of the same rating if necessary.
Faulty switch or connection: If the heater has a physical on/off switch, it might be malfunctioning. A loose connection between the heater and the power source is another possibility. In such cases, consult a mechanic or a qualified auto electrician for diagnosis and repair.

Heater Not Blowing Warm Air:

Low battery (electric heaters): If the heater draws power from the car's battery, a low battery voltage might hinder its ability to generate sufficient heat. Recharge the battery or consider using a battery charger while operating the heater.
Clogged fan: Dust buildup or debris might obstruct the heater's fan, reducing airflow and hindering heat circulation. Gently clean the fan according to the manufacturer's instructions.
Malfunctioning heating element: In rare cases, the heating element itself might be faulty. This would likely require professional repair or replacement of the heater unit.

Important Note: If you're uncomfortable troubleshooting electrical components or suspect a major issue with your auxiliary car heater, always err on the side of caution and consult a qualified mechanic or auto electrician for diagnosis and repair.

By following these basic troubleshooting steps, you might be able to resolve minor issues with your auxiliary car heater and restore its functionality. However, for complex problems or any tasks involving electrical components, seeking professional help is crucial to ensure safety and prevent further damage.

Alternatives to Auxiliary Car Heaters

While auxiliary car heaters offer a convenient and effective solution for combating winter chills, they might not be suitable for everyone. Here's a look at some alternative options to consider:

Remote Start Systems:

Remote start systems allow you to remotely start your car engine from a distance, typically using a key fob or smartphone app. This gives the car time to warm up the interior before you even get in. While not directly heating the engine like a block heater, remote start systems circulate warm air through the car's ventilation system using the residual heat from the engine.

Benefits:

Convenient way to warm up your car remotely.
No need to wait in a cold car for the interior to heat up.
Can defrost windows before you even get to the car.

Drawbacks:

Requires professional installation.
Can be expensive to purchase and install.
May not be as effective in extremely cold climates.
Increases car's idle time, potentially leading to slightly higher fuel consumption and emissions.

Winter Car Covers:

A well-fitting winter car cover can help insulate your car, trapping residual heat from the engine and preventing it from escaping as quickly. This can make a noticeable difference in how long it takes for the car's interior to warm up, especially on mornings with moderate cold.

Benefits:

Relatively inexpensive and easy to use.
Protects your car's paint from snow, ice, and other winter elements.
Can improve fuel efficiency by minimizing heat loss during short trips.

Drawbacks:

May not be as effective in extremely cold climates.
Can be inconvenient to put on and remove daily.
Not suitable for cars parked outdoors in windy conditions.

Parking in a Garage (if available):

Parking your car in a garage during the winter provides the ultimate protection from the elements, including cold temperatures. A garage acts as a barrier, shielding your car from wind chill and allowing it to retain heat more effectively.

Benefits:

The most effective way to prevent your car from getting cold in the winter.
Protects your car from snow, ice, and other winter weather hazards.
Can potentially extend the lifespan of your car's battery.

Drawbacks:

Not everyone has access to a garage.
Renting a garage space can be expensive.
May not be a viable option for those living in apartments or condominiums.

Ultimately, the best solution for you will depend on your individual needs, budget, and climate. If you live in a region with harsh winters and prioritize quick and efficient car warming, an auxiliary car heater might be the ideal choice. However, for milder climates or those seeking a more budget-friendly option, remote start systems, winter car covers, or parking in a garage can be effective alternatives.

Conclusion:

Conquering cold commutes doesn't have to be a battle. Auxiliary car heaters offer a powerful solution, pre-heating your car and ensuring a warm and comfortable journey from the start. By understanding the different types, considering the factors influencing your choice, and prioritizing safety, you can select the perfect auxiliary car heater for your needs. With proper use and maintenance, these handy devices can transform your winter driving experience. Remember, exploring alternative options like remote start systems, winter car covers, or strategic parking can also be effective ways to combat winter chills and ensure a more pleasant driving experience throughout the cold season.

Frequently Asked Questions (FAQ) About Auxiliary Car Heaters

To wrap up this comprehensive guide on auxiliary car heaters, let's address some frequently asked questions that might arise:

Q: Are auxiliary car heaters safe?
A: Auxiliary car heaters can be safe when used properly with the following precautions:

Use a certified heater with proper installation, especially for engine block heaters.
Follow the manufacturer's instructions for use and maintenance.
Ensure proper ventilation when using combustion heaters to avoid carbon monoxide poisoning.
Regularly inspect the heater for damage and replace faulty components promptly.

Q: How much does an auxiliary car heater cost?
A: The cost of an auxiliary car heater can vary depending on the type, features, and power output. Here's a general range:

Engine block heaters: $30 - $150 (excluding installation)

Zerostart Engine Block Heaters: Zerostart is a reputable brand offering engine block heaters in various wattages and materials to suit different car models. They frequently appear on "best of" lists for engine block heaters.
HVACSTAR Engine Block Heaters: Another popular brand, HVACSTAR offers engine block heaters compatible with a wide range of car models. They often come with features like thermostats and pre-wiring for ease of installation.

Electric interior heaters: $20 - $100

Hot Heater 12V 200W Car Portable Heater Defroster: is a popular choice for its compact size and affordability. It features two heat settings (low and high) and a built-in thermostat.

Ceramic interior heaters: $50 - $200

Honeywell Ceramic Heater: is a great space-saving option, ideal for smaller cars. It uses PTC ceramic heating elements for efficient heat generation and features a tip-over shut-off switch for safety.

Combustion heaters: $100 - $500 (plus fuel costs)

Espar 2KW Airtronic Heater: is a powerful option for larger vehicles or extremely cold climates. It burns diesel fuel to produce heat and efficiently heats up the car's interior.Important note: Installation of combustion heaters typically requires professional help to ensure proper ventilation and avoid safety hazards.

Q: Will an auxiliary car heater drain my car battery?
A: This depends on the type of heater. Engine block heaters typically draw minimal power and shouldn't significantly impact your battery. However, electric interior heaters can drain the battery if used for extended periods, especially on vehicles with lower battery capacities.

Q: Can I install an auxiliary car heater myself?
A: Engine block heater installation generally requires professional expertise to ensure proper placement and avoid leaks or damage to the engine block. Electric and ceramic interior heaters might be easier to install yourself, but consulting a mechanic beforehand is always recommended for those unfamiliar with car electrical systems.

Q: Are auxiliary car heaters environmentally friendly?
A: The environmental impact depends on the type of heater. Electric heaters are generally considered cleaner. Combustion heaters produce emissions, and bio-diesel compatible models can be a more eco-conscious option.

Q: Where can I find more information about auxiliary car heaters?
A reliable source for further information is the website of the National Institute of Standards and Technology (NIST) , a US government agency that develops standards for various products, including electrical appliances. Their website might have resources on electrical safety and certification standards that can be helpful when choosing an auxiliary car heater.

By understanding these answers to frequently asked questions, you can make informed decisions about auxiliary car heaters and ensure a safe, comfortable, and enjoyable driving experience throughout the winter season.