When setting up an EV charger at home, one of the most overlooked factors is sun exposure. 

While electric vehicle chargers are designed for outdoor use, prolonged direct sunlight can lead to faded display screens, inefficiencies, increased wear, and even safety concerns. Proper placement of your charger can ensure optimal performance and longevity. 

Below, we explore why avoiding excessive sun exposure is crucial and how to strategically position your charger for the best results.

Heat and Efficiency Concerns

EV chargers generate heat during operation, and exposure to direct sunlight can cause them to overheat. Excessive heat may slow down charging speeds as most chargers include thermal protection features that reduce output to prevent damage. This means that in the heat of summer, your vehicle may take longer to charge if the charger is in direct sunlight for extended periods. Placing your charger in a shaded or partially covered area can help maintain its efficiency and reduce the risk of overheating.

Weatherproofing Doesn’t Mean Sunproofing

Outdoor EV chargers are built to withstand elements like rain, snow, and dust. Still, long-term exposure to direct sunlight can degrade plastic and rubber components. The sun’s ultraviolet (UV) rays can cause cracks in the charger casing and lead to premature wear of the charging cable. Over time, these damages may affect the charger’s ability to function properly, leading to costly repairs or replacement. Installing the charger in a shaded location or using a protective covering can extend its lifespan and maintain its performance.

Optimal Placement for Performance

Choosing the right location for your EV charger can make a significant difference in its durability and efficiency. Here are a few key placement considerations:

• Install Under a Carport or Eave: Placing the charger under a structure provides protection from the sun, rain, and other elements, ensuring a longer lifespan.

• Use Natural or Artificial Shade: If a carport isn’t an option, consider installing the charger on the side of the house that receives the least amount of direct sunlight during peak hours. Trees, fences, or purpose-built sunshades can also provide protection.

• North-Facing Walls Are Ideal: In Pennsylvania, mounting the charger on a north-facing wall reduces direct sun exposure throughout the day, minimizing heat-related issues.

• Avoid Dark or Heat-Absorbing Surfaces: Mounting the charger on a black or metal surface that retains heat can contribute to temperature buildup. Opt for a neutral-colored background that reflects, rather than absorbs, heat.

Protecting the Charging Cable

The charging cable is just as important as the charger itself. Prolonged exposure to sunlight can make the cable brittle and less flexible, which can lead to cracks and reduced electrical conductivity. To keep the cable in good condition:

• Use a Cable Management System: Installing hooks or retractable reels helps keep the cable off the ground and out of direct sunlight.

• Store It Properly: When not in use, keep the cable neatly coiled in a shaded or covered area to prevent sun damage.

• Invest in a UV-Resistant Cable: Some cables are designed to resist UV damage, offering added protection against sun exposure.

Safety Considerations

Sun exposure doesn’t just affect efficiency and longevity; it can also pose safety risks. Overheated chargers may trigger automatic shut-offs, preventing you from charging when you need it most. Additionally, degraded charger components increase the risk of electrical faults, which can lead to potential hazards like short circuits or fire risks. Keeping your charger cool and shaded ensures safe, uninterrupted operation.

Smart Charging and Sunlight

If your charger includes smart features, such as Wi-Fi connectivity or scheduling functions, excessive heat can interfere with their operation. Many smart chargers have built-in sensors that can slow down or stop charging if they detect excessive temperatures. By installing your charger in a cooler, shaded area, you can prevent these interruptions and take full advantage of smart charging capabilities.

Final Thoughts: Plan Ahead for a Durable, Efficient Charger

Avoiding direct sun exposure during your EV charger installation is a simple yet crucial step in ensuring long-term reliability, efficiency, and safety. Whether installing under a carport, taking advantage of natural shade, or using a dedicated cover, strategic placement can save you from overheating issues and premature wear. Proper planning and professional installation will help you get the most out of your EV charger, ensuring convenient and worry-free charging for years to come.

Whether you’re wondering, “who’s the best electrician near me,” or are looking for an emergency electrician, Thomas Edison Electric is the best electrician near you. Give us a call today!