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10 Best Generator Covers 2025 in the United States

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Our technology thoroughly searches through the online shopping world, reviewing hundreds of sites. We then process and analyze this information, updating in real-time to bring you the latest top-rated products. This way, you always get the best and most current options available.

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Our Top Picks

#1

Winner

Porch Shield Generator Covers Running - Waterproof Generator Rain Enclosure Tent Heavy Duty Tarpaulin Shelter for Generator 3500w-12000w Black(Upgrade)

Rating
9.8
Chosen by1,477
Material
Size
Water Resistance

Most important from
13997 reviews

Material
The fabric is much heavier and more durable than expected, providing excellent protection.
Size
The cover fits like a glove around the generator, even accommodating wheel kits, which many generator users have.
Water Resistance
The high-quality, durable fabric is both waterproof and UV-resistant, ensuring the generator stays dry and protected from sun damage.
UV Protection
The high-quality, durable fabric is both waterproof and UV-resistant, ensuring the generator stays dry and protected from sun damage.
Ventilation
The ventilated design prevents moisture build-up and rust, ensuring the generator is ready to use when needed.
Ease of Use
The snug fit and well-placed handles make it easy to put on and take off.

The Porch Shield Generator Cover is a versatile and robust option for protecting generators ranging from 3500w to 12000w. One of its significant strengths is its durable construction, featuring heavy-duty polyester material and a weighty tarpaulin top, which ensures excellent waterproofing and protection from harsh elements such as rain, snow, and UV rays. The universal dimension (36”x 28”x 20”) makes it compatible with a wide range of generator models, adding to its versatility. Additionally, the integrated design with pre-assembled poles allows for easy and quick setup, which is great for users who need a hassle-free installation process.

Its ability to withstand strong winds due to the steel frame is another highlight, enhancing its reliability in adverse weather conditions. Additionally, the cover offers practical features like an opening top and side design for easy access to the generator's fuel tank and plugs, while also providing sufficient ventilation for heat dissipation and combustion. This ensures that the generator can run safely while covered.

However, one potential drawback could be its weight, which at 9.5 pounds for the top cover alone, might be cumbersome for some users. While the Velcro locks and adjustable nylon ties provide a secure fit, repeated use over time might lead to wear and tear. In terms of design, the black color might absorb more heat under direct sunlight, which could be a concern in extremely hot climates. Despite these minor issues, the Porch Shield Generator Cover stands out as a reliable option, particularly for users looking to protect their generators from various environmental factors.

Rating
9.8
Chosen by1,477
Material
Size
Water Resistance

Most important from
13997 reviews

Material
The fabric is much heavier and more durable than expected, providing excellent protection.
Size
The cover fits like a glove around the generator, even accommodating wheel kits, which many generator users have.
Water Resistance
The high-quality, durable fabric is both waterproof and UV-resistant, ensuring the generator stays dry and protected from sun damage.
UV Protection
The high-quality, durable fabric is both waterproof and UV-resistant, ensuring the generator stays dry and protected from sun damage.
Ventilation
The ventilated design prevents moisture build-up and rust, ensuring the generator is ready to use when needed.
Ease of Use
The snug fit and well-placed handles make it easy to put on and take off.
#2

Porch Shield Waterproof Universal Generator Cover 32 x 24 x 24 inch - for Most Generators 5000-10000 Watt, Black

Rating
9.6
Material
Size
Water Resistance

Most important from
13997 reviews

Material
The cover is made of high-quality, durable fabric that's both waterproof and UV-resistant, ensuring the generator stays dry and protected from sun damage, significantly extending its life.
Size
The snug fit covers the entire generator effortlessly, yet it's easy to put on and take off thanks to the well-placed handles.
Water Resistance
The cover is made of high-quality, durable fabric that's both waterproof and UV-resistant, ensuring the generator stays dry and protected from sun damage, significantly extending its life.
UV Protection
The cover is made of high-quality, durable fabric that's both waterproof and UV-resistant, ensuring the generator stays dry and protected from sun damage, significantly extending its life.
Ventilation
The ventilated design prevents moisture build-up and rust, ensuring the generator is ready to use when needed.
Ease of Use
The snug fit covers the entire generator effortlessly, yet it's easy to put on and take off thanks to the well-placed handles.

The Porch Shield Waterproof Universal Generator Cover is designed to protect generators ranging from 5000 to 10000 watts, with additional sizes available for smaller and larger generators. Made from durable 600D polyester fabric with a water-resistant laminated undercoating, it offers robust protection against various elements including sun, rain, snow, wind, dust, and dirt. This makes it a highly protective option for outdoor use.

The cover is also notable for its tear-resistant and waterproof properties, thanks to double stitching and seam sealing. This ensures long-lasting durability even in harsh weather conditions. Windproof features, such as an elastic hem cord and bottom strap, provide a secure fit, preventing the cover from blowing away during high winds.

Installation is straightforward with Velcro straps and fabric stacks ensuring both ease of use and ventilation to prevent moisture build-up. On the downside, while the cover's black color is sleek, it may absorb more heat under direct sunlight compared to lighter colors. Additionally, while the material is robust, some users may find it less flexible when fitting over larger or irregularly shaped generators. At just 1.1 pounds, the cover is lightweight and easy to handle.

Rating
9.6
Material
Size
Water Resistance

Most important from
13997 reviews

Material
The cover is made of high-quality, durable fabric that's both waterproof and UV-resistant, ensuring the generator stays dry and protected from sun damage, significantly extending its life.
Size
The snug fit covers the entire generator effortlessly, yet it's easy to put on and take off thanks to the well-placed handles.
Water Resistance
The cover is made of high-quality, durable fabric that's both waterproof and UV-resistant, ensuring the generator stays dry and protected from sun damage, significantly extending its life.
UV Protection
The cover is made of high-quality, durable fabric that's both waterproof and UV-resistant, ensuring the generator stays dry and protected from sun damage, significantly extending its life.
Ventilation
The ventilated design prevents moisture build-up and rust, ensuring the generator is ready to use when needed.
Ease of Use
The snug fit covers the entire generator effortlessly, yet it's easy to put on and take off thanks to the well-placed handles.
#3

GENSHED Generator Shed - Combining Generator Covers While Running & Generator Covers for Outside Storage into one. The Generator Running Cover Built On An Enclosed Steel Frame

Rating
9.4
Material
Size
Water Resistance

Most important from
193 reviews

Material
Quality materials are used for the aluminum frame and cover.
Size
Sturdy construction with a perfect fit for the generator.
Water Resistance
The peaked top design effectively prevents water accumulation.
Ease of Use
The assembly instructions are straightforward, making it easy to put together.

The GENSHED Generator Shed is a versatile option for those in need of a generator cover that serves both while running and during storage. It stands out with its all-around steel frame that ensures durability and stability. The material is tough and the design cleverly isolates the fabric covers from the hot generator, reducing the risk of melting. The pitched roof is another thoughtful feature that prevents water accumulation, keeping your generator dry and safe.

With a weight of 16 pounds and dimensions of 32"L x 28"W x 24"H, it is reasonably sized and can be moved with ease due to its hand-twist quick coupler design, which also makes assembly and disassembly tool-free and straightforward. However, the product doesn’t specify any UV protection, which could be a drawback for those in sunny climates. Ventilation is well-handled as the side covers can be opened and adjusted for airflow, ensuring the generator remains cool while in operation.

This generator shed is especially suitable for camping or outdoor activities due to its portability and ease of use. Users may need to manage the lack of specified UV protection and ensure the generator's compatibility with the shed's dimensions.

Rating
9.4
Material
Size
Water Resistance

Most important from
193 reviews

Material
Quality materials are used for the aluminum frame and cover.
Size
Sturdy construction with a perfect fit for the generator.
Water Resistance
The peaked top design effectively prevents water accumulation.
Ease of Use
The assembly instructions are straightforward, making it easy to put together.

Buying Guide for the Best Generator Covers

When choosing a generator cover, it's important to consider several key specifications to ensure you get the best fit for your needs. A generator cover is essential for protecting your generator from the elements, dust, and debris, which can prolong its lifespan and maintain its performance. By understanding the key specifications, you can make an informed decision and select a cover that will provide the best protection for your generator.
MaterialThe material of a generator cover is crucial because it determines the level of protection it offers. Common materials include polyester, vinyl, and heavy-duty fabric. Polyester is lightweight and water-resistant, making it suitable for mild weather conditions. Vinyl is more durable and offers better protection against rain and UV rays. Heavy-duty fabric is the most robust option, providing excellent protection against harsh weather and physical damage. Choose a material based on the typical weather conditions in your area and the level of protection you need.
SizeThe size of the generator cover is important to ensure a proper fit. Covers come in various sizes to accommodate different generator models. Measure your generator's dimensions (length, width, and height) and compare them to the cover's specifications. A cover that is too small won't provide adequate protection, while one that is too large may not stay securely in place. Select a cover that matches your generator's size for optimal protection.
Water ResistanceWater resistance is a key feature to look for in a generator cover, especially if you live in an area with frequent rain or snow. A water-resistant cover will prevent moisture from seeping into the generator, which can cause rust and damage to the internal components. Look for covers with water-resistant coatings or materials like vinyl. If you need maximum protection, consider covers with sealed seams to prevent water from entering through the stitching.
UV ProtectionUV protection is important if your generator will be exposed to direct sunlight. Prolonged exposure to UV rays can cause the generator's exterior to fade and deteriorate. Covers with UV-resistant materials or coatings will help protect your generator from sun damage. If you live in a sunny climate, prioritize covers with high UV protection to extend the life of your generator.
VentilationVentilation is a critical feature to prevent moisture buildup and condensation inside the cover, which can lead to mold and mildew. Some covers come with built-in vents to allow air circulation while still providing protection from the elements. If you live in a humid area or plan to store your generator for extended periods, choose a cover with good ventilation to keep the generator dry and in good condition.
Ease of UseEase of use refers to how simple it is to put on and take off the generator cover. Look for covers with features like elastic hems, drawstrings, or adjustable straps that make it easy to secure the cover in place. Some covers also have zippered openings for quick access to the generator without removing the entire cover. Consider how often you will need to access your generator and choose a cover that offers convenience and ease of use.

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