Top 10 Best generator covers for outside in 2026

Last Updated - 6/7/2026

🏆Best Choice

Porch Shield

Porch Shield Waterproof Universal Generator Cover 38 x 28 x 30 inch - for Most Generators 5500-15000 Watt, Black

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•Compatible - More sizes for 3000w -15000w gas generator or inverter generator.
•Upgrade Material - Made of 600D polyester fabric with water-resistant laminated undercoating. The Porch Shield heavy duty generator cover give your generator all around protection to against sun, rain, snow, wind, dust and dirt.
•Tear Resistant & Waterproof - The high-level double stitching sewn and all seams sealing taped make Porch Shield generator cover more tear resistant and waterproof than other covers.
•Windproof - The elastic hem cord and bottom strap allows for a custom secure fit, especially during high winds and severe weather.
•Install Easily - Two stacks of fabric at one side make the cover weather resistant, but ventilated. Velcro at another side allow easy install and remove.

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$34.98

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Champion Power Equipment

Champion Power Equipment Weather-Resistant Storage Cover for 4800-11,500-Watt Portable Generators

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•Weather Resistant – Protect your generator from sun and UV damage, rain, snow, dirt and more with this cover’s tough vinyl exterior
•Secure – The strong elastic base provides a secure, custom-like fit for your generator
•Versatile – This cover is designed for 4800-11,500-watt generators, but will also fit generators up to 30.7 x 23.6 x 23.6-inches in size
•Quick – The durable cover fits over your generator quickly to protect it while in storage
•Reliable – Champion Support includes 1-year limited warranty

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$15.91

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WEN

WEN 56310iC Universal Weatherproof Inverter Generator Cover, Large

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Protect your generator from the elements with a weatherproof generator cover
•Durable vinyl exterior protects your generator from both water and UV ray damage
•Cotton interior prevents scratches and scuffs during use
•Designed to fit 23.5 x 17 x 19.5-inch 3800W to 4500W closed-frame inverter generators
•Specifically designed for WEN generator models 56380i, 56400i, 56400iX, DF400i, DF400iX, 56450i, 56450iX, DF450i, and DF452iX

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$16.15

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TENTVIA

【2025 New Upgrade】TENTVIA Outdoor Generator Cover 32x24x24 Inches,600D Heavy-Duty Oxford Fabric,Dustproof and Waterproof Protection for Generators, Suitable for Most 5000-10000W Generators.Black

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•【Heavy-Duty Protection】: This generator cover is made from durable 600D Oxford fabric, offering superior protection against rain, sun, and wind. Safeguard your generator from harsh weather and extend its lifespan with our reliable generator cover.
•【Waterproof & UV-Resistant】: Designed to withstand the elements, this generator cover features a waterproof coating and UV-resistant layer. Keep your generator dry and safe during storms or intense sunlight.
•【Perfect Fit for Most Generators】: Available in multiple sizes, this generator cover ensures a snug fit for various generator models. Its universal design accommodates a wide range of generator brands.
•【Easy to Use & Secure】: The generator cover includes an adjustable drawstring to keep it securely in place, even during strong winds. Simple to put on and take off for hassle-free protection.
•【Versatile & Long-Lasting】: Whether stored outdoors or indoors, this generator cover provides year-round protection. The durable 600D Oxford fabric is tear-resistant and built to last, making it an excellent investment for your generator.

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$19.99

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GENARMOR

GenArmor Generator Covers While Running, 100% Waterproof Heavy Duty Tarps Generator Tent, Portable Outdoor Generator Enclosure for Most 4000w~13000w Generators, Black

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•100% Waterproof Protection: A patented innovation from GenArmor independent design lab, ensuring the safety of your generator covers while running in any weather condition.
•Robust Integrated Design: Our unique design secures the frame and fabric with bolts, forming a sturdy one-piece unit. This ensures superior stability and resistance to strong winds, so you can trust it to remain stable without collapsing, even in adverse conditions.
•Long-lasting Durability: Weighs a hefty 14 pounds, the GenArmor generator tent is made from impressive heavy-duty tarpaulin and a sturdy metal frame. This robust construction ensures lasting durability, making it a smart investment for your generator.
•Quick and Easy Access: Designed for convenience, you can quickly refuel your generator and access the power panel in just seconds. This user-friendly feature ensures that you can maintain your equipment without hassle.
•Universal Compatibility: This generator running cover is compatible with most generators ranging from 4000w to 13000w. For specific models, please refer to the images in the product description to ensure a perfect fit for your generator.
•Worry-Free Warranty and Service: We stand behind our product with a 5-year worry-free warranty, complemented by fast and reliable customer service. Enjoy peace of mind knowing that support is available by simply contacting GenArmor Amazon customer service.

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$109.98

$139.96

-21%

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Westinghouse

Westinghouse Outdoor Power Equipment WGen Generator Cover - Universal Fit For Portable Generators Up to 9500 Rated Watts

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Universal Fit Generator Cover Protects Your Open Frame Generator from Dust, Dirt, Moisture, and UV Damage
•Made with Highly Durable Synthetic Polyester Fiber and Quality High-Density Stitching
•Drawstring Allows for a Tight and Secure Fit
•Fits Open Frame Generators Rated Up to 9500 Running Watts
•Specifically Designed for the Following Westinghouse Portable Generators: WGen2000, WGen3600v, WGen3600, WGen3600DF, WGen5500, WGen6000, WGen7500, WGen7500DF, WGen9500, and WGen9500DF
•Dimensions: 28. 5 x 24. 5 x 25 inches
•Power Source Type: Gas Powered

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$20.13

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REHOYEE

Waterproof Generator Covers for Outside, Heavy Duty Thicken 900D Polyester Fabric Portable Generator Covers Universal Fits for Most Generators 5000-10000 Watt, Black (32"L x 24"W x 24"H)

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•✅ Perfect Fit for 5,000W–10,000W Generators – Designed at 32"L x 24"W x 24"H, this universal cover fits most gas/inverter generators. Pro Tip: Measure your generator first! Multiple sizes available for 3,000W–15,000W models.
•✅ Ultra-Durable & Weatherproof Protection – Made of heavy-duty 900D Oxford fabric, this cover resists rain, wind, UV rays, and tearing—keeping your generator safe in harsh conditions.
•✅ Reinforced for Long-Lasting Use – Double-stitched seams + thickened fabric ensure durability, while the adjustable elastic hem keeps the cover snug and secure, even in strong winds.
•✅ Quick & Easy to Use – Slip it on or off in seconds! Important: Never use while the generator is running—safety first!
•✅ A Must-Have for Generator Owners – Extend your generator’s lifespan by shielding it from rain, snow, dust, and sun damage—an affordable way to prevent costly repairs!

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$26.99

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GasXpert

GasXpert Waterproof Generator Cover 32 x 24 x 24 inch -Universal Portable Generator Cover for Most Generators 5000-10000 Watt, Grey

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Broad Compatibility – Fits Most 5000–10000W Generators
•Designed for a wide range of outdoor generators, the Alloxity cover fits top brands like Har^^bor Freight Predator (9500/9000/8750/8000/7250/6500), Westi^^nghouse (WGen9500/6000/DF7500), Hon^^da (EM5000is/EU7000is), Gen**erac (GP5500/8500/10000), Cham**pion (6250), Dur**omax (10000EH), and more. Just measure your generator to ensure a perfect fit before purchase. Note: Not intended for use while the generator is running
•All-Weather Defense – Rain, Snow, or Shine: Built with ultra-durable 600D Oxford fabric and advanced 3-layer protection, this generator cover shields your investment from harsh weather. Industrial-grade coatings and waterproof sealing tape at the seams block out rain, snow, dust, and sun for year-round coverage
•Rock-Solid Wind Resistance: Worried about wind? Don’t be. Adjustable buckle straps, a drawstring hem cord, and smartly placed Velcro straps ensure the cover stays snug and secure—even in strong gusts. Your generator stays protected and the cover stays in place
•Thoughtful Access & Storage Features: Need to access your generator quickly? A flap panel with hook & loop fasteners allows easy access without removing the entire generator cover. Plus, a reinforced handle makes installation and removal effortless, while a built-in storage pocket keeps tools and accessories close at hand
•Built for Daily Convenience: Designed with real-world use in mind, this portable generator cover adapts to your daily routine. Move around your generator, make adjustments, or check controls without hassle—no need to fully uncover. Perfect for those who need quick and practical access.

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$19.99

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WLEAFJ

WLEAFJ Generator Cover Heavy Duty Waterproof, Universal Portable Generator Cover 32”L x 24”W x 24”H - for Most Generators 5000-10000 Watt

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•UNIVERSAL FIT GENERATOR COVER: Measured with 32”L x 24”W x 24”H, fit for Most Generators 5000-10000 Watt, Predator 6500/7250/8000/8750/9000/9500, Westinghouse 6000/7500/9500, Duromax 10000W/10000EH/xp10000e/12000/XP13000EH, Honda EU7000is/EM5000is/5000/EX6500/EM6500, Craftsman 3500/6300, Generac 5500, Champion 6250/5000, 7000w Troy Bilt, WG5000, Dewalt DXGNR8000, Cat Sears 6300, Harbor Freight 8570/9000, But please measure your generator carefully before purchasing.
•100% WATERPROOF: WLEAFJ generator enclosure is made of heavy duty oxford fabric with UV-stabilized & Waterproof coating and a waterproof laminated backing. Passed particular waterproof test by authoritative third party, No worry to leak anymore.
•WINDPROOF PORTABLE GENERATOR COVER: Button Buckle Strap and drawstring with adjustable toggle fit with exceptional security in the windiest conditions. Velcro on the side easy for Opening, Closing, Installing or Moving when used.
•LARGE POCKET DESIGN: A large capacity tool bag is designed on the cover, you can store some small accessories, such as power cord, oil funnel, dipstick and so on.
•GREAT SERVICE: We stand by the quality and versatility of generator covers while running. Your satisfaction is our NO.1 priority. If you are ever unsatisfied for any reason, we will replace your product or refund your money.

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$21.59

$23.99

-10%

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AKEfit

Generator Cover Waterproof and Dustproof Protection for Universal Generator Covers for Outside Fit for Most Generators 5000-10000 W 32 x 24 x 24 inches Black

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Dimension : The sizes of the generator covers is 32”Lx24”Wx24”H, universal fit most generators 5000-10000 Watt, please measure your generator for a snug fit before purchasing.
•Well Protection: The generator cover made of premium 600D premium Oxford fabric with waterproof backing, protect your generators from dirt, dust, scratches, sun, rain, wind, snow, ice or other adverse weather.
•Windproof: The outdoor generator cover with detachable buckle & velcro opening ensure the cover easy to open on or remove. Please put on the buckle clasp at adverse weather in backyard porch or patio, it can keep your engine dry and clean.
•xcellent Waterproofness: The material used in generator cover is multi-layer Oxford cloth, with the seam applied with glue,so it is rainstorm-proof.
•Easy to Use: The front flap closed by Velcro, not only enables easy installation and removal of the cover, but also allows people to move around their outdoor generators without the needs of taking the generator cover off.

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$17.09

$20.97

-19%

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