Top 10 Best firman generator cover in 2026

Last Updated - 6/7/2026

🏆Best Choice

Porch Shield

Porch Shield Waterproof Universal Generator Cover 32 x 24 x 24 inch - for Most Generators 5000-10000 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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$27.99

$33.99

-18%

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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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IGAN

IGAN Generator Covers While Running for most 3500w-12000w Generators - Ultra Heavy Duty Generator Covers for Outside - Portable Waterproof Generator Cover, Generator Enclosure Outdoor, Black

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•THE IGAN ADVANTAGE – RELIABLE PROTECTION IN ANY WEATHER: Run your generator safely in rain, snow, high winds, or wet conditions. Designed for maximum durability, so your generator stays protected no matter the weather.
•PATENTED DESIGN – MAXIMUM SAFETY & EASY ASSEMBLY: Innovative patented structure shields all sensitive components 100%. Quick and simple to assemble, with a space-saving design for effortless storage.
•ULTRA-HEAVY DUTY – 100% WATERPROOF & DURABLE: Built from a premium waterproof tarp, weighing up to 9 lbs, for superior protection. Works as both a storage & running cover for year-round reliability.
•HIGH-STRENGTH STAINLESS STEEL FRAME – BUILT TO LAST: Rugged 5/8" (16mm) stainless steel tubing ensures exceptional stability and long-term durability, even in extreme conditions.
•UNIVERSAL FIT – DESIGNED FOR 3500W-12000W GENERATORS: Compatible with most portable generators featuring a tubular or square frame. Backed by IGAN’s 3-year limited warranty for complete peace of mind.

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$129.99

$139.99

-7%

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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)

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

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

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

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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Alloxity

Alloxity Generator Covers, Portable Generator Cover 32”Lx24”Wx24”H, Sturdy Generator Cover for Outdoor Generators 5000-10000 Watt, Universal fit for Most Generators-Black

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Unsurpassed in Compatibility & Not for Running Generator: compatible with outdoor generators of 5000-10000 Watt. Please measure the dimension of your generator before purchasing:
•fit for Harbor Freight Predator 9500/9000/8750/8000/7250/6500, Westinghouse WGen9500/WGen6000/DF7500, Honda EM5000is/EU7000is, Briggs and Stratton 5500, Generac generator GP5500/8500/10000, Powerhorse 9000, Champion 6250, Duromax 10000EH,Pulsar G12KBN
•Unbeatable in Snow & Water: Alloxity generator covers are elaborately constructed from strengthened 600D Oxford fabric with a 3-layer construction design. Industrial-level coatings are also specially applied to the fabric to make it unbeatable in all inclement weathers. Moreover, waterproof sealing tape seamlessly attach to and fully cover the cover seams to prevent water from seeping in;
•Outstanding Windproof Locking System: Adjustable buckle straps & hem cord make Alloxity generator covers easy to be tightened and adjusted to better fit outdoor generators. Also, the Velcro straps that ties up to the generator metal pole are well-designed details to secure Alloxity generator covers on different outdoor generators;
•More Convenient Design for Easier Use: The flap panel with hook & loop fastener not only enables an easy open & close of the cover but also allows people to move around their outdoor generators without the needs of taking the generator cover off. Alloxity generator cover’s reinforced handle allows an easy installation & removal. The roomy pocket on the generator cover can be used to store small tools for daily use;

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$19.99

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IGAN

IGAN Generator Covers While Running for most 3500w-12000w Generators - Ultra Heavy Duty Generator Covers for Outside - Portable Waterproof Generator Cover, Generator Enclosure Outdoor Gray

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•THE IGAN ADVANTAGE – RELIABLE PROTECTION IN ANY WEATHER: Run your generator safely in rain, snow, high winds, or wet conditions. Designed for maximum durability, so your generator stays protected no matter the weather.
•PATENTED DESIGN – MAXIMUM SAFETY & EASY ASSEMBLY: Innovative patented structure shields all sensitive components 100%. Quick and simple to assemble, with a space-saving design for effortless storage.
•ULTRA-HEAVY DUTY – 100% WATERPROOF & DURABLE: Built from a premium waterproof tarp, weighing up to 9 lbs, for superior protection. Works as both a storage & running cover for year-round reliability.
•HIGH-STRENGTH STAINLESS STEEL FRAME – BUILT TO LAST: Rugged 5/8" (16mm) stainless steel tubing ensures exceptional stability and long-term durability, even in extreme conditions.
•UNIVERSAL FIT – DESIGNED FOR 3500W-12000W GENERATORS: Compatible with most portable generators featuring a tubular or square frame. Backed by IGAN’s 3-year limited warranty for complete peace of mind.

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$119.98

$129.99

-8%

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UIRWAY

UIRWAY Universal Outdoor Generator Covers Waterproof, 38”L x 28”W x 30”H Large Generator Cover with Central Adjustable Buckles, 600D Heavy Duty Cover for Portable Generator 5000 to 10000 Watt

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•【Universal Fit for 5000-10000 Watt Generators】This outdoor generator covers are designed for 38”L x 28”W x 30”H. Perfectly Fits fo Most Generators 5000-10000 Watt. Compatible with Predator 9500 / 9000 / 8750 / 8000 / 7250 / 6500, compatible with Westinghouse WGen9500 / WGen6000 / DF7500, compatible with Honda EM5000is / EU7000is, compatible with Generac GP5500 / 8500 / 10000, compatible with Champion 6250, compatible with Duromax 10000EH and etc. Full coverage from top to bottom, recommend to choose the cover 1-2 inch larger than your unit size.
•【Heavy-Duty 600D Waterproof Protection】Our generator cover is made of heavy-duty 600D Oxford fabric with a waterproof PU coating and UV-resistant layers, which ensures year-round protection against rain, snow, sun, and dust. Reinforced with sealed seams, it withstands extreme temperatures (-20°F to 150°F) and harsh weather, keeping your generator safe and ready for use.
•【Secure Windproof Design】Worried about bad weather destroying your expensive generator? Don’t be. Features adjustable elastic cords, Velcro straps, and a side click-close buckle for a tight fit that stays put in high winds. Double-stitched seams enhance durability, keeping your generator safe in storms.
•【Designed for Everyday Ease & Safety】Built-in air vents keep moisture from building up inside the small generator cover, and prevent the generator from rusting. While reflective handles ensure visibility at night. Ideal for RV camping, job sites, or home emergencies, this cover fits seamlessly into any outdoor setting.
•【More Convenient Design for Easier Use】Effortlessly install or remove the cover, the flap panel with hook & loop fastener not only move around your generator, make adjustments, or check controls without hassle but also no need to fully uncover. And comes a durable storage bag for compact. Clean effortlessly with a damp cloth or water rinse.

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$18.04

$20.99

-14%

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Firman

FIRMAN 1008 Small Size Portable Generator Cover for 1500 to 2200W Inverter Generators, Waterproof and Weatherproof Protective Tarp, Heavy Duty, UV Resistant, Dustproof, All-Season Storage Cover

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•Custom fit for FIRMAN generators: precision fit for FIRMAN inverter models in the 1500 to 2200W range for reliable protection and a secure stay-put fit during storage or transport
•All-Weather Protection: made from heavy duty, waterproof material to shield against rain, snow, dust, sun, wind, and heat for year-round use
•Durable & Long-Lasting: features a double-insulated design with reinforced seams to withstand tough outdoor conditions and ensure reliable protection
•Easy & Secure Installation: equipped with an adjustable drawstring closure for a snug, custom fit that stays securely in place, even during windy weather
•Enhanced Ventilation: built-in ventilation panels help reduce moisture buildup and prevent overheating, keeping your generator in top working condition

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$17.33

$19.83

-13%

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Firman

FIRMAN 1006 Small Generator Cover, Fits 1000-1500-Watt Generators - Quantity 1,Black

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Fits 1000-2000 Watt Generators or up to 17.5” X 14.1” X 15.1”
•Double insulated
•Durable exterior finish built to last for years
•Easy to install
•Durable pull cord to keep your cover secure even in windy conditions
•120 day warranty

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$20.99

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