Outdoor generators provide the invaluable service of keeping homes powered in the event of storms, blackouts or other disruptions. Safeguarding these emergency backup systems against the elements is essential, and that’s where outdoor generator covers come in. Engineered for durability, customized fits and hassle-free access, today’s protective generator enclosures defend against rain, snow, wind, debris and more while allowing easy generator operation. As generator covers increasingly shift from afterthought to necessity for homeowners, manufacturers have focused on improving cover resilience, ventilation, noise reduction and ease of use. With lives depending on generator reliability when catastrophe strikes, quality outdoor generator covers are vital additions. As we examine generator cover options and innovations, we’ll see how these protective layers help homeowners depend on their backup power, rain or shine.
Our Top Picks For 2025
PatioGem Heavy Duty Waterproof Generator Cover
This heavy duty waterproof generator cover by PatioGem protects outdoor generators from harsh weather. Fits 5000-10000W generators like Westinghouse, Honda, Champion, Generac, and more. Made from durable 600D Oxford fabric with velcro and buckle straps for a secure fit.
The PatioGem Heavy Duty Waterproof Generator Cover is an excellent way to protect your valuable outdoor generator from the elements. This cover is designed to fit most 5000-10000W portable generators from top brands like Westinghouse, Honda, Champion, Generac, and more.
Key features and benefits:
- Made from heavy duty 600D Oxford fabric with waterproof coating for maximum weather protection
- Fits generators 5000-10000 watts
- Adjustable velcro and buckle straps secure the cover in windy conditions
- Flip up side panel allows easy access to the generator controls
- Reinforced handle makes for easy on/off
- Roomy side pocket stores small accessories
With its durable construction and secure fit, the PatioGem Heavy Duty Waterproof Generator Cover will keep your generator safe from rain, snow, wind, dust, and more. It’s an essential accessory for any outdoor generator.
Westinghouse Portable Generator Cover
Durable polyester generator cover designed to protect Westinghouse portable generators from weather and outdoor elements. Features ventilated design and adjustable straps for a secure custom fit.
The Westinghouse Portable Generator Cover is an ideal accessory to protect your generator investment. This heavy-duty cover is made from 600D polyester with a water-resistant laminated backing to keep your generator dry.
The ventilated design allows for airflow while still providing protection from rain, snow, tree sap, and dust. Adjustable straps and elasticized hem provide a secure custom fit to keep the cover in place in winds up to 25 mph.
Key Features and Benefits:
- 600D polyester material with water-resistant laminated backing
- Ventilated design allows airflow while protecting generator
- Adjustable straps and elasticized hem provide secure custom fit
- Protects against weather, dust, tree sap, and animal damage
- Available in sizes to fit Westinghouse portable generators up to 12,500W
The Westinghouse Portable Generator Cover provides excellent protection to keep your generator looking like new for years. Order yours today to keep your generator safe from the elements!
NEWFOM Waterproof Generator Cover
The NEWFOM Waterproof Generator Cover is a heavy-duty outdoor generator protection cover, designed to fit 5500-15000 Watt portable generators. It offers superior protection against harsh weather conditions and keeps your generator clean and ready to use.
The NEWFOM Waterproof Generator Cover is an essential accessory for those seeking to protect their valuable generators from the elements. Crafted from premium 600D Oxford fabric with a waterproof backing, this cover offers comprehensive protection against dirt, dust, scratches, rain, wind, snow, and ice.
Key Features and Benefits:
- Universal Fit: The size of this cover is 38”L x 30”W x 28”H, making it a universal fit for most generators ranging from 5500-15000 Watt.
- Superior Protection: Made of premium 600D Oxford fabric with waterproof backing, it provides excellent protection against adverse weather conditions.
- Windproof Design: The outdoor generator cover comes with detachable buckle & velcro opening, ensuring easy application and removal. The buckle clasp can be put on during adverse weather to keep the engine dry and clean.
- Front Pocket: A large capacity pocket storage bag on the front can hold tools or other small accessories, such as power cord, oil funnel, dipstick etc.
- Drawstring Design: The adjustable drawstring on the bottom allows for a perfect fit, preventing the cover from blowing away in strong winds.
This NEWFOM Waterproof Generator Cover not only ensures your generator remains protected but also extends its service life by shielding it from damaging elements. Trust in the quality and durability of this cover to provide peace of mind that your generator is well cared for when not in use.
IGAN Generator Cover for Portable Generators
This heavy-duty, waterproof generator cover from IGAN protects your portable generator during use and storage. Made from ultra-durable materials. Fits most portable generators 3500W-12000W.
The IGAN Generator Cover is designed to allow safe operation of your portable generator in rain, snow, and other wet conditions. This high-quality generator cover features:
- Heavy-Duty Construction – Made from ultra-durable, 100% waterproof tarpaulin material to withstand all weather conditions and repeated use. Weighs 9 lbs for stability.
- Patented Design – Unique suspended flap system allows generator operation while protected. Flaps can be secured open for ventilation and access.
- Full Generator Protection – Keeps sensitive generator components dry while allowing sufficient airflow. Large fuel access port enables quick refueling without removing cover.
- Universal Fit – Fits most portable generators from 3500W-12000W from major brands like Honda, Champion, Generac, and others. Refer to product specs for model compatibility.
- High-Strength Frame – Sturdy stainless steel frame rated for winds up to 55mph secures cover firmly in place.
The IGAN Generator Cover provides complete all-weather protection so you can safely run your portable generator no matter the conditions. Order today to keep your generator protected and ready to provide backup power whenever you need it.
Joramoy Heavy Duty Generator Cover
The Joramoy Heavy Duty Generator Cover is a waterproof and UV-resistant generator cover made from 600D Oxford polyester fabric. It protects portable generators from the elements and fits models like the Predator 3500, Wen 3800, and Westinghouse iGen4500.
The Joramoy Heavy Duty Generator Cover provides heavy-duty protection for your portable generator. Made from durable 600D Oxford polyester with a waterproof PVC coating, this generator cover shields your generator from rain, snow, dust, wind, and UV rays when not in use. Designed to fit many popular portable generator models like the Predator 3500, Wen 3800, Westinghouse iGen4500, and more, this universal cover features:
- Waterproof and UV-resistant 600D Oxford polyester construction
- Elastic hem for a tight, custom fit
- Handles for easy installation and removal
- Air vent for ventilation
With its thick, heavy-duty Oxford fabric and secure elasticized hem, the Joramoy Generator Cover keeps portable generators protected from the elements when in storage or transport. Its universal design fits a range of popular generator models up to 24 x 18 x 20 inches.
Westinghouse WGenTent Portable Generator Weather Protection Cover
The Westinghouse WGenTent is a heavy-duty vinyl generator cover that allows you to safely run your open frame portable generator outdoors in rain, snow and high winds up to 70mph. Fits generators with 80-104″ perimeters.
The Westinghouse WGenTent is an essential accessory for portable generator owners. This rugged weatherproof cover protects your generator from the elements so you can power through storms and outages. Made from durable marine-grade vinyl, it withstands up to 12 inches of rain and 18 inches of snow per day.
Key Features and Benefits:
- Withstands rain, snow and winds up to 70mph
- Vented for proper airflow and cooling
- Easy to install protective frame & slip-on cover
- Convenient access door for refueling
- Works with most open frame portable generators
- Durable marine-grade vinyl construction
- Backed by Westinghouse’s 1-year warranty
The Westinghouse WGenTent gives you the confidence to safely run your generator outdoors no matter the weather. This high-quality cover is easy to set up and built to last.
GUYISS Heavy Duty Generator Cover
This heavy duty 600D polyester generator cover from GUYISS provides all-weather protection for portable generators 5000W-10000W. Waterproof and tear resistant.
The GUYISS Heavy Duty Generator Cover is designed to protect your portable generator from the elements while allowing easy access for operation and maintenance. Made from durable 600D polyester with a waterproof coating, this cover shields your generator from rain, snow, dust and more. Key features include:
- Dual layer 600D polyester and 210D oxford shell for waterproofing and durability
- Special top design prevents rain seepage while allowing easy refueling access
- Roll up side openings for ventilation and generator wiring
- Front tool pouch for storing cords, oil, and accessories
- Elastic hem corners and adjustable straps secure the cover in heavy winds
- Fits most 5000W-10000W portable generators including brands like Westinghouse, DuroMax, WEN
With its heavy duty weatherproof construction and convenient access features, the GUYISS Generator Cover provides the ideal protection to keep your generator running smoothly in any conditions. The sturdy and rugged design ensures your investment stays safe from the elements when stored outside.
NGB Waterproof Generator Cover for 2000-2500W Portable Generators
The NGB generator cover is a heavy-duty, waterproof cover designed to protect 2000-2500W portable generators from the elements. Made from durable 600D Oxford fabric with a silver coated finish.
The NGB Waterproof Generator Cover is an excellent solution for protecting your portable generator from rain, snow, dust and more when not in use. This universal fit generator cover is compatible with most popular 2000-2500 watt portable inverter generator models from brands like Honda, Westinghouse, Wen and others.
Key Features:
- Durable 600D silver coated waterproof Oxford fabric material
- Fits most 2000-2500W portable inverter generators
- Convenient openings for easy access to controls
- Roll-up side windows to access generator while running
- Can be fully opened from the back for ventilation
- Integrated top carry handle for easy portability
- Heavy-duty straps and pull string for secure closure
With its durable construction and universal fit, the NGB generator cover provides the perfect storage solution to keep your generator protected from the elements when not in use. It allows easy access for operation and maintenance.
Westinghouse Portable Generator Protective Cover
Durable polyester cover protects Westinghouse portable generators from weather and debris during storage. Fits 5000-7500W models. Water resistant and vented design.
The Westinghouse Portable Generator Protective Cover is an essential accessory to protect your generator when not in use. This heavy-duty cover is made of water-resistant polyester to shield your generator from rain, snow, dirt, leaves, and other outdoor elements.
The cover is designed specifically for Westinghouse’s portable generators ranging from 5000 to 7500 watts. It features a tailored fit with elastic hem for a tight, custom-like fit over the frame. The material allows for ventilation to prevent moisture build-up.
Key Features and Benefits:
- Fits Westinghouse portable generators 5000-7500W
- Durable polyester material, water resistant
- Elastic hem for tight, custom-like fit
- Ventilation panels prevent moisture build-up
- Protects generator from weather, debris, dirt, etc.
With its rugged polyester construction and weather-resistant properties, the Westinghouse Portable Generator Protective Cover keeps your generator protected whether stored in the garage, patio, or at a job site. It allows proper airflow while keeping moisture, leaves, dirt and other elements out. This is an essential accessory for any Westinghouse portable generator owner to help maintain and extend the life of their generator.
Zettum Heavy Duty Waterproof Generator Cover
The Zettum generator cover is a heavy-duty, waterproof cover designed to protect portable generators from the elements. Made from 600D oxford cloth with PU coating for durability. Fits most 5000-10000W portable generators.
The Zettum Heavy Duty Waterproof Generator Cover is an excellent way to protect your portable generator from the elements when not in use. Made by generator experts, this cover is crafted from premium 600D oxford fabric and coated with PU for superior water resistance. Fitting generators 5000-10000 watts in size, it keeps your generator safe from rain, snow, dust and more.
Key Features:
- Fits portable generators 5000-10000 watts including popular models like Predator, Honda, Westinghouse, Champion, Generac
- Heavy duty 600D oxford fabric with PU coating is waterproof and durable
- UV resistant to prevent fading and withstand years of sun exposure
- Windproof buckle design secures cover tightly to generator
- Breathable material prevents moisture buildup
- Easy to put on and take off as needed
- Rust resistant grommets at corners
With its heavy duty fabric and secure fit, the Zettum Generator Cover provides excellent protection to keep your generator running smoothly for years. Its waterproof and UV resistant design shields your generator from the elements while allowing airflow to prevent moisture buildup.
