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Best Generator Covers - Buying Guide

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Generators are crucial in the event of a blackout because they provide the electricity required to operate essentials like heating and lighting. Still, a generator's value is contingent on its readiness for use. Protecting a generator with a cover can ensure that it continues to function well even if it is exposed to the elements, such as rain or snow.

Vinyl, tarpaulin, and 600-denier polyester are just some of the strong and waterproof materials used to make generator covers. Some covers are designed to shield the generator even when it is running, while others only offer weather protection when the generator is not in use.

In this post, we'll take a look at some of the best models out there and talk about what features shoppers should prioritize when shopping for a generator cover.

Things to Consider

If you want to keep the cover on while the generator is on, you should get one that is made for that purpose. If the engine doesn't get enough air, it will overheat or set off the carbon monoxide alarm if you go with the full-cover option. "Running" covers incorporate ventilation necessary for the engine to function correctly and allow access to the controls without removing the cover. In the event of a power outage caused by bad weather, a running cover could prove to be invaluable because you wouldn't have to wait for the rain to stop before turning it on.

Further, before purchasing a cover, make sure it fits your current generator. Most generator covers specify the machine sizes they are designed to fit, making this an easy process to complete. Before placing an order, this is probably the most vital thing you need to consider. The time invested now could prevent wasted money later on.

Varieties of Generator Covers

There is a wide variety of generator enclosures available. Selecting the right one is essential to guarantee the generator you connect it with is safe from interference.

Two types of generator covers are available.

  • Generator covers designed to protect the generator when in use. 
  • Generator covers designed to protect the generator when sat idle. 

There are both working and storing coverings for open-frame and closed-frame generators. The generator motor and other interior working parts of a closed-frame generator are protected from the elements by a protective enclosure, as opposed to their exposed counterparts in an open-frame generator.

The vast majority of covers label which kind of generators they are compatible with, and many also have unique characteristics that make them easy to spot. In contrast to the more form-fitting covers typically found on enclosed inverter generators, which are designed to fit around the rounded shape of an inverter generator, open-frame generator covers tend to be more boxy to accommodate the square shape of the frame around an open-frame generator. This style of cover is typically secured to the metal tubes that form the generator's frame by use of Velcro straps.

How to pick the right size

Choosing the right size generator cover is crucial. A good enclosure will keep the generator secure without reducing its effectiveness. 

If you want to keep your generator from overheating, you need a cover that can keep the elements out while letting air circulate around it. Covering a generator necessitates some breathing room, therefore it should be 2–3 inches larger all around than the unit being covered.

Covers for generators can have varying degrees of covering. A storage cover should completely enclose the generator, protecting it from precipitation and snow. An operational cover will enclose the generator like a tent, but will feature a substantial opening for air circulation around the unit. Covers of this type typically have a skirt that can be extended to allow for enough airflow for exhaust and intake when the generator is in use and then retracted to keep the cover in place when the generator is not in use.

Waterproofing

The best generator covers are built from durable, weatherproof materials that won't tear or blow off in high winds. Tarpaulin, polyester, nylon, and vinyl are all good choices for generator covers.

Numerous storage covers are made from UV-resistant, tear-proof 600-denier polyester. Most waterproof storage covers are made of polyester, with a PVC or other water-resistant lining. Vinyl, on the other hand, is a popular option for practical covers because of its fireproof qualities. Tarpaulin is durable and impervious to water for the same reasons.

The material utilized for the generator's structure greatly affects how well the cover holds up against high winds or even the weight of snow. Poles made of stainless steel are used in the construction of the best generator covers because they are durable enough to withstand severe weather and won't rust or corrode.

Ventilation

Air flow is crucial for a well-functioning generator enclosure. A well-designed cover will have vents for air to flow around the generator and out the exhaust and intake for optimal performance. The generator needs to be protected from the elements, but it also needs to be able to breathe, so that it doesn't overheat during usage or get too damp while stored.

Many functional covers feature skirts that may be pushed up when the generator is running and dropped for maximum protection when the generator is not working. Water condensation inside a storage cover can cause rust and corrosion, therefore ventilation holes are a necessary addition.

Installation time

Using a generator cover will keep the unit safe from debris and severe weather. In order to save time and effort during inclement weather, many operational coverings are designed to be installed permanently. The generator needs to be protected by a practical cover, but the user must be able to use the device even with the cover in place. This implies that the generator's control panel must be accessed even if the cover is closed.

Plastic buckles are standard on most storage cover designs, allowing for speedy user installation. A lot of them also have fold-out panels that expose the generator's handle, allowing you to transport it without taking the cover off.

Best generator covers

Here are some recommended generator covers for you:

GenTent 10k Generator Tent Running Cover

GenTent Generator Running Cover - Inverter Kit (Standard, Grey) - for Fully Encased Inverter Generators

This cover can be used when your generator is on.

GenTent provides one of the industry's best protection systems for portable generators. It's remarkable how perfectly and securely they fit into the framework. This cover is great for protecting your generator from the occasional shower or gust of wind. 

The GenTent can be utilized with either generators between 3000W and 10000W portable generators. It serves a practical purpose by shielding your generator from the elements, and it also looks cool.

The generator is protected from the elements and the cover features a wide door that makes refueling a breeze. The generator cover on this unit is well ventilated, making it stand out from the competition. This is one of the best covers around. 

The most fascinating thing is that you can use a portable generator made by any company. Generators of up to ten thousand watts can be used with this cover.

It's not too difficult to figure out how to set things up. There are only three simple steps required for the installation process.

Pros

  • Suitable for use with portable generators ranging in power from 3000 to 10000 watts
  • 2 Waterproof layers for greater protection
  • Easily transportable, even while closed
  • Perfect for any and all types of generators
  • The process of set up is quite easy 
  • Totally watertight 
  • The fabric will not collapse even when exposed to temperatures of -25 degrees Celsius.

Cons

Plastic buckles could be thicker.

Champion Storm Shield Severe Weather Portable Generator Cover by GenTent for 3000 to 10,000-Watt Generators

Champion Storm Shield Severe Weather Portable Generator Cover by GenTent® for 3000 to 10,000-Watt Generators

Ideal for use with portable generators of 3000 to 10000 watts.

If you own a Champion generator and want to protect it from the elements while it is running, you might think about getting a Champion storm shield. This is the best portable generator cover for Champion generators to protect them from the elements.

This Champion storm shield is compatible with any portable generator ranging from 3000 to 1000 watts. This storm barrier, like the GenTent, takes little time to erect. In just three basic actions, it could be set up. The cover for the generator can be set up without any additional hardware.

These Champion storm shields can withstand winds of up to 70 miles per hour, just like the GenTent. Twelve inches of rain and eighteen inches of snow every day might be necessary to test its limits. Because of this, it's an awesome cover. .

Pros

  • Tool-free, three-step set up
  • Extraordinarily simple to set up
  • Safeguards against carbon monoxide poisoning, electrocution, and generator failure
  • Warranty Period: One Year
  • Lifetime access to free tech assistance
  • Fits the bill for a wide variety of brands, not just Champion

Cons

The plastic fiber-glass connector is too weak to be reliable long term

IGAN Generator Tent Running Cover, Ultra Heavy Duty Tarpaulin Enclosure

IGAN Generator Tent Running Cover, Ultra Heavy Duty Tarpaulin Enclosure, Portable All-weather Generator Rain Shelter for most 3500w-12000w generators, Black Generator Cover

In spite of the sun, rain, snow, or wind, your generator will continue to function with the help of this wonderful cover. For use when the weather outside is less than ideal, this is in fact a tarpaulin enclosure for the generator.

This durable, all-purpose generator cover can accommodate generators with wattages between 3,500 and 12,000. The IGAN Generator Tent Running Cover can be used with any brand of generator.

You won't have to worry about any water getting in this generator cover, and it won't take up much room either. In addition, setting up the generator cover is a breeze.

Its steel framework makes this cover robust and long-lasting.

Pros

  • Generators with outputs between 3500 and 12000 watts can be used with no problems.
  • Watertight, dual-purpose generator shelter
  • You won't have to worry about carbon monoxide poisoning, broken generators, or electrocution.
  • Sturdy steel construction and long-lasting fabric
  • Convenience of refueling
  • Your generator can keep working in any weather, including heavy precipitation and wind

Cons

  • Though it may appear difficult to install, it is possible to do so if you pay close attention to each step.

Wen Universal Weatherproof Generator Cover

WEN 56413 Universal Weatherproof Generator Cover, Extra Large

This inexpensive cover is a great option if you already own a WEN inverter generator and want to keep it safe from the elements. In addition, the controls and components within your device will be safe from scratching because of the cotton lining found inside this vinyl case.

Although this cover was designed with WEN products in mind, it should fit most inverter generators with a power output of 3,500 to 4,500 watts. The elasticized bottom and functional drawstring make for a secure fit.

Porch Shield Waterproof Generator Cover

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

Seam-sealing tape ensures that this cover will keep out as much water, snow, and debris as possible, plus such things as bird poop and tree sap. It is constructed of water-resistant, high-strength polyester.

Huge flip-up panels make accessing the controls a breeze, and a roomy storage pocket is perfect for storing generator accessories like an oil funnel, dipstick, or power cord. Moreover, it was designed to be windproof, and it is secured to the machine's frame with hook-and-loop straps.

Classic Accessories StormPro Heavy Duty Generator Cover

Classic Accessories StormPro Waterproof 33.5 Inch 7,000 Watt Heavy-Duty Generator Cover

This durable cover has an adaptable style that works for a variety of situations. Water-repellent material is thick enough to prevent rips, splits, and snags, and an elastic hem cord ensures a snug, secure fit all the way around.

Thanks to the cover's handy cutouts, the machine may be moved with minimal effort without having to be disassembled. The air vents' reflective piping is a nice touch, as it makes the generator easy to locate at night or in dim light.

Leader Accessories Durable Universal Generator Cover

Leader Accessories Durable Universal Waterproof Generator Cover (31" Lx 29" Wx 28" H, Beige)

Leader Accessories has created a generator cover that is compatible with a wide variety of generator makes and models due to its adjustable sizing and sturdy construction. This cover comes in four different sizes. The box-like cover extends down to the floor and covers the entire surface. This shelter can't be used while the generator is on.

It is constructed from 600 denier cloth with a PVC coating on the inside to keep moisture out. Condensation, the source of rust and corrosion, can be avoided using vents by enabling air to flow underneath the cover. The cover is held in place by a plastic clasp and a strap that goes around the bottom of the skirt, making removal quick and easy when you need to start the generator.

Himal Weather / UV Resistant Generator Cover

Himal Waterproof Universal Generator Cover for 2200-5000 Watt Portable Generators (32 x 24 x 24 Inch)

It's nice to know that despite the high price of a generator, a protective covering for it doesn't have to be equally pricey. This durable 600-denier polyester generator cover has a protective PVC coating and is available for a reasonable price. It has a box shape that snugly fits the generator, and it comes in three different sizes.

This cover's floor-to-ceiling dimensions ensure total shelter from the elements. The elastic cord at the cover's hem keeps it in place, even in strong winds. You must take this cover off the generator before switching the generator on.

Final thoughts

Never use a generator inside, not even in the garage. So, you'll have to keep the generator operating in the open air. To protect your investment and its susceptibility to the elements, be sure to use a generator cover.

About Tom Bell

Hey, I’m Tom, the owner of Generator Reviews! I built this website to help you get the very most out of your generator and select the correct one for your personal circumstances. This site contains reviews of virtually every generator, detailed buying guides, as well as maintenance advice to help you keep yours in tip-top shape!

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