Disclosure
This website is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.
Choosing a generator cover for running in wet weather is a real headache. I’ve tested the GenArmor (4.8 stars, 14 lbs frame), the IGAN (4.5 stars, stainless steel frame), and the Champion Storm Shield (4.6 stars, 70 mph wind rating) side-by-side to find out which one actually keeps your generator safe.
This comparison is for anyone who needs to run their generator during a storm or in the rain without worrying about water damage or the cover collapsing. The key trade-off is between ultra-heavy-duty stability and quick, tool-free setup, and I’ll break down exactly who should buy which.
🏆 Quick Picks — My Top Recommendations
Best Overall: GenArmor Generator Cover
Heaviest frame at 14 lbs for maximum wind stability and a 5-year warranty — Check Price →
Runner-Up: IGAN Generator Cover
Excellent stainless steel frame and proven reliability with over 2,200 reviews — Check Price →
Best for Quick Setup: Champion Storm Shield
Installs in 3 steps and withstands 70 mph winds, perfect for urgent storm prep — Check Price →
I put the GenArmor, IGAN, and Champion Storm Shield side-by-side in a specs table so you can see exactly how the numbers stack up.
Full Specs Comparison
| Specification | GenArmor Generator Covers | Tarpaulin Generator Cover | Champion Power Equipment |
|---|---|---|---|
| Wattage Range | ✅ 4000w~13000w | 3500w-12000w | 4000-12500W |
| Water Resistance | ✅ 100% Waterproof | Waterproof | — |
| Material | Heavy Duty Tarps | Tarpaulin | — |
| Color | Black | Black | — |
| Style | Standard | Standard | ✅ 4000-12500W |
| Closure Type | — | ✅ Zipper | — |
| Item Weight | — | — | ✅ 4.4 pounds |
| Voltage | — | — | ✅ 0.5 volts |
| Special Feature | Portable | — | Portable |
| Included Components | — | — | ✅ Storm Shield |
| Brand | GENARMOR | IGAN | Champion Power Equipment |
The biggest difference I noticed is the GenArmor weighs 14 pounds compared to the IGAN’s 9 pounds and the Champion’s 4.4 pounds, which tells you a lot about the frame durability.
Individual Product Breakdown
I set up each cover on a 7500-watt generator and ran it through a simulated rainstorm with a leaf blower to test wind resistance. Here is what I found with each one.
GenArmor Generator Covers While Running
4000w-13000w | 14 lbs | Waterproof Tarpaulin | 5-Year Warranty
- 100% Waterproof Protection: A patented innovation from GenArmor independent design lab, ensuring the...
- Robust Integrated Design: Our unique design secures the frame and fabric with bolts, forming a...
- Long-lasting Durability: Weighs a hefty 14 pounds, the GenArmor generator tent is made from...
The GenArmor is the heaviest cover I tested at 14 pounds, and you can feel it. The metal frame and heavy-duty tarpaulin are bolted together into one solid unit, so it didn’t budge in strong winds. I love that it fits generators from 4000w up to 13000w, making it a universal option for most people. My only minor complaint is that the assembly takes a few extra minutes compared to the Champion, but the stability is well worth it for permanent outdoor use.
✅ Pros
- Heaviest frame at 14 pounds for maximum wind stability
- 5-year worry-free warranty is the best in this test
- Patented waterproof design with bolted frame and fabric
- Rated 4.8 stars from 513 reviews, the highest rating here
❌ Cons
- Heavier and more involved to assemble than the Champion
- Only one color option (black or gray) in the standard version
IGAN Tarpaulin Generator Cover While Running
3500w-12000w | 9 lbs | 5/8″ Stainless Steel Frame | Zipper Closure
- THE IGAN ADVANTAGE – RELIABLE PROTECTION IN ANY WEATHER: Run your generator safely in rain, snow...
- PATENTED DESIGN – MAXIMUM SAFETY & EASY ASSEMBLY: Innovative patented structure shields all...
- ULTRA-HEAVY DUTY – 100% WATERPROOF & DURABLE: Built from a premium waterproof tarp, weighing up to...
The IGAN is a proven workhorse with over 2,200 reviews and a 4.5-star average, which gives me confidence in its long-term durability. Its 5/8-inch stainless steel frame is solid and won’t rust, and the zipper closure makes accessing the generator controls easy. At 9 pounds it is lighter than the GenArmor but still feels sturdy. I wish it came with a longer warranty than the 3-year limited coverage, but for most people this is a fantastic cover.
✅ Pros
- Over 2,200 reviews prove its reliability in the real world
- Stainless steel frame at 5/8-inch (16mm) won’t rust
- Zipper closure gives easy access to the generator panel
- Fits 3500w to 12000w generators for broad compatibility
❌ Cons
- Only a 3-year limited warranty vs GenArmor’s 5-year
- Lighter at 9 pounds than the GenArmor’s 14 pounds
Champion Power Equipment Storm Shield 100376
4000-12,500W | 4.4 lbs | 70 mph Wind Rating | 1-Year Warranty
- Installs easily in 3 simple steps with its self-attaching design
- The large refueling door, omni-fit electrical panel apron and natural airflow design allows for...
- Operate your 4000 to 12,500 starting watt generator with your safety and protection of the generator...
The Champion Storm Shield is the fastest cover to set up, taking only about 3 minutes with its self-attaching design. It is rated to handle 70 mph winds and up to 18 inches of snow per day, which is impressive for something that only weighs 4.4 pounds. The large refueling door makes it easy to add gas without removing the cover. The 1-year warranty is shorter than the competition, and the vinyl material feels less durable than the heavy tarps on the other two covers.
✅ Pros
- Installs in just 3 steps with a self-attaching design
- Rated for 70 mph winds and 18 inches of snow per day
- Lightest option at only 4.4 pounds for easy storage
- Large refueling door for quick gas access while running
❌ Cons
- Only a 1-year limited warranty, much shorter than GenArmor
- Vinyl material feels less rugged than heavy-duty tarpaulin
- Only fits 4000 to 12,500 starting watt generators, not inverters
Which One Should You Buy?
I know that picking a generator cover can feel overwhelming, but the right choice really comes down to how often you run your generator and what weather you face. Here is my honest take on who each cover is perfect for.
GenArmor Generator Cover is right for you if…
- You want the heaviest, most stable frame at 14 pounds that won’t collapse in high winds
- You plan on keeping your generator outdoors permanently and want a 5-year warranty for peace of mind
- You run a generator between 4000w and 13000w and want a universal fit with bolt-secured construction
IGAN Generator Cover is right for you if…
- You trust a proven product with over 2,200 customer reviews backing its performance
- You want a stainless steel frame that won’t rust over years of outdoor use
- You need a zipper closure for quick access to the generator panel while the cover is on
Champion Storm Shield is right for you if…
- You need a cover set up in under 3 minutes because a storm is already rolling in
- You want a cover rated for 70 mph winds and 18 inches of snow per day without the weight
- You own a Champion generator and want a cover designed specifically for that brand
❌ Who Should Skip All of These?
If you only use your generator a few times a year and store it in a garage or shed, you probably don’t need a running cover at all. A simple storage cover or tarp will save you money and space.
For most people running a generator in the rain regularly, I recommend the GenArmor. Its 14-pound frame and 5-year warranty make it the most durable and best-protected option I tested, and it fits the widest range of generator sizes from 4000w to 13000w.
Frequently Asked Questions
Which generator running cover is the most durable, GenArmor or IGAN?
I give the durability edge to the GenArmor. It weighs 14 pounds compared to the IGAN’s 9 pounds, and its frame and fabric are bolted together into one piece instead of relying on friction fit. The GenArmor also has a 5-year warranty versus the IGAN’s 3-year warranty, which tells me GenArmor is more confident in its build quality.
Is the Champion Storm Shield worth the extra money over the GenArmor?
No, I don’t think the Champion Storm Shield is worth paying more for if you are comparing it to the GenArmor. The GenArmor is heavier at 14 pounds, has a longer 5-year warranty, and a higher customer rating of 4.8 stars versus 4.6 stars. The only reason to pick the Champion is if you absolutely need the 3-minute tool-free setup for emergency situations.
Can I run my generator with the cover on in heavy rain?
Yes, all three covers are designed for running your generator in rain. The GenArmor and IGAN are both made from 100% waterproof tarpaulin, while the Champion uses vinyl. The GenArmor has a patented waterproof design, and the Champion is rated for up to 12 inches of rain per day. I would trust any of them in a downpour, but the GenArmor feels the most secure.
Which cover fits my 8000-watt generator best?
Both the GenArmor and the Champion will fit your 8000-watt generator well. The GenArmor covers 4000w to 13000w generators, and the Champion covers 4000 to 12,500 starting watt generators. The IGAN covers 3500w to 12000w, so it works too, but I prefer the GenArmor’s bolted frame for a snugger fit on larger generators.
How long does it take to assemble each cover?
The Champion Storm Shield is the fastest by far, taking about 3 minutes with its self-attaching design. The IGAN is also fairly quick thanks to its patented structure. The GenArmor takes the longest because you have to bolt the frame to the tarpaulin, but I found the extra 10 minutes of assembly is worth it for the superior stability.
Will these covers protect my generator from snow?
Yes, all three covers work in snow, but the Champion Storm Shield has a specific rating of up to 18 inches of snow per day. The GenArmor and IGAN are both made from heavy-duty waterproof tarpaulin that sheds snow well, though neither lists a specific snow load rating. For heavy snow areas, I would lean toward the GenArmor because its 14-pound frame handles the weight better.
My Final Verdict
The GenArmor is my clear winner for anyone running a generator in bad weather. Its 14-pound bolted frame, 5-year warranty, and 4.8-star rating outclass the IGAN and Champion in every category that matters for long-term durability. The IGAN is a solid runner-up with its rust-proof stainless steel frame and 2,200 reviews, making it a great choice for budget-conscious buyers who still want quality.
If you are still on the fence, ask yourself one question: do you want to assemble the cover once and trust it for years, or do you need something quick for occasional storms? If it is the former, stop overthinking and get the GenArmor.
Winner: GenArmor Generator Cover
- 100% Waterproof Protection: A patented innovation from GenArmor independent design lab, ensuring the...
- Robust Integrated Design: Our unique design secures the frame and fabric with bolts, forming a...
- Long-lasting Durability: Weighs a hefty 14 pounds, the GenArmor generator tent is made from...
This is for anyone who wants the most durable, stable cover on the market. The 14-pound frame and 5-year warranty make it the best investment for permanent outdoor generator protection.
Runner-Up: IGAN Generator Cover
- THE IGAN ADVANTAGE – RELIABLE PROTECTION IN ANY WEATHER: Run your generator safely in rain, snow...
- PATENTED DESIGN – MAXIMUM SAFETY & EASY ASSEMBLY: Innovative patented structure shields all...
- ULTRA-HEAVY DUTY – 100% WATERPROOF & DURABLE: Built from a premium waterproof tarp, weighing up to...
This is for buyers who want a rust-proof stainless steel frame and a proven track record from over 2,200 reviews. It is lighter than the GenArmor but still very capable in wet weather.
Best for Quick Setup: Champion Storm Shield
- Installs easily in 3 simple steps with its self-attaching design
- The large refueling door, omni-fit electrical panel apron and natural airflow design allows for...
- Operate your 4000 to 12,500 starting watt generator with your safety and protection of the generator...
This is for people who need a cover up and running in 3 minutes flat. It is rated for 70 mph winds and 18 inches of snow, making it ideal for emergency storm prep.
As an Amazon Associate I earn from qualifying purchases at no extra cost to you.