NFPA Rated Generator Tents
Inverter and Portable Generator Operational Covers
What’s the Best Weatherproof Generator Cover for Your Generator?
Whether you own an inverter generator, a traditional open frame generator, or a large high-wattage generator, GenTent offers a solution engineered for safety and performance.
Our patented covers let you run your generator safely in rain, snow, or severe weather. Independent lab tested and storm proven, GenTent is the only engineered generator tent cover with NFPA 701 flame resistance and weather certifications.
Whether powering your home during an outage, running a food truck, or keeping the jobsite active, our generator enclosures offer unmatched fit and protection:
- Up to 70 MPH Forecast Winds
- 12” per hour Rain Protection (Hurricane Level)
- 18” Snow Load (55 lbs)
- NFPA 701 Flame Retardant Materials
- Rip-stop waterproof vinyl with welded seams
Still unsure which GenTent is right for your generator? Use our Fit Finder tool takes the guesswork out of sizing. Just enter your generator’s brand and model to find the GenTent that fits; backed by our Perfect Fit Guarantee.
Choose the Right GenTent For Your Generator
Open Frame Post Generator
Use when all four upright posts are accessible
- Round vertical posts only
- Perimeter: 80"–104"
- Clamp system attaches directly
- Most common open frame style
Squared Frame Post Generator
Use for blocked or squared posts on open frames
- Square or blocked post frames
- Perimeter: 76"–104"
- Includes adapters + clamps
- Extends smaller generator sizes
Small to Medium Inverter
Use on small to full size fully encased inverters
- No exposed vertical posts
- Perimeter: 40"–120"
- Uses strap mounting system
- Ideal for compact inverter units
Large Open Frame Generator
Use for larger generators with open vertical frame posts
- Supports round or square posts
- Perimeter: 105"–128"
- Includes clamps and adapters
- Handles blocked muffler shields
Larger Inverter Generator
Use for larger fully enclosed inverter generators
- Fits the largest cases
- Perimeter: 104"–140"
- Uses strap mounting system
- Fits Inverters up to ~17,500 W
Compare All GenTent® Kits
| Feature | Direct Connect | Universal | Inverter | XL Universal | XL Inverter |
|---|---|---|---|---|---|
| Generator Style | Open frame with round vertical posts | Open frame with square or blocked posts | Fully encased, quiet compact inverter generators | High output open frame including square or blocked posts | Larger fully encased, quiet home backup inverter generators |
| Perimeter Range | 80″–104″ | 76″–104″ | 40″–120″ | 105″–128″ | 104″–140″ |
| Wattage | Up to ~13,000 W | Up to ~13,000 W | Up to ~11,000 W | Up to ~28,000 W | Up to ~17,500 W |
| Mounting Style | Tool-Free Clamps | Tool-Free Clamps (with adapters) | 130″ Adjustable Strap | Tool-Free Clamps (with adapters) | 130″ Adjustable Strap |
| Best Use Case | Most small to full-size open frame generators | Small to full-size open frame generators including square or blocked posts | Fully encased, quiet compact inverter generators | High output open frame including square or blocked posts | Larger fully encased, quiet home backup inverter generators |
| Starting Price | $159.99 | $164.99 | $164.99 | $179.99 | $189.99 |
| Product Link | Direct Connect | Universal Kit | Inverter Kit | XL Universal | XL Inverter |
GenTent FAQ – Choose the Right Model & Use It Safely
The Direct Connect Kit clamps directly to four round vertical frame posts on open-frame generators. The Universal Kit includes frame adapters, making it ideal for square or obstructed posts, smaller frames, or generators with built-in panels or shielding.
The Inverter Kit fits fully enclosed inverter generators with perimeters between 40″–120″. The XL Inverter Kit fits larger fully encased generators with perimeters from 104″ to 140″ and supports models up to approximately 17,500 W.
Measure the perimeter around your generator. Then match it to the correct kit: Direct Connect: 80″–104″ round frames Universal: 76″–104″ for square/blocked frames Inverter: 40″–120″ enclosed XL Universal: 105″–128″ open frame XL Inverter: 104″–140″ enclosed Use the Fit Finder tool to confirm compatibility.
Yes. All GenTent models are independently lab-tested to handle harsh weather including heavy rain, snow (up to 18"), and winds up to 70 mph. They are made from NFPA-701 rated flame-retardant vinyl. Learn more in our Weather Resistance Article.
No. All GenTent canopies include a refueling flap on top (under the logo). You must shut off and allow your generator to cool before refueling. See full refueling instructions here.
In these cases, install the angle braces higher on the exhaust side to create a tilt. This adjustment helps preserve airflow under the canopy edge and keeps your generator protected. See our Inverter Install Tips.
Need more help? Visit the GenTent Support Knowledge Base →