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Firman Whisper Series Inverter Portable Generators

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  • $931.00

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Firman Whisper Series Portable Inverter Generators

Experience dependable, ultra-quiet portable power with the Firman Whisper Series - the perfect solution for camping, tailgating, home backup, and RV use. Whether you need lightweight portability or dual-fuel versatility, these inverter generators are built for performance and convenience. Available in multiple wattage and starting configurations, each model is equipped with a fuel-efficient engine, advanced inverter technology for clean power, and parallel capability to double your output when needed.

Enjoy the benefits of reduced noise levels (as low as 58 dB), long runtimes up to 9 hours on a single tank, and CARB/EPA compliance - all packed into compact frames with user-friendly control panels. Select models also offer electric and remote start options, dual-fuel capability (gasoline and propane), and RV-ready outlets to suit your specific needs.

Features

  • Ultra-Quiet Operation: Whisper Series muffler keeps noise levels below national park standards (as low as 58 dB).

  • Fuel-Efficient Engines: Max Pro Series OHV engines with Phoenix Fat Head Block ensure cooler and more efficient performance.

  • Parallel Ready Design: Combine power with another inverter generator to meet higher demands.

  • Clean, Stable Power: Inverter technology delivers less than 3% THD, making it safe for sensitive electronics.

  • Durable Construction: Cast iron sleeved engines with low oil shutoff for long-lasting protection.

  • Smart Controls: Multi-feature control panels with protected outlets and FIRMAN's 3-in-1 Data-Minder for monitoring hours, voltage, and frequency.

  • Flexible Start Options: Choose from recoil, electric, or remote start depending on the model.

  • Dual-Fuel Capability: Select models run on both gasoline and propane for maximum flexibility.

  • Portable Design: Lightweight frames with integrated carry handles and wheels on larger units make transport easy.

Specifications

Model 18-2789 18-2793 18-2794 18-2795 18-2796 18-2797
Starting Watts 2100 (Gasoline) 3650 (Gasoline) 3650 (Gasoline) 3650 (Gasoline) 3300 (Gasoline) / 3000 (LPG) 3300 (Gasoline) / 3000 (LPG)
Running Watts 1700 (Gasoline) 3300 (Gasoline) 3300 (Gasoline) 3300 (Gasoline) 3000 (Gasoline) / 2700 (LPG) 3000 (Gasoline) / 2700 (LPG)
Engine 80cc / OHV 193cc / OHV 193cc / OHV 193cc / OHV 171cc / OHV 171cc / OHV
Start Type Recoil Recoil Electric Electric / Recoil / Remote Recoil Electric
Fuel Type Gasoline Gasoline Gasoline Gasoline Gasoline / LPG Gasoline / LPG
Tank Capacity 0.9 gal 1.8 gal 1.8 gal 1.8 gal 1.8 gal 1.8 gal
Run Time @ 25% 9 hours 9 hours 9 hours 9 hours 9 hours 9 hours
Noise Level 59 dB 58 dB 58 dB 58 dB 63 dB 63 dB
Voltage Output 120V AC 120V AC 120V AC 120V AC 120V AC 120V AC
Receptacles L5-30R, 5-20R, USB TT-30R, 2x 5-20R, USB TT-30R, 2x 5-20R, USB TT-30R, 2x 5-20R, USB TT-30R, 2x 5-20R, USB TT-30R, 2x 5-20R, USB
DC Output 5V / 2A USB 12V / 8.3A 12V / 8.3A 12V / 8.3A 12V / 8.3A 12V / 8.3A
Dimensions (in) 20x12.1x16.7 26.6x18.5x19.7 23.2x17.8x17.9 23.2x17.8x17.9 28.7x18.9x19.3 28.7x18.9x19.3
Weight (lbs) 45.9 84 84 84 104 104
Certifications CARB, EPA, CETL CARB, EPA, CETL CARB, EPA, CETL CARB, EPA, CETL CARB, EPA, CETL CARB, EPA, CETL
Warranty 3-Year Consumer / 90-Day Commercial Same for all models

Installation Instructions

Product Video

Shipping & Returns

  • This product ships to the US and Canada. Canadian orders may incur customs, import duties, and brokerage fees. Please review our shipping policy. To estimate these potential additional costs, we recommend using this calculator.
  • This product typically ships within 1 to 3 business days.
  • Gas/LP & Diesel Powered Items Are Non-Returnable. For complete details, please see our return policy.

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