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neomatrixviper 4.1K Views
Aug 10, 2026 6:07 PM

Firman Tri Fuel Portable Generator 7850/6300W Electric Start, Gas, CO Alert $749.99 Free Shipping Costco.com

$750

Costco Wholesale
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https://www.costco.com/p/-/firman...?langId=-1

$150 OFF
$150 manufacturer's savings is valid 08/01/26 through 08/16/26. While supplies last.
Limit 5 per member.

Electric Start
120/240 Volts
76dB 3/4 at Load
Wheel Kit
Handle
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Deal Details
Community Notes
About the Poster
https://www.costco.com/p/-/firman...?langId=-1

$150 OFF
$150 manufacturer's savings is valid 08/01/26 through 08/16/26. While supplies last.
Limit 5 per member.

Electric Start
120/240 Volts
76dB 3/4 at Load
Wheel Kit
Handle

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4 Comments

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Aug 14, 2026 2:44 PM
53 Comments
Joined Aug 2016
biologioholicAug 14, 2026 2:44 PM
53 Comments
Note that this is a "smaller" model than what Costco traditionally had. The older model is now ooo
Aug 14, 2026 3:52 PM
1K Comments
Joined Nov 2005
KatmanAug 14, 2026 3:52 PM
1K Comments
This has a high THD "total harmonic distortion". I wouldn't suggest using this with computers, Smart TV's, or modern appliances. You can add a line conditioner which would help.
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1
Aug 15, 2026 2:53 AM
18 Comments
Joined Feb 2026
CalmCreator691Aug 15, 2026 2:53 AM
18 Comments
Quote from Katman View quoted comment :
This has a high THD "total harmonic distortion". I wouldn't suggest using this with computers, Smart TV's, or modern appliances. You can add a line conditioner which would help.
Like this? APC H10 Power Conditioner https://www.craigslist.org/view/d...ze9zURWZoE
Aug 17, 2026 3:05 PM
1K Comments
Joined Nov 2005
KatmanAug 17, 2026 3:05 PM
1K Comments
Quote from CalmCreator691 View quoted comment :
Like this? APC H10 Power Conditioner https://www.craigslist.org/view/d...ze9zURWZoE
Yes, that will clean up the power to a smother sine wave. The other option is to buy an inverter generator.

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