Key Features
How The Generac 18kW Standby Generator Compares To Other Guardian Series Models
Homeowners evaluating standby power for major appliances usually face this question: should I get the smaller 10kW for essential circuits, this 18kW to back up a five-ton AC unit, or step up to the 22kW for most whole-house needs?
| Feature | Generac 10kW Guardian Series | Generac 22kW Guardian Series | Generac 18kW Guardian Series |
|---|---|---|---|
| Max Continuous Power, LP | 10,000W | 22,000W | 18,000W |
| Engine | G-Force 400 | G-Force 1000 | G-Force 800 |
| Weight | 338 lbs | 466 lbs | 420 lbs |
| Backup Capability | Essential circuits only | Most whole-house needs | Backs up a 5-ton AC unit, whole-house with load-shedding switch |
Product Description
Standby Generator, 18kW | With Whole House Switch | WiFi Enabled
Provides essential circuit power protection for your home, ensuring the necessities remain powered during an outage or up to whole house coverage when paired with one of Generac’s load- shedding switches. Capable of backing up a five ton air conditioner.
5 Year Limited Warranty for automatic standby generators.
True Power™ Technology delivers best-in-class power quality with less than 5 percent total harmonic distortion for clean, smooth operation of sensitive electronics and appliances.
Generac generators and engines are engineered and assembled in the USA*.
*Assembled in the USA using domestic and foreign parts
Generac's G-Force Engine is a purpose-built, pressure-lubricated engine capable of handling the rigors of generator use, resulting in power that’s more reliable and requires less routine maintenance than any competitive engine.
24/7/365 Customer Support Team standing by all day, every day from our headquarters in Wisconsin to answer any questions you might have.
Quiet-Test™ Self-Test Mode runs at a lower RPM for a five or twelve minute test, making generators significantly quieter than other brands while consuming less fuel.
Tough, Durable All-Aluminum Enclosures: Our RhinoCoat™ powder-coated finish helps make corrosion-resistant aluminum perfect for all weather conditions.
Smart, User-Friendly Controls. Generac’s Evolution™ Controller features a multilingual LCD display that allows users to monitor battery status and track maintenance intervals to ensure your generator is always in top operating condition.
Mobile Link™ Remote Monitoring FREE with every Guardian Series Home standby generator allows you to monitor the status of your generator from anywhere in the world using a smartphone, tablet, or PC. Easily access information, such as the current operating status and maintenance alerts. Learn more about Mobile Link
| File Type | Manual (PDF) | Item Number | Download |
|---|---|---|---|
| Emissions Warranty Statement | EWAR SEGSI (ESE1) EN | 10000044454 | English |
| Emissions Warranty Statement | EWAR SEGSI (ESE1) ES-MEX | 10000046045 | Spanish |
| Emissions Warranty Statement | EWAR SEGSI (ESE1) FR-CAN | 10000046056 | French |
| Exploded View (Control Panel) | EV CONTROL PANEL 60HZ | A0000973385 | English |
| Exploded View (Enclosure) | ASSEMBLY 100A 120/240 SE | 10000008170 | English |
| Exploded View (Enclosure) | EV ENCLOSURE 60HZ | A0000973386 | English |
| Exploded View (Fuel System) | EV 816 FUEL SYSTEM | 10000025385 | English |
| Exploded View (Misc) | EV 150A SERVICE ENTR GEN | 10000011163 | English |
| Exploded View (Misc) | EV 200A 120/240 NON SE | 10000006166 | English |
| Exploded View (Misc) | EV 200A SERVICE ENTR GEN | 10000005776 | English |
| Exploded View (Misc) | EV DECALS / LOOSE PARTS 60HZ GENERAC | A0000973384 | English |
| Exploded View (Misc) | GUIDE-SITE SELECTION ACHSB | A0001446325 | English |
| Exploded View (Unit) | EV 200A 60HZ XFSW W/ SACM | A0000646682 | English |
| Install Manual | ID 100-200A SACM | 10000009574 | English |
| Install Manual | ID 100-200A SACM LQ | 10000009620 | English |
| Install Manual | IMNL G G 10-24kW 60Hz Y20 ES-MEX | A0000973382 | Spanish |
| Install Manual | IMNL G G 10-24kW 60Hz Y20 FR-CAN | A0000973381 | French |
| Install Manual | IMNL G G 10-24kW 60Hz Y20 PT-BR | A0001426500 | Portuguese |
| Install Manual | IMNL G G 10-26KW 60HZ Y20 EN | A0001846478 | English |
| Install Manual | INSTALL HSB GENERATOR WM 60HZ | A0002360608 | English |
| Owner Manual | MANUAL WIFI MODULE ES-MEX | 10000039674 | Spanish |
| Owner Manual | MANUAL WIFI MODULE FR-CAN | 10000039731 | French |
| Owner Manual | OMNL G 10-24kW 60Hz Y20 ES-MEX | A0000973380 | Spanish |
| Owner Manual | OMNL G 10-24kW 60Hz Y20 FR-CAN | A0000973379 | French |
| Owner Manual | OMNL G 10-24kW 60Hz Y20 PT-BR | A0001426494 | Portuguese |
| Owner Manual | OMNL G 10-26KW 60HZ Y20 EN | A0001846499 | English |
| Owner Manual | OMNL TS 100/200A 240V 60Hz 1 GEN EN | 10000009569 | English |
| Parts Manual / EV (Engine) | EV GH816 HSB 2019 | A0000347484 | English |
| Parts Manual / EV (Unit) | ASSEMBLY 100A 120/240 NON SE | 10000008120 | English |
| Parts Manual / EV (Unit) | EV 816 GENERATOR | A0000973387 | English |
| Quick Start Guide | IMPORTANT MOBILE LINK QUICK START GUIDE | A0002354709 | English |
| Spec Sheet | SPEC 10-18kW GUARDIAN HSB EN | A0000973374 | English |
| Spec Sheet | SPEC 10-18kW GUARDIAN HSB ES-MEX | A0000973377 | Spanish |
| Spec Sheet | SPEC 10-18kW GUARDIAN HSB FR-CAN | A0000973375 | French |
| Unit Warranty Statement | STMNT WNTY RES/COM AFTER 2013 EN | 10000039087 | English |
| Unit Warranty Statement | STMNT WNTY RES/COM AFTER 2013 ES-MEX | 10000039217 | Spanish |
| Unit Warranty Statement | STMNT WNTY RES/COM AFTER 2013 FR-CAN | 10000039245 | French |
| Unit Warranty Statement | WARR GEN XFRSW 5B RES/COM AC | 0K9470 | English / Spanish / French |
| Wiring Diagram/Schematic Drawing | SD/WD 100/200 NSE | 10000006211 | English |
| Wiring Diagram/Schematic Drawing | SD/WD 200A SE | 10000006038 | English |
| Wiring Diagram/Schematic Drawing | WD/SD AC HSB EVO2 60HZ 999 | 10000017243 | English |
Fuel Type: Liquid Propane or Natural Gas
Oil Type: Check chart in manual
Oil Capacity (qt): 2.2
Battery Included:
Battery Type: Group 26R 540 CCA Minimum or Group 35AGM 650 CCA Minimum
Battery Size: 12V
Engine Type: G-Force 800
Weight (lb): 420
Running Watts (W) 18,000
Mobile Link:
Quiet Test:
Length (in): 48
Width (in): 25
Height (in): 29
Controller Type: Evolution
Enclosure: Aluminum
Max. Cont. Power (LP): 18,000
Max. Cont. Power (NG): 17,000
NG Consumption - 50% (ft3/hr): 169
NG Consumption - 100% (ft3/hr): 247
LP Consumption - 50% (ft3/hr): 62
LP Consumption - 50% (gal/hr): 1.7
LP Consumption - 100% (ft3/hr): 110
LP Consumption - 100% (gal/hr): 3.02
Full Spec Sheet
| Model | G007228 |
| Fuel Type | Liquid Propane or Natural Gas |
| Engine | G-Force 800 |
| Max Continuous Power, LP | 18,000W |
| Max Continuous Power, NG | 17,000W |
| Weight | 420 lbs |
| Dimensions | 48 x 25 x 29 in |
| Enclosure | Aluminum, RhinoCoat powder-coated |
| Warranty | 5-Year Limited |
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