Generac 18kW Standby Generator – Model G0072590

Name: Generac 18kW Standby Generator - Model G0072590 | Brite Generators
Brand: Generac
SKU: G0072590
Price: 5709.00 USD
Availability: InStock

Powerful 18kW Guardian standby generator with built-in cellular monitoring and Quiet-Test™ mode for quiet, reliable home backup.

$5,709.00

MPN: 12345600890 SKU G0072590 Categories Generators, Standby Generators Tags 18 kW, 18kW Generator, 240V, Generator, Natural Gas, Next Generation Brand: Generac

Shipping and Delivery

Most orders ship within 1-2 business days when in stock. Many items ship directly from our manufacturer or authorized distribution partners (including Generac facility in Wisconsin).
Delivery timelines vary by product and location.

Estimated delivery:

Standard parcel items: typically 5-10 business days
Freight (LTL) items: delivery is scheduled and can take longer depending on appointment availability and access requirements

Tracking is emailed when your order ships. Freight carriers may call to schedule delivery.

Backorders & Special Orders

If an item is not currently available, it may be listed as Backorder. Backordered items are ordered from the manufacturer and ship when available.

Typical backorder delivery is 5–10 business days, but lead times can vary based on manufacturer availability.

Once a special order/backorder ships, it cannot be cancelled.

Freight (LTL) Delivery Info (Heavy Items)

Some products ship by Freight (LTL) due to weight or packaging.

Freight deliveries are:

Curbside delivery (carrier brings it to the end of the driveway or nearest safe point)
Appointment-based (carrier may contact you to schedule)

Additional carrier fees may apply for:

Residential delivery
Liftgate service
Limited access locations
Re-delivery or storage due to missed appointments

If your order requires a freight quote, we will confirm delivery details and finalize shipping costs after you put in your order. We will send the final invoice for payment once we have verified the details.

Returns & Refunds

Parcel (non-freight) items: returns may be accepted within 30 days of delivery if the product is new, unused, undamaged, and in original packaging with all accessories. A Return Authorization (RA) is required. Up to a 20% restocking fee may apply. Original shipping is non-refundable. Learn more by visiting our Return Policy page.

Freight (LTL) items: final sale unless the item arrives damaged or defective.

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Description

The G0072590 is an 18kW air-cooled standby generator built for whole-house backup. Featuring Generac’s G-Force 800 Series engine, it delivers the performance, reliability, and runtime homeowners demand.

The unit includes cellular connectivity for remote monitoring, quiet performance at 65 dB(A), and a durable all-aluminum enclosure. Fuel efficient and smart, it automatically runs a low-RPM self-test weekly, bi-weekly, or monthly.

Key Features:

Power Output: 18kW (LP) / 17kW (NG)
True Power™ Electrical Technology – <5% THD
Smart Exercise feature reduces fuel use
Quiet-Test™ Mode: as low as 55 dB(A)
Dimensions: 46.4″ x 26.3″ x 30.7″
5-Year Limited Warranty

Specifications Table:

Attribute	Value
Model Number	G0072590
Rated Output (LP/NG)	18kW / 17kW
Voltage	240V
Fuel Type	Natural Gas / Propane
Sound Level (Load/Exercise)	65 dB(A) / 55 dB(A)
Dimensions (L×W×H)	46.4″ x 26.3″ x 30.7″
Weight	426 lbs