Automatic Backup
With an automatic transfer switch, it starts on its own during an outage and powers the selected essential circuits in your home.
The #1 Authorized Generac Home Standby Generator Dealer in Ontario
Generac 10kW Home Standby Generator is a compact automatic backup power solution for essential home circuits, smaller homes, and cottages.
$5,295.00
The Generac 10kW Home Standby Generator is a compact, next-generation automatic backup power solution designed for essential home circuits, smaller homes, cottages, and homeowners who want dependable outage protection without oversizing their system. This air-cooled model delivers 10 kW on liquid propane and 9 kW on natural gas, with standard Mobile Link® cellular monitoring, Quiet-Test™ exercise mode, Power Zone™ 200 controls, and True Power™ technology for clean, reliable standby power.
Best fit: essential-load backup for selected circuits, smaller residential panels, cottages, and homes focused on keeping critical systems running during an outage. The Generac 10kW is a practical entry point into automatic standby power, but a professional load calculation is still required to confirm the correct generator size before installation.
With an automatic transfer switch, it starts on its own during an outage and powers the selected essential circuits in your home.
Standard Mobile Link® lets you check status, readiness, maintenance alerts, battery condition, and activity from your phone or computer.
True Power™ technology delivers under 5% harmonic distortion to support sensitive electronics and modern appliances.
Low-speed weekly self-tests run quieter while keeping the generator ready for the next power outage.
Onboard controller handles status, maintenance reminders, smart battery charging, protection features, and operating logs.
Designed for homeowners who want automatic backup for priority loads without moving into a larger generator size.
The 10kW model is suited to homeowners who want to protect important circuits rather than every load in the house. Depending on the final electrical design, transfer switch configuration, fuel supply, and load calculation, it may support a practical mix of household essentials and home protection loads.
Common backup priorities may include lighting, refrigerator, freezer, sump pump, furnace blower, internet equipment, selected receptacles, garage door opener, security system, and other essential circuits. Larger loads — such as central air conditioning, electric ranges, electric dryers, hot tubs, large electric water heaters, or multiple motor-starting appliances — may require load management or a larger generator.
The Generac 10kW Home Standby Generator is best understood as an essential-load standby generator. It is not typically selected to power every appliance in a larger home, but it can be an excellent fit when the goal is to keep the most important systems running automatically during a power outage.
For many Ontario homes, a 10kW standby generator can help support everyday essentials such as refrigeration, lighting, sump pump protection, heating support, internet equipment, and selected outlets. This makes it a practical choice for smaller homes, cottages, and homeowners who want dependable backup power without installing a larger unit than they need.
Because every home is different, final backup capacity should never be based on kilowatt rating alone. Gas supply, electrical panel layout, motor-starting loads, selected circuits, and customer priorities all affect the final recommendation.
Platinum sizing recommendation: A Generac 10kW home standby generator can be a smart choice for essential-circuit backup, but it should be matched carefully to the home. Our team checks your electrical panel, gas supply, starting loads, and backup priorities to confirm whether 10kW is the right fit or whether a 14kW, 18kW, 22kW, or larger Generac model is more appropriate.
We can confirm whether the 10kW fits your home or whether a 14kW, 18kW, 22kW, or larger model would be a better match.
| Specification | Detail |
|---|---|
| Generator model | G007257-0 |
| Bundle model | G007321-0 with 100A limited-circuit ATS |
| Finish | Aluminum enclosure, Metro Gray |
| Rated power | 10 kW on LP / 9 kW on natural gas |
| Voltage / phase / frequency | 240V / single-phase / 60 Hz |
| Power factor | 1.0 |
| Max continuous load current | 42A on LP / 38A on NG |
| Main line circuit breaker | 45 amp |
| Total Harmonic Distortion | Less than 5% |
| Sound level | 61 dB(A) normal / 49 dB(A) Quiet-Testâ„¢, at 23 ft |
| Unit weight | 334 lb / 156 kg (without battery) |
| Dimensions (L×W×H) | 46.4 × 26.3 × 30.7 in |
| Battery | 12V AGM Group BTX20L, 310 CCA min. (not included) |
| Component | Details |
|---|---|
| Engine | Generac G-Forceâ„¢ 400 Series, 1-cylinder, 459 cc |
| Block | Aluminum with cast iron sleeve, overhead valve |
| Ignition / governor | Solid-state ignition, electronic governor |
| Operating speed | 3,600 RPM |
| Oil capacity | Approx. 1.4 qt / 1.3 L (with filter) |
| Controller | Power Zone™ 200 — Auto/Manual/Off/Service, maintenance messaging, smart charging, protection features, operating logs, and upgradeable firmware |
Runs on natural gas or liquid propane. Final fuel piping must be sized for full-load operation by a qualified gas professional.
| Fuel | 1/2 Load | Full Load | Inlet Pressure |
|---|---|---|---|
| Natural Gas | 98 ft³/hr | 132 ft³/hr | 3.5–7 in. W.C. |
| Liquid Propane | 35 ft³/hr (0.94 gal/hr) | 58 ft³/hr (1.60 gal/hr) | 10–12 in. W.C. |
Bundled with a 100A limited-circuit automatic transfer switch — designed for selected essential circuits rather than full whole-home backup.
| Feature | Detail |
|---|---|
| Bundle model | G007321-0 |
| Type / rating | Limited-circuit ATS, 100A, 120/240V, 2-pole |
| Capacity | 16 spaces / 24 circuits (breakers not included) |
| Transfer time | 30 milliseconds |
| Enclosure | NEMA 3R aluminum, outdoor |
| Circuit breaker protected | 10,000 |
| Lug wire range | 1/0 – #14 |
| Weight | 39.0 lb / 17.7 kg |
| Certification | cETLus. The 100A transfer switch is certified for use in the US and Canada. |
Where temperatures regularly fall below 0°C, a battery or oil heater may be recommended.
Installed to manufacturer clearances and local code — set back from doors, windows, and air intakes.
Includes electrical work, gas piping review, transfer switch integration, permits, startup, and handoff.
5-Year Limited Warranty covering the generator and transfer switch. Sizing and backup capacity depend on fuel type, connected loads, motor-starting needs, transfer switch design, and local code — always confirmed by a qualified professional. Model UPCs: G007257-0 (696471104059), G007321-0 bundle (696471104295).
A member of our team will be in touch shortly to discuss how we can help to meet your needs.
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