Generac 7043 22kW Guardian Generator with Wi-Fi & 200A SE Transfer Switch

SKU: 7043
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$6,839.00
$6,155.10

Generac 7043 22kW Guardian Generator with Wi-Fi & 200A SE Transfer Switch Features:

Generac 7043 22kW Guardian Generator With 200A SE Transfer Switch

The Generac 7043 is a 22 kW home standby generator designed to provide whole-home backup power during outages. It includes a 200-amp automatic transfer switch, runs on natural gas or propane, operates at approximately 67 dB, and uses Generac’s durable G-Force engine for reliable long-term performance. Ideal for 2,000–4,000 sq ft homes.

What Can the Generac 7043 Power? 

The Generac 7043 can power most single-family homes, including HVAC systems, refrigerators, freezers, sump and well pumps, lighting circuits, home offices, and essential electronics. With 22 kW (LP) and 19.5 kW (NG) output, it comfortably supports whole-home coverage for typical 2,000–4,000 sq ft households.

Why Homeowners Choose the Generac 7043

The Generac 7043 is one of the most popular residential standby generators because it delivers powerful, quiet, and dependable whole-home backup with minimal maintenance. Its 22 kW output provides enough capacity to run HVAC systems, refrigeration, lighting, and critical appliances at the same time — ensuring continuous comfort and safety during an outage.

This model’s G-Force™ industrial-grade engine is designed for long-life operation with pressure lubrication and faster response under load. Paired with True Power™ Technology, the generator delivers clean, stable electricity that protects sensitive electronics such as laptops, TVs, and smart-home devices.

The included 200-amp Service Entrance-rated automatic transfer switch makes installation simple and cost-effective. When utility power fails, the switch activates the generator within seconds and restores power automatically — ideal for homeowners who want a complete turnkey backup solution.

Key Features

  • 22,000 LP / 19,500 NG watts — whole-home backup capacity

  • 200A SE Automatic Transfer Switch included — all-in-one installation package

  • Generac G-Force™ engine — durable, pressure-lubricated, and low-maintenance

  • True Power™ Technology — <5% THD for clean, stable power

  • Wi-Fi capable — with Mobile Link™ (optional) for remote monitoring

  • Quiet operation (~67 dB) — includes Quiet-Test™ mode for reduced noise and fuel use

  • Corrosion-resistant aluminum enclosure — RhinoCoat™ powder-coated for harsh conditions

  • 5-year limited warranty — backed by Generac support

What’s Included

  • Generac 7043 22kW Guardian Series Generator

  • 200A Service Entrance-rated automatic transfer switch (NEMA 3R, outdoor rated)

  • Composite mounting pad

  • User guide & installation documentation

Best Use-Cases

  • Whole-home backup for 2,000–4,000 sq ft homes

  • Homes with central air conditioning, well pumps, sump pumps

  • Backup for critical medical equipment

  • Smart-home households with sensitive electronics

  • Rural or outage-prone regions

How the System Works

  1. The transfer switch monitors your home’s utility power.

  2. When an outage occurs, it automatically starts the generator.

  3. Within seconds, the switch transfers your home to generator power.

  4. When utility service returns, the switch transfers back and shuts the generator down.

Pros & Cons

Pros

  • Complete package includes 200A SE transfer switch

  • Powerful enough for most full-home applications

  • Quiet & fuel-efficient self-test mode

  • Clean power safe for sensitive electronics

  • Rugged aluminum enclosure ideal for coastal or harsh climates

Cons

  • Requires professional installation

  • Wi-Fi remote monitoring requires optional Mobile Link module

Side-By-Side Comparison: 7043 vs 7042

Feature Generac 7043 Generac 7042
Running Output 22 kW LP / 19.5 kW NG 22 kW LP / 19.5 kW NG
Transfer Switch Included — 200A SE Not included
Enclosure Aluminum RhinoCoat™ Aluminum RhinoCoat™
Noise Level ~67 dB ~67 dB
Monitoring Wi-Fi capable Wi-Fi capable
Best For Turnkey whole-home package Custom or switch-replacement installs

Quick Specs

Category Details
Output 22,000 LP / 19,500 NG Watts
Engine Generac G-Force™ Pressure-Lubricated
Fuel Type Natural Gas or Propane
Enclosure Aluminum with RhinoCoat Finish
Transfer Switch 200A SE, NEMA 3R Outdoor Rated
Sound Rating ~67 dB
Warranty 5 Years
Monitoring Mobile Link™ compatible (Wi-Fi capable)

FAQ's

Q: Will the Generac 7043 run my whole house?
Yes. For most 2,000–4,000 sq ft homes, the 22 kW output is sufficient to run HVAC, refrigeration, pumps, lights, and essential circuits simultaneously. Your electrician can verify exact load requirements.

Q: Does this model include the transfer switch?
Yes, the 7043 includes a 200-amp Service Entrance-rated automatic transfer switch, making it a complete installation kit.

Q: How loud is the Generac 7043?
The generator operates at approximately 67 dB — quiet for its size — and has a low-RPM Quiet-Test™ mode.

Q: Can I monitor the generator from my phone?
Yes. It is Wi-Fi capable and compatible with Generac’s Mobile Link™ remote monitoring (module sold separately).

Final Summary

The Generac 7043 22kW Guardian provides a complete whole-home backup solution with enough power to support HVAC, appliances, lighting, and essential circuits. Its included 200A automatic transfer switch simplifies installation, while the durable G-Force engine, quiet performance, and safe low-THD power make it one of the most reliable and cost-effective standby generators available today.

 

TECHNICAL SPECS & DOWNLOADS
  • 5
    Perfect

    Posted by Gene A. on Apr 09, 2018

    Generac&#039;s 22kw generator with 200amp transfer switch is an excellent manufactured home standby generator. It has been installed for 9 months and works great. Arrived in 2 days. Recommend!!

  • 5
    No Regrets

    Posted by Larry H. on Mar 19, 2018

    My father-in-law purchased one of these about 18 months ago and has liked it. So I purchased the same model as our houses are similiar in size. this Generac home standby 22kw generator is the bomb. Already had a power outage since install and fired right up and restored power in seconds. People at AP Electric were great as well.

  • 5
    Excellent Service

    Posted by Bob Vinglett on Mar 19, 2018

    AP Electric &amp; Generators really helped me out a lot in my generator selection. No hard sale pitch just good hard facts and advice when I asked for it. These guys are great to do business with. My 22kW Generac came quicker than promised and arrrived undamaged. Excellent experience so far,

  • 5
    Generac 7043 22kW Guardian Generator with 200A SE Transfer Switch

    Posted by Tim J. on Mar 19, 2018

    My 22kW generator shipped the same day that I ordered it. You can&#039;t beat that. Great service and price.

  • 5
    Generac 7043 22kW Guardian Generator with 200A SE Transfer Switch

    Posted by Ed Stegner on Mar 12, 2018

    This Generac 22kW generator with 200amp transfer switch is well put together and works as advertiesed.

  • 5
    Fantastic

    Posted by Fred Gerry on Mar 08, 2018

    Please with my purchase of a Generac home standby generator. I bought my generator when they were they were offering a free battery with purchase which was nice.

  • 5
    Generac 7043 22kW Guardian Generator with 200A SE Transfer Switch

    Posted by Brad D on Mar 08, 2018

    My only complaint is that I wish they came in differnt colors so it would match my house better than the light tan. Great help during purchase answered all my questions and were very friendly and patient with me.

  • 5
    Well Put Together

    Posted by Ed V on Mar 08, 2018

    Generac&#039;s 7043 is a well manufactured product. this is the second Generac home standby generator I have owned. The last one I had was about 15 years old before it was time to replace with this new model. They have never failed me yet. Fast deliver from AP Electric

  • 5
    Satisfied

    Posted by Charles Stange on Feb 26, 2018

    I had a generac 7035 portable before purchasing this Generac 7043 22kW generator. Both have worked great. I would by again.