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Customer reviews for Generac 22kW Home Standby Generator with 200 Amp Transfer Switch for
Generac 22kW Home Standby Generator with 200 Amp Transfer Switch
4.3 out of 5 stars
stars
62 ratings62 reviews
  1. 5 stars77% (48)
  2. 4 stars5% (3)
  3. 3 stars3% (2)
  4. 2 stars0% (0)
  5. 1 star15% (9)
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Showing 1-10 of 62 reviews
Aug 26, 2026
Reviewer name: Traci3195
5 out of 5 stars
5 out of 5 stars review

Best Buy Ever!

Best buy we have ever made. A month and a half after it was installed, we had a big windstorm in Montana (in December). Power was out for 3 days, but our Generac generator started right up and kept running for 3 days, with NO problems at all. Kept us warm, kept the lights on, kept the hot tub hot. We could cook and go on with our daily lives with no hitch. It's a Godsend!

Review from generac.com
Helpful?1429LPY7MHUG19960721250
Aug 25, 2026
Reviewer name: TJ97
5 out of 5 stars
5 out of 5 stars review

Fast Power Transfer

I finished installing generator a mouth ago. Pretty straightforward installation. I had my first outage during a storm last week. Generator started and transferred power within seconds. Very happy with quality and performance of my new generator system.

Review from generac.com
Helpful?1429LPY7MHUG19960721250
Sep 5, 2026
Reviewer name: tommy53
5 out of 5 stars
5 out of 5 stars review

DIY'rs?...skip the inconvenience, don't wait!

Replaced name-brand, ng, 15kw mobile (shed/outside/stationary) machine w 26kw Generac. Unit was fine; not enough juice to carry both ac units @ same time. Generac resolved all issues: no going outside to start, easily carries full house load, can be run during storm, no periodic inspections during extended run times. Should've done this in the first place! Great machine w perfect financing (18 mo/no interest)!

Review from generac.com
Helpful?1429LPY7MHUG19960721250
Jul 30, 2026
Reviewer name: TexArdvark
5 out of 5 stars
5 out of 5 stars review

Reliable Protection

Purchasing this generator was similar to putting up a magical ward against power failures. Where the original motivation was a frequent number of outages, we've not had any single outage since installation. In it's standby configuration it's met our expectations.

Review from generac.com
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Aug 10, 2026
Reviewer name: Mtlsphere
5 out of 5 stars
5 out of 5 stars review

Peace of Mind

I purchased this one year ago. It is whole-home capable, completely automatic and easy to monitor with the phone app and the Ecobee thermostat. The generator responds to power loss in seconds. It is very reassuring to know that if our home loses grid power while we are away the app will notify us.

Review from generac.com
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Aug 14, 2026
Reviewer name: Tim1958
5 out of 5 stars
5 out of 5 stars review

The app is very good and verifies its working

Had this 6 weeks now, just before storm season. Good quality product but difference is the installation by a company that only does generators, not some diversified franchise or one-at-at-a-time electrician. Family run business that concentrates on Generac and installs 5- 7 per week. The price was $2800 less than other vendors and they gave me the confidence of a quality installation and maintenance program.

Review from generac.com
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Aug 15, 2026
Reviewer name: Bigbirddy
5 out of 5 stars
5 out of 5 stars review

You won't be disappointed!

I have been wanting to purchase a whole home generator for some time. Finally bit the bullet an got a 26KW with transfer switch about a month ago. 2 days ago, 08/13/26, the power died for about 4hours. Unit kicked in flawlessly and handled central AC, stove and package AC unit with ease. I like the fact that natural gas is always ready to go when problems arise. Install was truly professional and exactly as promised. I'm a satisfied customer!

Review from generac.com
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Nov 7, 2025
Reviewer name: OhioNY2025
1 out of 5 stars
1 out of 5 stars review

Paperweight at Best

Just purchased the 18kw cellular 15 October 2025 by a Generac dealer. Unfortunately my Propane company couldn't set the tanks until the next morning. The Generac dealer hooked up a 20lb tank to run me through the functionality of the generator. After the Propane company hooked up the tanks to the supply line to the generator, I performed a power outage to ensure there were no issues. The unit lost wifi connectivity. I attempted to reset, but it wouldn't connect. I contacted the dealer/installer and he attempted to connect to the generator. He couldn't, so he walked me through a hard reset. We did a hard reset and was able to Bluetooth connect with the generator and reestablish a wifi connection. On 26 October the generator had an internal fault and a 1505 error. Then it had a CANbus error. It also lost its WiFi connection. I attempted to reconnect it, but it wouldn't let me Bluetooth connect. I had to do a hard reset. I was able to reconnect the WiFi but as soon as I closed the app, it would disconnect from the WiFi. Attempted to reconnect again, same result. Tried again and the unit wouldn't reconnect via Bluetooth. Did another hard reset the next day and was able to reconnect the WiFi. An hour later it disconnected from the WiFi. Contacted the dealer/installer.He had me do a power outage to see if the unit would run. It didn't even though it is in Auto. He had me clear the faults by depressing the Off button for 15 seconds and attempt another power outage after placing it back in Auto. It did not run again. The unit did one exercise run-up on 25 October and has not done another one since even though it is in Auto. A lot of money for what I consider a paperweight and at a minimum a lemon. Waiting to hear back from the installer/dealer when he can come out to fix it. It's was only two weeks old with less than 15 minutes of run time.

Review from generac.com
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Aug 5, 2026
Reviewer name: Georgia girl
1 out of 5 stars
1 out of 5 stars review

Don't buy this unreliable generator

I bought this NextGen 28kW to replace a rusty but reliable 20 year old 35 kW Generac. Our NextGen failed immediately at our first power outage 3 weeks after installation and is still nonfunctional after 3 service trips and more than 4 hours labor over the last week.

Review from generac.com
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Sep 2, 2026
Reviewer name: Madd
1 out of 5 stars
1 out of 5 stars review

Junk wish I would've went with a different company

L I bought this generator less than a month ago and it broke down within the first month installer keeps canceling my appointments to figure out what's wrong.

Review from generac.com
Helpful?1429LPY7MHUG19960721250