We Really like the unit and the security of having 24/7 protection against power failure. What sold us on this unit was the WiFi connection. Instead of just passively waiting to see what happens next. Our WiFi connection allows us to monitor performance at anytime

If the exercise time could be changed from 5 minutes to 12 minutes and the exercise speed be changed from the slow "Quiet Test" to full RPM I would give a rating to 5-stars. Other than these two significant issues, I find Generac to be a quality and reliable, made in the USA, product. It has NEVER failed me. However, because of the inadequate exercise time I feel I must manually run the generator periodically to "cook off" the condensation moisture from the oil. (NO internal combustion engine likes to sit.) The Wi-Fi reception is poor on the generator unit. My iPhone showed full strength Wi-Fi at the generator site. The generator reported zero Wi-Fi signal strength after accepting the Wi-Fi password. I ended up having the 4G LTE cellular option installed, this gave me the needed connectivity. I get an alert on my iPhone whenever the generator exercises, or is running due to a utility failure. All things considered, I would buy the generator again even with the faults mentioned above. It's hard to believe that the lack of flexibility regarding exercise time was truly an engineering decision, I fear it could be government influenced.

At our other house the Derecho came through and knocked over 9 trees. Everybody else lost power for 5 days. We made it fine through Sandy. We only had a 13K at that house so we definitely put a 22K on this house since we didn't have air conditioning for those 5 days and swore we'd never do that again. It's great.

We have just had this unit installed. In our previous house, we lost power during the night for several hours in late Fall. As a result, one of our forced hot water heating circuits froze. Once we were able to get it thawed, water was running down the wall. In this new house, we have already lost power for a few hours, causing our sump in the basement to overflow. No more of that! We are retired and look forward to the peace of mind this Generac will provide.

With young children in my house, I don't want to worry about keeping them warm in winter or cool in summer. With everything powered these days, including cell phones, that we use exclusively for communication... I can't afford to be without power. Food in refrigerator and freezers will not spoil. Life will go on "normally" in the house when the power goes out. Having a whole house generator installed, lets me not worry about a power outage anymore. So glad that Generac makes residential generators... it will last.

Just installed it yesterday, and waiting on the weekly run tomorrow. It is a great looking piece of equipment and appears to be of high quality. The start up technician was really very professional and went the extra mile to assure that it was installed correctly and safety conscience. He went the extra mile doing things that he was concerned about from the installation crew. I like in a neighborhood with multiple senior citizens age 60/93 and oour part of the neighborhood lost power multiple times last year from 8 hrs. to 14 hrs. So this is the reason I choose to install this unit. Also the Generac reputation is a standout for quality .

We had a 16 Kw Generac for 11 years and were very pleased with its performance. We have just recently upgraded to the 22Kw with the whole house transfer switch ... we've not tested it yet under adverse conditions but feel sure it will be just as dependable! Plus, being able to power anything in the house will be a huge bonus.

After more than ten years' experience with our reliable 8 Kw Generac that met our basic electrical needs, we realized that it really didn't make a great deal of sense to have a backup generator that couldn't power our central air and our electric range as well. With that in mind we contacted our (outstanding) local Generac sales and service outlet to obtain a proposal on a unit that would meet our needs. Our sales rep, Ian advised us that our needs would best be met with Generac's 22 Kw Guardian with whole house transfer switch, which we had installed last Friday. The installation was done professionally and expeditiously and, almost as if on cue, we had a two-hour power outage overnight of the second day after installation. As the weather was quite warm, the central air came on during the outage, and while the a/c's initial startup load did cause a noticeable momentary increased load on the generator, it was well handled and we were glad we had followed Ian's recommendation for the larger unit. As we have been pleased with the performance of our previous Generac we are looking forward to having the added capacity as well as advanced features of our new Generac and being secure in the knowledge that future power outages will have minimal impact on our overall comfort and safety.

I have a 22,000-Watt (LP)/19,500-Watt (NG) Air Cooled Standby Generator with Whole House 200 Amp Automatic Transfer Switch. Bought for new retirement home here in East Texas in Sept 2018. It has been the best investment I could have made as this area has frequent power outages. It tests itself every week or so and on the several occasions that we lost power, it ran as desired and provided all of the electric power we needed, including my dry heat sauna and hot tub lol. My house has propane for stove and tankless water heater. The unit had to be modified for propane versus LP. Other than that, no issues and would highly recommend. Just make sure you but a unit to cover your expected load nees....best of luck.

1 Stop Generator Shop and their staff have been helpful, informative, professional, reliable, polite and just a great company to deal with. This equipment will enable me to stay in my home instead of evacuating due to my medical needs for power. I just had the final walk through and inspection with Daniel and he was on-time, explained everything thoroughly and I would recommend 1 Stop Generator Shop to anyone looking for a great company to provide a great power solution. Thank you 1 Stop Generarator Shop for the peace of mind.