Generac QuietSource Series QT02224 22,000 Watt Liquid Cooled Propane/Natural Gas Powered Standby Generator Without Transfer Switch (CARB Compliant) Review

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(More customer reviews)22KW Liquid Cooled Generator
Model QT02224ANAN
Product broke down within first year of ownership. Still under warranty, but Generac has been unable to fix the problem and has become unresponsive. We have sent detailed pictures of the broken component and they have been unable to furnish a correct replacement part. This problem has been ongoing now for over 4 months with no resolution in sight. Generac's poor customer service and lack of knowledge on their equipment is troublesome to say the least.
Plus, to compound the problem, Generac's distribution/ representatives are not supporting the Generac product either. We bought the item from Northern Tool Company. Northern Tool points the finger at Generac, and Generac points the finger at Northern Tool. In the end, we have a broken generator that is under warranty that no one will fix.


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Enjoy fast-acting automatic protection from power outages with the Generac QT02224ANAN QuietSource Series 22,000 Watt Liquid-Cooled Propane/Natural Gas Powered Automatic Standby Generator with Aluminum Enclosure. Ideal for larger homes and commercial applications, this long-lasting generator features Quiet-Test technology and an automotive style engine that operates at lower speeds, making it one of the quietest models on the market.
(*Note to California customers: this generator's engine is CARB compliant.)
Quiet, Hands-Free OperationWhether you run a large home or a small business, this generator equips you with superior power-outage preparedness without racking up the energy bill. The automotive style, high-performance engine operates at a lower speed, meaning it puts out greater power with less noise, so you enjoy total peace of mind when it comes to unexpected power outages.
The low speed engine makes for significantly decreased fuel consumption during self-test exercises and while taking on full loads. Plus, this generator runs on natural gas or LP (propane), so it's a clean burning fuel.
Like all Generac generators, this model is UL (Underwriters Laboratories) listed for safety.
Looking for a generator with a higher power rating? Check out the 27,000 Watt QuietSource Series generator.
Quiet-Test Feature Means Whisper-Quiet OperationSpecially designed with Generac's patented Quiet-Test technology, this generator is ideal for environments requiring super quiet performance. The Quiet-Test mode kicks on for an ultra-quiet, neighborhood-friendly self-test cycle that's as hushed as a car in an idle state.
Aluminum Encasing For Superior Corrosion ResistanceEncased in heavy-duty aluminum and protected by Generac's proprietary RhinoCoat system--a unique process that binds the paint to the metal surface for a long-lasting, durable finish--this long-lasting generator holds up against corrosive environments without developing an unsightly appearance. Plus, all components are easily accessible for routine maintenance.
More Power in a Small PackageThe QuietSource Series generators pack a lot of power in a small footprint, giving you the backup coverage you need without taking up too much space outside your home or business. To complete the generator system, choose a Generac RTS Automatic Transfer Switch that best fits your installation requirements (sold separately).
What's in the BoxGenerac QT02224ANAN QuietSource Series 22,000 Watt Automatic Standby Aluminum Generator (CARB Compliant); installation guide and owner's manual.
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Generac QuietSource Series QT02516 25,000 Watt Liquid Cooled Propane/Natural Gas Powered Home Automatic Standby Generator (CARB Compliant) Review

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(More customer reviews)I've had it for 4-5 years. Power went out during Ike. Generator was on for more than a week and suddenly stopped. It was low on oil.
As soon as I added oil, it started again (a little to soon, I got splattered) I change to oil and filters myself. I save about $200 of the $250 charge from Generac.

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Generac Guardian Series 5875 20,000 Watt Air-Cooled Liquid Propane/Natural Gas Powered Standby Generator With Transfer Switch (CARB Compliant) Review

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(More customer reviews)In May I will have had this generator installed for 2 years. I have had ZERO problems with it! Just like it is supposed to it "wakes up" every Monday morning and runs at half speed for about 12 minutes to keep everything limber. Recently, I discovered Amazon had the maintenance kit for only $13.97. It has a new air filter, oil filter and 2 spark plugs. Generac recommends changing the oil at 200 hours or 2 years whichever comes first, so my plan is to change the oil at the 2 year boundary next month.
I have had 2 complete power failures here in the country over the last 2 years. One lasted about an hour and a half. Both times the generator started in the required 10 seconds or less and the power transferred automatically. I had to laugh when I saw the power company truck drive by looking for the outage and our lights were the only ones on. Grin!! But I am a retired Electrical Engineer and I KNOW how this stuff works. This 20kw unit has practically rock solid voltage and frequency regulation. I have one of those little plug-in units called a Kill-A-Watt and the frequency counter maybe goes down to 59.9hz and up to 60.1hz occasionally, however, most of the time it stays right on 60hz. Now I will admit when the whole house air conditioner starts the generator "moans" a little bit but recovers instantly and keeps on truckin'. The only other comment that might be appropriate here is my surprise when the electric contractor that installed the unit poured the concrete pad that it sits on. I asked, "Isn't this too small". They assured me it wasn't. And since, in the past I had one of the Generac 10kw contractor units that is almost twice the size, was I surprised when I saw how small this unit was. But new technology has allowed even generators to shrink.
All in all I give this generator an A+. I am TOTALLY happy!!

Click Here to see more reviews about: Generac Guardian Series 5875 20,000 Watt Air-Cooled Liquid Propane/Natural Gas Powered Standby Generator With Transfer Switch (CARB Compliant)

Experience fast-acting, automatic protection from power loss with the Generac Guardian Series 5875 20,000 Watt Air-Cooled Propane/Natural Gas Powered Automatic Standby Generator with Aluminum Enclosure. Ideal for home use, this generator powers up automatically and within seconds of a power outage without the need for any manual startup. Without any buttons to push or cords to plug in, an automatic standby generator starts up by itself even when you're away! Featuring easy installation, it comes pre-wired and packaged with virtually everything necessary to connect to your home's electrical system and existing LP or natural gas fuel supply, so you can be protected the next time the lights go out.
Hands-Free Automatic Operation When the power goes out, this generator eliminates the trouble of dealing with a fuse box in a dark basement or going outside in a storm to start a portable generator. After all LP or natural gas and electrical connections are completed, the Generac 5875 is ready to run 24/7 and requires absolutely no manual operation, no fueling, and no extension cords. The generator responds within seconds of power outages, so inconveniences like heat or air conditioning loss and burst pipes or spoiled food are quickly avoided.

Initial setup is easy. The generator arrives pre-wired and equipped with the necessary installation gear: a 200 Amp service entrance rated transfer switch , an outdoor connection box, a flexible fuel line pigtail, and a composite mounting pad. (Additional items and tools may be needed to complete the installation to meet local codes. Consult a licensed professional for further details.)

The unit can be programmed to perform a weekly exercise at the time of your choice, so it will be ready for continuous and reliable operation on a moment's notice. For convenience, it also offers clear, digital controls, an at-a-glance status indicator, and an external GFCI outlet to accomodate your outdoor power needs.



Superior Technology for Secure Output, Quiet Operation, and Durability Thanks to Generac's exclusive True Power Technology, this generator provides clean, continuous power, so sensitive electronics and microchip appliances like laptops and HVAC equipment can be operated without the worry that unexpected power surges bring. Also featuring Generac's patented Quiet-Test technology, this generator is truly neighborhood-friendly: it's self-test mode is as hushed as an idling car to ensure that your daily routine is unaffected.

The generator's aluminum enclosure offers superior corrosion resistance and is protected by Generac's proprietary RhinoCoat system--a unique process that binds the paint to the metal surface for a long-lasting, durable finish. This allows the generator to sit outdoors and withstand harsh weather conditions without developing an unsightly appearance.

Like all Generac generators, this model is UL (Underwriters Laboratories) listed for safety.

Rugged, Worry-Free Design The generator features the 999cc Generac OHVI® Engine, an exclusive air-cooled generator engine with a high-performance design that can accommodate large electrical loads. The engine optimizes power to respond swiftly to changing conditions. To add to your peace of mind, the engine requires routine maintenance only once every two years, or after 200 hours of use.

This Generac generator meets CARB requirements. It requires a Group 26R 12-volt minimum 525 CCA battery (sold separately).

What's in the Box Generac Guardian Series 5875 20,000 Watt Air-Cooled Propane/Natural Gas Powered Automatic Standby Generator with Aluminum Enclosure; 200 Amp NEMA 3R service entrance rated automatic transfer switch, base fascia and composite mounting pad; installation guide and owner's manual.


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