We have had a number of Honda EU2000s since they first came out about 17 years ago. We run our whole hunting camp and I also use it to run my motorhome including my AC when we go camping. I have a ‘micro air easy start’ on the 13,500 AC unit. I keep them about 5 to 7 years, then sell for almost what I paid for them and buy a new one.
Honda just quit making the EU2000s and replaced it with a EU2200, so I sold mine and bought the new 2200. Where I bought mine they tested the new against the old one and found that the 2000 actually produced about 1840 watts, and the new one 2430 watts. Although Honda only advertises 1600 and 1800 watts.
Briefly considered several other brands, but decided to stick with Honda because of the durability, economy, quietness, and of course--resale value. I only lose about $43 a year on them.
We have a 6 gallon Extend-a-tank at our camp, so that will run the 2000 for 3.5 days. Bought the extend-a-tank from a guy named Bruce on ebay. He only uses real ‘gas rated’ connections and marine hoses on his stuff. My friend bought one from another guy on ebay and found that the connections were ‘pneumatic’ instead of quality connectors rated for gas.
As a side note, from what I could find, only the Honda and Preditor have fuel pumps built in. So if you plan to use an extend-a-tank on other generators, it will have to be elevated above the generator. Again another reason we chose to stay with Honda.
PS. I have no affiliation with Honda, just a satisfied customer.