This video shows Ben Giles, an electrician, talking about backup generators. It is an excellent add-on to a house. Learning about generators will give you peace of mind when you are out of town; be sure your home is still running even if there is an emergency.
In this video, the generator installers explain the details of a generator, including what it is, how it works, and the power source. This particular generator is a natural gas model.
Therefore, it should run indecently as long as there is no problem with the grid.
This is an emergency load generator. It will run a large percentage of the house, but not the entire house. It will run refrigeration, heating, and most of the lights. It will not run air condition and ovens. This is a 14KW. It runs a diagnostic every week to see if there are any problems with the unit. If so, a check light comes on. The video shows how to set up the generator to automatic to run if the power to the house goes out.