Home Generator: Selecting, Sizing And Connecting

This guide, written by a power electronics engineer, provides you with the practical information that you need to know in order to choose the right emergency power generator for your needs and to choose a connection method.
The book discusses standby and portable electric generators in minute detail. It also presents an overview of battery-based backup systems. For each type of electric generators this Home Generator Guide provides principles of operation, pros and cons, lesser-known details, charts with comparative characteristics of the popular brands, cost estimation, step-by-step sizing procedure and transfer switch wiring options.

The book explains some common mistakes made in determining the required generator size. In conclusion the author offers his generator picks depending on your requirements and budget. This guide focuses primarily on the North American split‑phase 120/240 V electrical system.
Note this is not a DIY guide.