The Best Home Generators Are a Big Investment. These Models Deliver Reliable Power During an Outage.

Our editor-tested and researched portable and whole-home options keep appliances and other essentials running during an ...
Energy Matters

How to Ensure Your Solar Warranties Stay Valid Long After Install

Solar warranties only protect you if they stay valid. Learn the overlooked installation, maintenance, and documentation steps ...
Electronic Specifier

Understanding TEG modules

Thermoelectric generator (TEG) modules make heat-to-power-source possible by turning a temperature difference into an ...