Deye said its new single-phase off-grid inverters have an AC output power ranging from 3.6 kW to 6 kW. The systems feature a maximum efficiency of 97.6% and a European efficiency rate of 96.5%.

The 3 kW N3300S inverter combines a pure sine wave inverter with an integrated MPPT solar charge controller for small residential and hybrid PV systems. The unit supports multiple power sources, ...

Add Yahoo as a preferred source to see more of our stories on Google. Could this common home machinery help usher in more renewable energy? Holden Henry/iStock / Getty Images Plus As summer arrives, ...

As summer arrives, people are turning on air conditioners in most of the U.S. But if you’re like me, you always feel a little guilty about that. Past generations managed without air conditioning – do ...

Kicking your utility to the curb sounds like a great deal, but it's more difficult than it sounds. Here's what it takes to go off the grid with solar panels. CNET contributor Eric Mack knows all too ...

The following essay is reprinted with permission from The Conversation, an online publication covering the latest research. As summer arrives, people are turning on air conditioners in most of the U.S ...

As summer arrives, people are turning on air conditioners in most of the U.S. But if you're like me, you always feel a little guilty about that. Past generations managed without air conditioning—do I ...

Johanna Mathieu works for the University of Michigan. She has received funding from the National Science Foundation, Department of Energy, ARPA-E, and the Alfred P. Sloan Foundation. She is affiliated ...