Batteries aren't one-size-fits-all, and neither is the way they're wired to your house. Here's what you should know about AC- and DC-coupling. When we think about solar panels and batteries, we don't ...

My central air conditioner is 16 years old, noisy, and probably inefficient. I want to replace it with a quiet, efficient model. What are the best ones available for 2011 and which provide the best ...

The best solar generator pairs a large-capacity rechargeable power station — a big battery, at heart — with a set of portable solar panels, making for a versatile device that can provide backup power ...

With the arrival of summer, the need for air conditioning in homes becomes increasingly evident. In North India, temperatures soar from April through September-October, making AC a necessity. However, ...

We tested 20 solar generators to find the most versatile devices that can provide emergency backup power and fuel off-grid ...