Electric HVAC systems can help you keep your home comfortable using a fraction of the energy. We spoke to experts to find out just how efficient they are. Mike De Socio is a CNET contributor who ...

Despite numerous advances, energy efficiency is often misunderstood. Too frequently, it’s equated with cost-cutting or making do with less. But for today’s commercial leaders, efficiency is about ...

Energy-efficient windows often feature multiple glass panes, gas fills, low-e coatings, and well-insulated frames. Proper installation is crucial to ensure a window's energy efficiency benefits are ...

Two-thirds of the world’s energy is wasted. Energy efficiency opens up immense opportunities for growth, energy security, and the environment. Energy efficiency is a key element of the World Bank ...

I did the math to see how much a new fridge saves compared to a 10-year-old model, and how long it'll take to pay back the upfront cost. John Carlsen has more than a decade of experience testing and ...