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 ...

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 ...

In today’s world, motors are ubiquitous, powering everything from household appliances to industrial machinery. The importance of optimizing motor control for energy efficiency cannot be overstated, ...

Solar panels in the backyard of a Houston home. After University of Texas research scientist Joshua Rhodes installed an energy efficient heat pump in his Austin home, as part of a remodel, he saw his ...

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 ...

Most households keep a close eye on heating and cooling costs, yet smaller appliances quietly chip away at monthly electricity bills in ways that rarely get noticed. Something as routine as using a ...

We did the math: Here's how much a new fridge model can save you over one that's a decade old. John Carlsen has more than a decade of experience testing and reviewing home tech products, with a major ...

You can update your existing windows to make them more energy efficient or replace them with Energy Star certified options. Some or all of the mortgage lenders featured on our site are advertising ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? While size and style are important when shopping for a new refrigerator, energy ...

One of the biggest reasons to buy a new refrigerator is better energy efficiency compared with an older model. But how much of a difference does energy efficiency make in the long-term costs of a ...