Home energy systems are fantastic add-ons to your house. In the long run, they can help you save on utility bills, but they're not perfect. That's because no system is 100% efficient. The reality of ...

The use of sensors in household appliances is nothing new. The humble washing machine, for example, has numerous sensors that ...

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 ...

The energy bill that passed the Senate on June 21 represents an important step toward a new energy direction for this country. The bill includes provisions that will go a long way toward making ...

Matt Johnson, left, an HVAC technician, and Ben Sevigny, a thermal installer, both with ReVision Energy, a New England company specializing in solar energy and electric heat pump installations, work ...

Energy efficiency often translates directly into financial benefits. Lighting systems that consume less electricity can substantially reduce monthly utility expenses. Over time, these savings ...

Energy-efficient appliances often cost more upfront, but they save money in the long run. Systems like heat pumps and solar panels are common examples of upgrades that lower your utility bills. Modern ...

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 ...