Energy efficiency in physics is not measured the way most people think about it. Instead of asking how much heat a process produces per unit of fuel, physicists often compare how much of a substance’s ...

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 concept of the “high-efficiency furnace” in popular consciousness dates back to the 1980s. That’s when the National Appliance Energy Conservation Act of 1987 required all new furnaces be 78 ...

The IEA (International Energy Agency) warns global energy efficiency gains are improving in 2025 but remain off track for 2030 goals. The International Energy Agency (IEA) warns that global energy ...

At its core, cycling is more energy-efficient because it cuts down on wasted energy. When you run, every step is an impact on ...

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 ...

Whether you’re looking to lower your utility bills or concerned about the environmental impact of your housing choices, improving the energy efficiency of your home can make sense. After all, boosting ...

Advocates say the measure is strong but for a proposed $1 billion reduction to energy-efficiency programs that would undermine the sector without ...

Switch to solar with a system built for you. As solar energy technology continues to advance, advancements in solar panel efficiency have made it possible for photovoltaic (PV) installations to ...

Bill S-4 essentially aims to streamline how new household appliances enter the Canadian market by giving the minister greater flexibility to update standards and grant temporary exemptions for ...