Yes, induction ranges are generally more energy-efficient than both gas and traditional electric stoves. Induction cooking uses electromagnetic fields to directly heat pots and pans, which results in less energy loss compared to gas and electric stoves that heat indirectly. 
In gas stoves, a significant amount of energy is lost as heat dissipates into the air around the cookware. Typically, only about 40-55% of the energy from gas is used to cook food. Traditional electric stoves, which use resistive heating elements, are slightly more efficient than gas, with about 65-70% energy efficiency. However, they still lose energy as heat radiates from the element to the cookware.
Induction ranges, on the other hand, can achieve energy efficiency levels of around 85-90%. This is because the electromagnetic field directly heats the cookware, minimizing energy loss. The cookware itself becomes the heat source, which means less heat is wasted in the surrounding environment. This direct transfer of energy not only makes induction cooking faster but also keeps the kitchen cooler, further reducing energy consumption for air conditioning.
Additionally, induction ranges offer precise temperature control, which can lead to further energy savings by reducing overcooking and maintaining optimal cooking conditions. However, it's important to note that induction cooking requires compatible cookware, typically made of ferrous metals like cast iron or some stainless steels.
Overall, while the initial cost of induction ranges can be higher, their superior energy efficiency and performance can lead to cost savings over time, making them a more sustainable choice for energy-conscious consumers.