Energy efficiency is a good thing —but is it being undermined by some part of human nature? There’s a long-running debate in energy economics about whether as technology becom ...

AC induction motors are widely used in industrial applications due to their reliability and low maintenance needs. Comprised of a stator and rotor, these motors convert electrical energy into ...

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 ...

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 ...