I saw an induction stove, a window-mounted heat pump, a battery back-up system and a few other promising appliances — these are user installable, work with standard 120V outlets and do their ...

Heat pump tech has been downsized into something that looks a bit like a window air conditioner. For 27 years, the heat in Regina Fred's Queens apartment building came from a noisy steam radiator ...

In August 2022, Gradient was awarded a seven-year contract for the development and delivery of thousands of cold climate packaged window heat pump units.