Cold temps can bring high energy bills, but this heating trick will help you save while using the latest technology.

Honeywell stock was falling early Tuesday after the aerospace and automation technology provider caught a rare, and in this case surprising, double downgrade from BofA analyst Andrew Obin.

It happens each year when the weather turns cold: The coats, hats, sweaters and blankets come out. The lights come on earlier. And the arguments over how high or low to set the thermostat begin. But ...