This week, Resideo announced the Honeywell Home X2S Smart Thermostat, an entry-level smart thermostat that looks utilitarian ...

If you're not feeling the warmth, HVAC experts say you may need to switch the mode on your thermostat.

You shouldn’t normally rely on it warm your house, but it’s useful when the thermostat’s regular settings aren’t cutting it. In normal conditions, your heat pump is the primary worker.

You shouldn’t normally rely on it warm your house, but it’s useful when the thermostat’s regular settings aren’t cutting it. In normal conditions, your heat pump is the primary worker. But in ...