However, Honeywell says that affected thermostats are still working to control heating and cooling — they're just under manual control, like a normal thermostat. It's the smart features that are on ...

Unlock to see our ratings and compare products side by side The ease of manually controlling the thermostat's temperature set-point, heating/cooling schedule, home/away and vacation features - when ...

Unlock to see our ratings and compare products side by side The ease of manually controlling the thermostat's temperature set-point, heating/cooling schedule, home/away and vacation features - when ...

I have since removed the Honeywell RLV3120A 2-wire thermostat and put back in the old mechanical twist-knob thermostat. Since this one has three wires I connected the black and red to the same two ...

One morning last fall, Pat Tessier, a marketing director at the electronics giant Honeywell, stopped by my house to show me the company’s high-end thermostat, the Prestige HD. It was an unusual visit.

The internet-enabled thermostats made by $122 billion appliance giant Honeywell has been having server issues, leaving some customers unable to control their temperature via an app as advertised — and ...