Can't maintain a reliable temperature. Actual room temperature swings from 66 to 75

these are not good thermostats. I have three of these and all of them show higher temps than the room's actual temperature. I bought these to replace some cheaper thermostats. They look better than the cheaper knob-based thermostats, but they don't work any better. The units generate enough heat to cause the thermostat to have false readings and the room temp fluctuates in a range of about 10 degrees over a 30 minute period. That's more than enough to go from feeling really cold to really hot. 1) The face plate generates heat, so the temperature is offset slightly. If this was the only problem you could just set the thermostat slightly higher to account for the change. 2) However, when the heaters turn on, the flow of electricity causes the unit to heat up unpredictably because of the variable flow. This makes the temperature reading fluctuate unpredictably and you get wild temperature swings. The actual temperature in my living room swings between 66 and 75 degrees over a 24-hour period when I set the thermostat to 72 degrees.

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