If your thermostat fails to light up after changing the batteries, please call us at 1.800.PROTECT (1.800.776.8328) to schedule a service visit.
If your thermostat does not have batteries, then it gets its power from your HVAC system. Please make sure the HVAC system is has power, and ensure that you do not have any electrical breakers flipped.
To change the batteries on your Z-Wave smart thermostat, please watch this quick video:
If this isn't your thermostat, the steps to changing the batteries may be different:
In most 2GiG thermostats (including CT100 Z-Wave thermostat), the bottom or top portion of the thermostat will slide off the faceplate to reveal the battery compartment.
If you have a Honeywell thermostat, on most models, press around the edges of the faceplate to loosen the thermostat from the mounting plate. Then pull the thermostat away from the wall. You will see the batteries located on the back of the thermostat.
If you are unsure on what model of thermostat you have, or none of the above instructions match what is installed in your home, please give us a call at 1.800.PROTECT (1.800.776.8328).
Controller – 5.0" H x 6.94" W x 1.38" D
Tilt sensor – 1.69" H x 0.88" W x 1.19" D
The smart thermostat is 3.88" H x 5.88" W x 0.90" D.
With typical use, the smart thermostat will last well over one year when running on battery power alone. The battery can be expected to last even longer if the smart thermostat is powered through the C-wire (common wire). In this case, the batteries will only be used when the power is out.
Yes, and it’s very easy. When it’s being installed, ask your professional installer for some tips or check out our blog post on how to maximize energy-savings with your smart thermostat.
A smart light module is 2.97" H x 2.00" W x 1.56" D.
Modules are connected to your smart home ecosystem. You can control your lights based on events or time of day, all from your Guardian app.
Each light module can handle up to 1800 watts.
Several factors play into how long your batteries will last, including environment, temperature, and weather stripping. Typically, battery life ranges from 6 months to 1 year.