Here is the difference between the two types...
The thermostats are generally the same, and the systems tend to be in the 120-volt to 240-volt range..
Analog thermostats use mercury along with the thermometer to tell the system when to shut on or off.
Either way, you go there will be interface for you to control based on the temperature, time of day or season...
Low voltage systems are those that run on electricity, and the majority of homes and business will run these types of systems.
heating and air conditioning system do not use as much electricity as the voltage systems, keeping your energy bill lower..
Analog thermostats plug into the system and mount on the wall allowing you to set the mode, and slide dial to the temperature range.
These thermostats have thermometer built in to gauge the temperature around the thermostat and turn the system on or off accordingly..
Digital thermostats also mount on the wall and plug into the system.
You can use the touch-screen or other control methods to set the temperature, and the system will shut on or off according to the temperature reading of the thermostat...
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