It learns your habits and is controllable using smartphone applications when situations arise and you need to change the settings.
													
																	Nest not compatible with high voltage. 
									
	
		
	
																	You might have a line voltage 120v system if your wires are thick and either 2 or 4 in quantity probably just two or four red and black or red and white in color you operate your heater s on a room by room basis. 
																	The rest of the heating and cooling systems detailed in this article are not compatible with mainstream smart thermostats. 
																	Contact a local pro and have them install a step down transformer to 20 30v. 
																	While most heating systems are high voltage usually 230v usually they only use a little bit of current at a time up to 3a. 
															
													
									
	
		
	
																	High voltage thermostats are usually labeled 110 115 120 or 240 vac note. 
																	In some cases it is possible to make a high voltage system nest compatible. 
																	There are two main reasons that a heating system may not be compatible with nest thermostat.