Thermostat with usage history

A thermostat for controlling an HVAC system of a building or other structure, the thermostat comprising:

• a thermostat housing;
• a controller situated in the thermostat housing, the controller implementing a control algorithm that is adapted to at least partially control one or more components of an HVAC system;
• a display viewable from outside of the thermostat housing;
• a receiver coupled to the controller and structured to receive one or more messages, either directly or indirectly, from a utility meter, wherein the one or more messages have a message content that includes one or more measures of utility usage;
• and
• the controller programmed to:
• receive the one or more messages from the receiver;
• store the one or more measures of utility usage in a memory;
• determine a first measure of utility usage corresponding to a first period of time and a second measure of utility usage corresponding to a second period of time, wherein the first period of time is before the second period of time, and wherein at least one of the first and second measures of utility usage is based, at least in part, on the one or more measures of utility usage stored in the memory;
• and
• display on the display an indication of the first measure of utility usage and an indication of the second measure of utility usage.

A thermostat for controlling an HVAC system of a building or other structure, the thermostat comprising:

• a thermostat housing;
• a controller situated in the thermostat housing, the controller implementing a control algorithm that is adapted to at least partially control one or more components of an HVAC system;
• a display viewable from outside of the thermostat housing;
• and
• the controller programmed to simultaneously display on the display an indication of a measure of utility usage corresponding to a first time period and an indication of a measure of utility usage corresponding to a second time period, wherein the second time period substantially corresponds to the first time period in duration, and wherein the first time period precedes the second time period.