Technologies for thermostats

A method, comprising:

• running, by a processor, an application program in a technician mode on an operating system of a mobile computing terminal having a display and a first network interface such that (1) the first network interface directly pairs with a second network interface of a thermostat connected to a component of an HVAC system and (2) the display displays a Graphical User Interface (GUI) that enables a technician to (i) select a setting for the component and (ii) send the setting from the application program via the first network interface to the thermostat via the second network interface such that the thermostat operates the component according to the setting.

A method, comprising:

• sending, by a server, an application program to a mobile computing terminal, wherein the mobile computing terminal has a display and a first network interface, wherein the mobile computing terminal hosts an operating system, wherein the application program is programmed to run in a technician mode on the operating system such that (1) the first network interface is capable of directly pairing with a second network interface of a thermostat connected to a component of an HVAC system and (2) the display is capable of displaying a Graphical User Interface (GUI) that enables a technician to (i) select a setting for the component and (ii) send the setting from the application program via the first network interface to the thermostat via the second network interface such that the thermostat operates the component according to the setting.

A system, comprising:

• a mobile computing terminal having a display and a first network interface, wherein the mobile computing terminal hosts an operating system, wherein the operating system hosts an application program programmed to run in a technician mode such that (1) the first network interface is capable of directly pairing with a second network interface of a thermostat connected to a component of an HVAC system and (2) the display is capable of displaying a Graphical User Interface (GUI) that enables a technician to (i) select a setting for the component and (ii) send the setting from the application program via the first network interface to the thermostat via the second network interface such that the thermostat operates the component according to the setting.