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2. Robotic vacuum cleaner - Wikipedia

   en.wikipedia.org/wiki/Robotic_vacuum_cleaner

   Robotic vacuum cleaner on a hardwood floor. A robotic vacuum cleaner, sometimes called a robovac or a roomba as a generic trademark, is an autonomous robotic vacuum cleaner which has a limited vacuum floor cleaning system combined with sensors and robotic drives with programmable controllers and cleaning routines.

3. List of vacuum cleaners - Wikipedia

   en.wikipedia.org/wiki/List_of_vacuum_cleaners

   An early electric vacuum cleaner by the Electric Suction Sweeper Company, circa 1908, predecessor of the Hoover vacuum cleaner (1922).. This is a list of vacuum cleaners and robot vacuum cleaner manufacturers.

4. Roomba - Wikipedia

   en.wikipedia.org/wiki/Roomba

   A Roomba is an autonomous robotic vacuum cleaner made by the company iRobot, and was first introduced in September 2002. [1] Roombas have a set of sensors which help them navigate the floor area of a home.

5. ecobee - Wikipedia

   en.wikipedia.org/wiki/Ecobee

   ecobee was founded in 2007. [4] It has been recognized with a number of awards, including the Deloitte Technology Green 15 Award for Canadian green technology companies, [5] and the 2011 AHR Expo Innovation Award in the category of building automation.

6. Air conditioning - Wikipedia

   en.wikipedia.org/wiki/Air_conditioning

   The first mini-split system was sold in 1961 by Toshiba in Japan, and the first wall-mounted mini-split air conditioner was sold in 1968 in Japan by Mitsubishi Electric, where small home sizes motivated their development. The Mitsubishi model was the first air conditioner with a cross-flow fan.

7. Thermostat - Wikipedia

   en.wikipedia.org/wiki/Thermostat

   A thermostat exerts control by switching heating or cooling devices on or off, or by regulating the flow of a heat transfer fluid as needed, to maintain the correct temperature. A thermostat can often be the main control unit for a heating or cooling system, in applications ranging from ambient air control to automotive coolant control.