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2. Air conditioning - Wikipedia

   en.wikipedia.org/wiki/Air_conditioning

   Air conditioning can be achieved using a mechanical 'air conditioner' or by other methods, including passive cooling and ventilative cooling. [ 2 ] [ 3 ] Air conditioning is a member of a family of systems and techniques that provide heating, ventilation, and air conditioning (HVAC) . [ 4 ]

3. Building automation - Wikipedia

   en.wikipedia.org/wiki/Building_automation

   Building automation (BAS), also known as building management system (BMS) or building energy management system (BEMS), is the automatic centralized control of a building's HVAC (heating, ventilation and air conditioning), electrical, lighting, shading, access control, security systems, and other interrelated systems.

4. Kawasaki Heavy Industries & CSR Qingdao Sifang C151B

   en.wikipedia.org/wiki/Kawasaki_Heavy_Industries...

   The Kawasaki Heavy Industries & CSR Qingdao Sifang C151B is the fifth generation electric multiple unit rolling stock in operation on the existing North–South (NSL) and East–West (EWL) lines of Singapore's Mass Rapid Transit (MRT) system, manufactured by Kawasaki Heavy Industries (KHI) & CRRC Qingdao Sifang under Contract 151B. 45 trains were purchased and all of them have been delivered ...

5. Fares and ticketing on the Mass Rapid Transit (Singapore)

   en.wikipedia.org/wiki/Fares_and_ticketing_on_the...

   The ticketing system is developed based on the Contactless e-Purse Application standard. The Symphony for e-payment (SeP) is the backend processing and clearing system for public transit. [21] SeP allows any smart card that complies with the CEPAS standard to be used within the system and a wide variety of payment applications.

6. Packaged terminal air conditioner - Wikipedia

   en.wikipedia.org/wiki/Packaged_terminal_air...

   Packaged terminal air conditioner installed in a residential apartment. A packaged terminal air conditioner (PTAC) is a type of self-contained heating and air conditioning system intended to be mounted through a wall. [1] The first practical semi-portable air conditioning unit invented by engineers at Chrysler Motors. It entered the market in ...

7. Chilled water - Wikipedia

   en.wikipedia.org/wiki/Chilled_water

   Chilled water cooling is not very different from typical residential air conditioning where water is pumped from the chiller to the air handler unit to cool the air. Regardless of who provides it, the chilled water (between 3 and 6 °C (37 and 43 °F)) is pumped through an air handler , which captures the heat from the air, then disperses the ...