Just add hot water and enjoy!

add hot water?

I understand that it is undesirable to have hot water exposed to air for long time as excessive CO2 will dissolve in water, or having water boiled multiple times etc. I wonder if these hot water dispenser is really good to health?

#3 it is destroying the planet!!
See http://www.telegraph.co.uk/technology/google/4217055/Two-Google-searches-produce-same-CO2-as-boiling-a-kettle.html

I am stopping using google too!!