What is optimal indoor air quality?

What is optimal indoor air quality?

Humidity Heat Index

Not only temperature control, but humidity control also affects comfort.

Comfort zone defined by ASHRAE Standard*.
*ANSI/ASHRAE Standard 55-2010

Optimal humidity range for minimising adverse health effects

Source: Sterling, E.M., et al. ‘‘Criteria for human exposure to humidity in occupied buildings.’’
ASHRAE Transactions, 1985, vol. 91, Part 1.