Temperature and Humidity Problems

Notes: Due to wide differences in personal comfort levels and clothing influences, typically, up to 20% of poeple in a space may be uncomfortable to some degree--so dont't expect to obtain 100% satisfaction. Also, occupant discomfort may resul from stressors such as glare, noise, ergonomics, or job or home stress.

Possible Contaminants:

• Air Temperature and Humidity
  • Is the thermostat properly set?
  • Is air flowing from the vent warm (for heating) or cool (for cooling)?
  • Are drafts or direct sunlight causing discomfort?
  • Is humdity too high or low (best if between 30-60% relative humidity)?
  • Is condensation often present on windows or other cold surfaces?
  • Is there an objectionable odor?
• Outdoor Air Supply
  • Is the ventilation system turned on?
  • Are the vents blocked?
  • Is air flowing from the vents?
  • Is the outdoor air intake blocked?
  • Is air flowing into the outdoor air intake?
  • Is the duct blocked?
  • Is the outdoor air intake supply at least 15 cfm per person?
  • Is carbon dioxide in the area less than 1000 ppm?