Module 5: Indoor Air Quality

Question 1

knowing how energy efficiency measures can impact what?

Answer 1

indoor air quality (IAQ)

Question 2

what are types of air-borne pollutants?

Answer 2

1. dust
2. VOC (volatile organic compounds) -have odour, anything new in a house (carpet, paint, hair sprays)
3. carbon monoxide: gas produced when fuel is not completely burned
4. carbon dioxide: (CO2) when we breathe
5. radon: gas from radioactive decay in soil (pressure difference between air and soil, found in basement)
6. smoking

Question 3

what are types of moisture-borne pollutants?

Answer 3

1. condensation

2. mold

Question 4

what are the 3 ways to improve poor indoor air quality?

Answer 4

1. eliminate the source
2. treat or filter the air to get rid of the source pollutants
3. ventilate the house to replace source pollutants with fresh air.