1. Residential Indoor Air Qualityby
John Martyny, Ph.D., CIH
National Jewish Medical and Research Center

2. Factors Effecting Residential IAQ
Heating and Ventilating System
Energy Sources
Construction Type
Residence Location
Occupant Activities

3. Heating and Ventilating System
Type of System
Radiant Heat vrs Forced Air
Hot Water
Condition of System
Filter Change
Vent Condition – CO and CO2
Air Conditioning
Moisture
Humidity

4. Energy Sources Fossil Fuel Combustion Electrical Space Heating
Carbon Monoxide
Oxides of Nitrogen
Vented vs. Un-vented
Electrical
Typically lower emission rates
Space Heating
Vented vs. un-vented

5. Construction Type Crawlspaces Emissions Water Infiltration Tightness
Moisture and Mold Concerns
Ventilation Concerns
Emissions
Furniture
Carpeting
Insulation
Water Infiltration
Tightness
Attached Garage

11. Residence Location Setting Distance to Traffic Climate Rural vs. UrbanCO
Diesel Particulate
Climate
Humidity
Air Conditioning

12. Occupant Activities Smoking Habits Hobbies Pets Pesticide Usage
Wood Working
Pottery
Sculpture
Pets
Pesticide Usage

13. Control Measures Use of HEPA vacuum cleaners Whole house vacuum system
Furnace filter upgrades
Reduction of fleecy materials
Low emission products
Damp cleaning
No smoking inside
Hobby dust and emission control
Moisture control

14. Questionable Control Methods
Ozone generators
Ion generators
HEPA filters
Duct cleaning