Quick Indoor CO2 (QICO2)
An Indoor Carbon Dioxide Metric Analysis Tool
Building Type
Commercial/Institutional
Residential
Model Type
Predefined
User-Defined
Predefined Commercial Buildings (from ASHRAE Standard 62.1-2019)
Outdoor CO2 Concentration
400 ppm
400 ppm
Ceiling Height
3 m
3 m
62.1 Ventilation Rate per Person
5 L/s
5 L/s
62.1 Ventilation Rate per Floor Area
0.6 L/s˙m²
0.6 L/s˙m²
Occupant Density
25 #/100 m²
25 #/100 m²
Primary Ventilation Rate per Person
7.4 L/s
7.4 L/s
Time to Metric
2 h
2 h
Predefined Occupants
The values for the Predefined Occupants are not claimed to be representative but rather are
intended to provide example results demonstrating the function of the QUICO2 tool. Users can
change them by selecting the Copy to User-Defined Model button below.
User-Defined Commercial Building
Building Description
Building Name:
User-Defined Residential Building
Building Description
Building Name:
Space Description
Define Occupants
Sex:
Male
Female
Age Group:
Activity Level:
met
Number of Occupants:
User-Defined Occupants
Predefined Residential Buildings
Outdoor CO2 Concentration
400 ppm
400 ppm
Building Floor Area
250.0 m²
250.0 m²
Ceiling Height
2.74 m
2.74 m
Time To Metric
2.0 h
2.0 h
Number of Bedrooms
3
3
Scenario
Whole House
Whole House
Number of Occupants in House
4
4
62.2 Ventilation Rate
51.5 L/s
51.5 L/s
62.2 Ventilation Rate per Person
12.9 L/s
12.9 L/s
Predefined Occupants
The values for the Predefined Occupants are not claimed to be representative but rather are
intended to provide example results demonstrating the function of the QUICO2 tool. Users can
change them by selecting the Copy to User-Defined Model button below.
Space Description
Number of Occupants in House:
Number of Bedrooms:
Scenario Type:
Whole House
Bedroom
Whole House Scenario
Primary Ventilation Rate per Person
ASHRAE 62.2-2019
Air Change rate:
Whole House Ventilation:
L/s
Ventilation Rate per Person:
L/s
Air Change rate:
1/h
Ventilation Rate per Person:
L/s
Define Whole House Occupants
Sex:
Male
Female
Age Group:
Activity Level:
met
Number of Occupants:
User-Defined Whole House Occupants
Single Bedroom Scenario
Number of Occupants in Room:
62.2 Whole House Ventilation:
L/s
Primary Ventilation Rate per Person
ASHRAE 62.2-2019 Perfect
ASHRAE 62.2-2019 Uniform
User-Defined
Ventilation Rate per Person:
L/s
Room Ventilation:
L/s
Ventilation Rate per Person:
L/s
Define Bedroom Occupants
Sex:
Male
Female
Age Group:
Activity Level:
met
Number of Occupants: