ASHRAE High Tier

Home Square Footage

<1500

Number of Bathrooms

0-1
2-3
4-5

CFM For Cont. Ventilation

30 CFM
45 CFM
60 CFM

Recommended Fan Models

SIG110D or SIG110H
SIG110D or SIG110H
SIG110D or SIG110H

Home Square Footage

1501-3000

Number of Bathrooms

0-1
2-3
4-5

CFM For Cont. Ventilation

45 CFM
60 CFM
75 CFM

Recommended Fan Models

SIG80-110D or SIG80-110H
SIG110D or SIG110H
SMT150D or SMT130H

Home Square Footage

3001-4500

Number of Bathrooms

0-1
2-3
4-5

CFM For Cont. Ventilation

60 CFM
75 CFM
90 CFM

Recommended Fan Models

SIG110D or SIG110H
SMT150D or SMT130H
SIG110D or SIG110H

Home Square Footage

4501-6000

Number of Bathrooms

0-1
2-3
4-5

CFM For Cont. Ventilation

75 CFM
90 CFM
105 CFM

Recommended Fan Models

SMT150D or SMT130H
SIG110D or SIG110H
SIG110D or SIG110H