A：
We have 50CFM,60CFM,80CFM,90CFM,110CFM,130CFM,150CFM and 160CFM
Q：
Does you Fan have UL certification?
A：
Yes
Q：
Does you Fan have ETL certification?
A：
Yes
Q：
Are your fans energy star certified?
A：
Yes some of the fans are certified by energy star
Q：
Are your fans HVI certified?
A：
Yes some of the fans are certified by HVI
Q：
How to select bathroom fans?
A：
According to the general rule, you will need at least 1 CFM per square foot of you room.For example, 50CFM bathroom exhaust fan for arround 55 square feet bathroom. 80CFM fan for arround 85 square feet bathroom. 110CFM fan for arround 115 square feed bathroom
Q：
How many CFM for a 10 ftx10 ft bathroom?
A：
10ft x 10ft=1000 sq ft. You will need 110CFM bathroom fan?
Q：
Is your bathroom fan easy to install?
A：
We have bathroom fan with no attic access option, which means users can install the fan from their bathrooms
Q：
Do you have bathroom fan with humidity sensor?
A：
Yes
Q：
Do you have bathroom fan with light and different CCT option
A：
We have bathroom fan with 3CCT (3000K,4000K,5000K) and 5CCT(2700K,3000K,3500K,4000K,5000K)
