Exhaust fan is good , i don like open window because insert will fly in , for condo i dunno , but my is landed house , cicak will coming in 
my house 4 toilet + 1 kitchen all install exhaust fan 

Nop it cant come in, because when u off the exhaust fan, it will close down the cover, from my old house using this brand Khind , now moving new how so stil choose this brand, more common, less problem, and most important is the price is cheap too

Exhaust fan is a must for bathroom, its pity for 2nd person to use the toilet after the first one use ,  i hate when going in the toilet feel warm or after the smell after big project =.=

Nop la , when u turn on the toilet light , the exhaust fan will follow turning on , so when u taking bath the haze will be suck out , and i tell u , u will enjoy singing while taking bath    Because u won't feel hot  highly recommend to install exhaust fan inside toilet
Tell u ,  i install exhaust fan in my kitchen even i already have the hoods 
If ur toilet stil naked (mean havent renovate anything) , and ur budget allow , go for modern exhaust fan design if u like modern , i have 4 toilet + 1 kitchen , if buy RM188 x 5 = RM940 and installation blah blah RM1k++ already , this exhaust fan i just spend less than RM500 include install 
Toilet tiles , plaster ceiling is provided when i bought this new house    I save quite alot , but the problem is i can't do any hacking because i don have same tiles design   

For my house, I have two bath rooms at 2nd floor, I don't see the need of exhaust fan because the windows is always open, at least 30% opening. Yes some mist will build up after long hot bath, it will just go away after few mins will gone.

All my room have exhaust ventilation fan, it help suck in fresh air at night during rainy day, making my room much nicer to sleep. For ventilation to the roof, roof itself have many opening and airflow will clear up moisture.

Rainy day nope. Only switch on AC f its hot day.

hi all,

i have a exhaust fan mounted on my toilet window just like the above. However, my toilet still feels very "wet" and already have mold on my plaster ceiling although I just move in 8 months ago.

Contractor previously told me my condo is quite old (14 years) and has house sweat. Whatever bullcrap that is. I even have molds on my PVC in the masterbedroom and shirts which I havent worn for a long time. How do I get rid of molds?

yea new plaster ceiling. well the mold is not like 1 big patch of black. just some stains across it and can see the rusted nails patch too.
Yea, how do i do that...i'm still thinking.