Browse Forums General Discussion 1 May 16, 2011 11:28 am Have read a little bit about the topic and the only real solutions seems to be to leave a window open at night, is this true? Our scenario, Double storey brick veneer house at the foot hills of the Dandenongs, Vic. We sleep (that is me, the wife and two dogs) on the second floor, which doesn't have the ducted heating (where as the rest of the house does), only a split system. When we wake up in the morning the floor to ceiling window is dripping in condensation. Just trying to think of the best way to solve this problem, maybe installing a panel heater would help ? Thx Matt. Re: condensation on master bedroom windows 2May 16, 2011 11:51 am Basically ventilation is the key to removing moisture. The window is the coldest place in the room so the condensation gathers there. Heat alone won't stop the condensation on the windows. You could get double glazed windows but the moisture would just condense somewhere else. The Harder You Try - the Luckier You Get ! Web site http://www.anewhouse.com.au Informative, Amusing, and Opinionated Blog - Over 600 posts on all aspects of building a new house. Re: condensation on master bedroom windows 3May 17, 2011 9:01 am bashworth Basically ventilation is the key to removing moisture. The window is the coldest place in the room so the condensation gathers there. Heat alone won't stop the condensation on the windows. You could get double glazed windows but the moisture would just condense somewhere else. That is true if there are no gaps around the rim of the windows otherwise have to apply weather seals and double glaze with Maganetite type of double glazing or more expensive solution replace the window with a double glazed one. Otherwise try a dehumidifier appliance like De Longhi or Omega. Re: condensation on master bedroom windows 4May 17, 2011 9:09 am grinder bashworth Basically ventilation is the key to removing moisture. The window is the coldest place in the room so the condensation gathers there. Heat alone won't stop the condensation on the windows. You could get double glazed windows but the moisture would just condense somewhere else. That is true if there are no gaps around the rim of the windows otherwise have to apply weather seals and double glaze with Maganetite type of double glazing or more expensive solution replace the window with a double glazed one. Otherwise try a dehumidifier appliance like De Longhi or Omega. Thx. Leaving the window open at night seems to solve the problem, but has the other problem of the wife not being happy. Might try the dehumidifier appliance. Re: condensation on master bedroom windows 5May 17, 2011 12:50 pm By opening the window, you are reducing the temperature in the room, therefore the windows are not as cold, relative to the room temperature, as they previously were. The dehumidifier sounds effective, but expensive to run. Retroffiting double glazing sounds expensive. Leaving the window open sounds uncomfortable. What about just letting it happen and cleaning the windows on weekends (during winter). This way mould won't get a foothold. Or a heater below the window. This will warm up the window and the room. Demolition August 2009, Construction Started September 2009, Completed December 2010 Re: condensation on master bedroom windows 6May 17, 2011 1:10 pm Casa2 What about just letting it happen and cleaning the windows on weekends (during winter). This way mould won't get a foothold. Can't, timber framed windows. Re: condensation on master bedroom windows 7May 18, 2011 10:43 pm Casa2 By opening the window, you are reducing the temperature in the room, therefore the windows are not as cold, relative to the room temperature, as they previously were. The dehumidifier sounds effective, but expensive to run. Retroffiting double glazing sounds expensive. Leaving the window open sounds uncomfortable. What about just letting it happen and cleaning the windows on weekends (during winter). This way mould won't get a foothold. Or a heater below the window. This will warm up the window and the room. Not that expensive to run about 200 to 360 Watts/hour so it means $0.20 after 3 or 4 hours running depending on the model much less than a heater can use for instance a ceramic heater would have a consumption of 1000 to 2000 Watts/hour. . Considering that we are not in tropical area once you run the dehumidifier for 3 to 4 hours initially then you only run it for half that time depending on the relative humidity levels. In Vic most days ranges about 60% which is not great. I do wipe the windows clean and then run the appliance it is great to feel the bedsheets dry and less cold and damp that otherwise would be. . Re: condensation on master bedroom windows 8May 19, 2011 8:21 am We were in an apartment prior to selling and would always keep our windows open a little, mainly for fresh air and for the cats. So every morning walking through the middle path we noticed all the windows were so wet inside. Most people wiped them down in the morning but we never had to. It is colder but if you can manage it is better. Would a curtain in front of window gap stop the cold air enough for DW? My DH was in NZ army Near the mountain and would keep his window open, I understand I feel the cold! Hope something helps!!! Re: condensation on master bedroom windows 9May 20, 2011 7:50 pm We got rollashutters on the south for that very reason. Maybe you dont even need something that solid cos anybody else notice the condensation isnt so bad on the side with the flyscreen? 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