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  #11  
Old 2010-12-07, 03:41 PM
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mc_ottawa mc_ottawa is offline
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I think everybody has that same one including me. But I prefer this one because it tells you the highs and lows for both temperature and humidity. I got mine from Lowes and it's about the same price.

Awesome, I'll have to pick that up.

I got a nice one for the main floor at WalMart of all places that has an exterior unit to measure exterior temperature as well.
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  #12  
Old 2010-12-09, 02:34 PM
robmack robmack is offline
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i set my central humidifer to about 42% last night, house was at 35% according to thermostat and 3 other hygrometers i have scattered throughout the house

i woke up this morning, top floor was at 40%, bottom floor,i had the thermostat and 2 other hygrometers say 38% but the windows had lots of moisture on them at the bottom, so i dialed it back to 36% but this seems so low

any suggestions? i should be aiming for almost no moisture on the windows?
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  #13  
Old 2010-12-09, 03:18 PM
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i set my central humidifer to about 42% last night, house was at 35% according to thermostat and 3 other hygrometers i have scattered throughout the house

i woke up this morning, top floor was at 40%, bottom floor,i had the thermostat and 2 other hygrometers say 38% but the windows had lots of moisture on them at the bottom, so i dialed it back to 36% but this seems so low

any suggestions? i should be aiming for almost no moisture on the windows?
I would like to know as well as I noticed a bit of moisture on my windows as well. Reading this link, http://www.mcleodwindows.com/condensation.php, from another thread on humidity, it says that these are the causes of moisture on the windows.

- Abnormally high humidity
- Lower thermostat setting at night
- Sudden change to colder weather
- Poor air circulation

I'm going to try raising the temperature overnight and seeing what happens. For me, it's set it at 19 degrees overnight and 22 starting at 5:00 am. I'm thinking that sudden change in temperature is causing the moisture. My humidity was about 35% this morning.

Here's the link to the other humidity thread. http://www.buildinghomes.ca/communit...light=humidity
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  #14  
Old 2010-12-09, 04:23 PM
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i have mine set to 22 degrees all the time, still had the condensation, please let me know if you come up with anything
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  #15  
Old 2010-12-09, 08:08 PM
Mark & Lynda Mark & Lynda is offline
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I'm going to try raising the temperature overnight and seeing what happens. For me, it's set it at 19 degrees overnight and 22 starting at 5:00 am. I'm thinking that sudden change in temperature is causing the moisture.
If you have a whole house humidifier attached to the furnace, raising the overnight temp will likely make the window condensation worse, not better. You're asking the furnace to run longer at night which causes the humidifier to run more often and introduce more humidity into the air.

Unfortunately, the only solution when the outdoor temp drops this much is to lower the setting of the humidifier or turn it off for a day.


These are the manufacturers recommended settings vs outdoor temp. You can do the conversion to C.
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  #16  
Old 2010-12-10, 12:03 AM
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If you have a whole house humidifier attached to the furnace, raising the overnight temp will likely make the window condensation worse, not better. You're asking the furnace to run longer at night which causes the humidifier to run more often and introduce more humidity into the air.

Unfortunately, the only solution when the outdoor temp drops this much is to lower the setting of the humidifier or turn it off for a day.


These are the manufacturers recommended settings vs outdoor temp. You can do the conversion to C.
No, I just have one of those portable ones and it is off right now. Should I set my HRV to max?
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  #17  
Old 2010-12-10, 12:23 AM
waikiki waikiki is offline
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I am going to try changing my blinds/curtains so that there's air flow between the top and bottom as seen here. Hopefully I can reduce some of the sweating.


http://oee.nrcan.gc.ca/publications/...on5.cfm?attr=4
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  #18  
Old 2010-12-10, 11:12 AM
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I am going to try changing my blinds/curtains so that there's air flow between the top and bottom as seen here. Hopefully I can reduce some of the sweating.


http://oee.nrcan.gc.ca/publications/...on5.cfm?attr=4
I have four windows with no window coverings and they look just like the other windows. Turning my humidifier off dropped the humidity on my main level to about 28% and upstairs is still about 35%. HRV on max did nothing as well.
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  #19  
Old 2010-12-11, 12:56 AM
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I have two uncover windows that are condensation-free. All the other windows are full of condensation because of the blinds. At night I pull up my blinds an inch so my blinds are dripping wet in the morning. Anyone try rubbing some shaving cream on the window? I heard it prevents condensation, but you have to apply it every week. I'm going to try it on Sunday because next week is going to be freezing cold.
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  #20  
Old 2010-12-11, 01:19 PM
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There was no condensation on my windows this morning. I think the humidity levels have evened out because I'm at about 30% on both floors.
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