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Old 2010-12-05, 07:42 PM
Trepex Trepex is offline
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Default The magic humidity threshold

So it appears that the magic number is somewhere around 40% for indoor humidity with the current conditions in Ottawa? We've had a steady 45% for the last few weeks but the past two days I woke up to a lot of humidity along the bottom edges of all the windows. I lowered the humidifier setting and ran the ERV on MAX for the day to drop it down to 40% and things seem to have cleared-up.
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Old 2010-12-05, 09:56 PM
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Trepex, why do say magic threshold? Curious.
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Old 2010-12-05, 10:17 PM
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Trepex, why do say magic threshold? Curious.
Well I guess I just mean the % as close to my preferred 45% that I can reach given the weather. I find 45% is the most agreeable in terms of comfort, but its obviously too high for winter :\
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Old 2010-12-07, 10:55 AM
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Does anyone get completely different humidity levels in their home?

I am getting 37-40% on the main floor, and 20% in the upstairs hallway. Both units are away from windows/sunlight and sitting in a relatively open space.

Also, I just bought a dehumidifier (as recommended by the builder's PDI rep.) I've had it hooked up in the basement for three days and it hasn't picked up a drop of moisture. Is that normal?
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Old 2010-12-07, 11:12 AM
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I'm about 1 or 2% off between floors. My whole place is sitting at about 35%.

At this time of year, you need the dehumidifier running, just the humidifier.
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Last edited by BrianT; 2010-12-07 at 11:17 AM.
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Old 2010-12-07, 12:44 PM
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I'm about 1 or 2% off between floors. My whole place is sitting at about 35%.

At this time of year, you need the dehumidifier running, just the humidifier.
Hrmm, I wonder why the two floors are so different for me then...I'll need to look into though.

Do you mean at this time of the year, I don't need my dehumidifier running, just the humidifier?

Thanks in advance.
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Old 2010-12-07, 01:09 PM
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Originally Posted by mc_ottawa View Post
Does anyone get completely different humidity levels in their home?

I am getting 37-40% on the main floor, and 20% in the upstairs hallway. Both units are away from windows/sunlight and sitting in a relatively open space.

Also, I just bought a dehumidifier (as recommended by the builder's PDI rep.) I've had it hooked up in the basement for three days and it hasn't picked up a drop of moisture. Is that normal?
suggest you swap the units to make sure both guages are working
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Old 2010-12-07, 02:00 PM
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Hrmm, I wonder why the two floors are so different for me then...I'll need to look into though.

Do you mean at this time of the year, I don't need my dehumidifier running, just the humidifier?

Thanks in advance.
Sorry, yes you don't need the dehumidifier running at this time of year.
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Old 2010-12-07, 02:51 PM
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Awesome, thanks guys,

I'll definitely swap the units to see if it's just a fault one I purchased at HD.
Other than that, and a few minor issues, I'm lovin' the new house so far.
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Old 2010-12-07, 03:27 PM
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Awesome, thanks guys,

I'll definitely swap the units to see if it's just a fault one I purchased at HD.
Other than that, and a few minor issues, I'm lovin' the new house so far.
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.

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