Adjusting Bath Fan Use in Winter

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Do you really need to run it when you shower?

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You may have heard or read somewhere that you should run your bathroom exhaust fan whenever you take a shower and then let it run for a while after you’re done with the shower. Showers increase the humidity in the bathroom. Sometimes it gets high enough to cause condensation to appear on the mirror and other surfaces in the bathroom. And that can result in mold growth.

So you should always run your bath fan when you shower. Or so they say.

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Adjusting Bath Fan Use in Winter

Prime: 
prime

Subtitle: 
Do you really need to run it when you shower?

Images: 

You may have heard or read somewhere that you should run your bathroom exhaust fan whenever you take a shower and then let it run for a while after you’re done with the shower. Showers increase the humidity in the bathroom. Sometimes it gets high enough to cause condensation to appear on the mirror and other surfaces in the bathroom. And that can result in mold growth.

So you should always run your bath fan when you shower. Or so they say.

read more

Ventilating a Home in Cold Weather

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You need fresh air, but bringing in cold outdoor air can cause problems

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When I woke up Saturday morning, the temperature outdoors was -40 degrees. The wind chill was -100 degrees! It was just unbelievably, impossibly, inhumanly cold outside. Fortunately, that was on a mountaintop in New Hampshire and not where I was. I happened to have woken up on a mountaintop in North Carolina, where the temperature was a much warmer -3°F.

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Ventilating a Home in Cold Weather

Prime: 
prime

Subtitle: 
You need fresh air, but bringing in cold outdoor air can cause problems

Images: 

When I woke up Saturday morning, the temperature outdoors was -40 degrees. The wind chill was -100 degrees! It was just unbelievably, impossibly, inhumanly cold outside. Fortunately, that was on a mountaintop in New Hampshire and not where I was. I happened to have woken up on a mountaintop in North Carolina, where the temperature was a much warmer -3°F.

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The Difficulty of Updating Georgia’s Energy Code

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Trying to get airtightness below 7 ach50 has been a struggle

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Seven years ago, Georgia led the nation. Yep. We were the first state to adopt an energy code that made blower door testing mandatory. All new homes built in the state had to show through performance testing that they had an air leakage rate of less than 7 air changes per hour at 50 Pascals of pressure difference (ach50).

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