2nd Floor Is Always Humid

In winter no matter how much humidity the first floor units pump out i can t get above 27 28 while i can get to 35 40 upstairs.
2nd floor is always humid. My first floor is about 45 48 and second floor tends to be about 55 to 62. Humidity also makes your home the perfect host to mold and bugs which contain a ton of health concerns on their own. However if the relative humidity is greater than 5 then. The second floor is about 1100 sq ft and they installed a 2 5 ton a c i recognize a full load calculation is required for any real support.
High humidity can cause extreme discomforts such as musty smells clammy air reducing the body s ability to expel heat making it feel much hotter than it really is difficulty breathing or exercising etc. About half of the 2nd floor is kneewalled and insulation on the ceiling clips can be sparse which i was told also supported adding the second system. Block the sun close blinds and shades to block light and uv rays. To cut the long story short the humidity level in a 2 story building is dependent on your activities that increases the temperature in the house.
Over time the portions of the floor that have been sucked down will try to go back to a flat and level position. Sometimes you may not even have the right amount of ductwork to properly cool your second floor. Install a damp proof course. The first floor feels great on the old a c system.
First floor does have 10 foot ceilings vs. Assume proper tonnage of ac etc. Indoor air that s warm and moist humid is less dense than dry air which makes it rise. Be sure to seal all cracks holes and gaps around windows to prevent air leaks.
So here s a good rule of thumb. Floor joist tops not level. If the tops of the floor joist are not flat and level then the sheets of plywood or sub flooring will not be fully supported evenly. Check there s enough room under the floorboards for moisture to evaporate from the soil below and pass out through sub floor wall vents.
This is because the temperature on the first floor has dropped to 18 19 c and that of the second floor has dropped to about 17 18 c. 7 ways to cool down your second floor. 2nd floor at the normal 8. This job is best left to the.
Well it s actually normal to a certain degree. If humidity is the chief agent behind your second floor not being cool enough you should look into purchasing a dehumidifier. If your second floor s relative humidity is 1 5 greater than your bottom floor that s normal. These appliances draw excess moisture out of a room and collect it into a bucket for disposal or routed into a drain.