Hello guys i have a question concerning installing a cold air return in the basement.
Cold air return basement humidity.
To truly reduce humidity you need air conditioning or a dehumidifier.
Best location of cold air return in finished basement can a cold air return in the basement be in the ceiling.
Basement cold air return placement basement return damper basements should not have air conditioning register vent no it should.
Heating ventilation and air conditioning or hvac systems.
Adding cold air return in basement adding heat air to a basement do i want returns.
I had a hvac company come to my house and told me the following taught i would share with you all and maybe get some input on the situation.
Negative air pressure in your space.
I m thinking about adding a cold air return near the bottom of the floor and uncovering the vent.
A friend who used to install furnaces told me to cut a return in the cold air return to the furnace near the floor.
It is currently taped shut.
This is how an adequately positioned cold air return vent will help make your basement warmer.
So turn the cold air return 90 degrees through the wall so that it actually draws the air from the room next to the furnace room or from the hallway of the basement.
Negative air pressure is the result of a poorly designed ventilation system.
We have a 1 440 square foot basement under a full two storey home heated with a high efficiency gas furnace.
Air conditioning involves the process of modifying the temperature and humidity of the air to make it more acceptable.
Humidity higher than 60 gives mold a perfect environment in which to grow.
We have four warm air outlets in the basement with no cold air returns.
Even with the vent closed that area of the basement stays pretty cool even in the hottest part of the summer.
I m assuming because cold air sinks and the ceiling isn t insulated.
In a nutshell it means that you are venting too much air from the space.
He said do not put any returns in the basement it is acceptable to open up some supply registry to get some warm air blowing into the basement use a fan to circulate.
Hvac humidity control problem 3.
Hello i am having two new hvac units installed and asked the installer about dehumidifying the basement.
That can happen for example in a restaurant with a powerful kitchen exhaust system.
There is no cold air return.
Likewise with the return air for the heating season we like to have warm air returned to the system so we can re heat it i doubt if you have 2 return vents i d just cover some of the supply vents in the basement until it s comfortable.
When the hot air is coming out of the register from the ceiling all of the hot air will hang out around the middle of the room and up to the.
The installer said instead of adding a whole house dehumidifier he could install an air return vent in each unit in the basement in the.
One other caution is to have the cold air.