Cold Air Return Size Basement
Cold air return sizing question i have a question regarding the size of the cold return in my home.
Cold air return size basement. By putting the cold air return on the floor it will vacuum up the cold air on the floor and draw down the warm air from the ceiling. Velocity classification of ventilation ducts recommended. A friend who used to install furnaces told me to cut a return in the cold air return to the furnace near the floor. We have four warm air outlets in the basement with no cold air returns.
Another thing he mentioned that i would like to discussed was that the only way i can have a cold air return in the basement was if i put a 5 dia insulated flex duct from the outside fresh air intake and bring it into the basement and loop it up like a u this way fresh air is introduced will balance out the pressures and the cold air return can circulate fresh air through out the house. There usually are fewer return vents but they are much larger. It has a 16 x24 filter being fed by the vertical 8 x24 section which is fed by another 8 x24 section that is pulling air from throughout the house. It will prevent mold and solve why your basement is cold all the.
We have a 1 440 square foot basement under a full two storey home heated with a high efficiency gas furnace. This is how an adequately positioned cold air return vent will help make your basement warmer. A typical supply vent is 4 by 10 to 12 inches and a typical return vent is 16 by 20 inches or larger. This video alone solve many common issues with basements.
Houses often have two or more return collecting points each with a filter which join before re entering the heating unit. See the attached picture of the cold air return serving the furnace. Ventilation systems for ventilation and air handling air change rates ducts and pressure drops charts and diagrams and more. 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.
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.