Return Air Duct Location
Supply air from furnaces and air conditioners should be on outside walls. Application is the largest determining factor when it comes to return air locations.
This is the most debated aspect of the hvac industry.
Return air duct location. The return air duct is often overlooked because its role isn’t as obvious. The return supply duct is a larger vent than the registers in your home, and there are fewer of them. These ducts typically start with vent grates in the wall, on the ceiling, or in the floor.
An air return duct is basically a concealed air passageway in a home or other building that acts as a channel for pumping air out of an enclosed room and into the air conditioning or central heating system. Location of return air duct. The air handler should be located where the shortest duct runs possible are attained.the shorter the duct runs are, the lower the resistance to air flow and the lower the heat gains and heat losses will be.
Here are 5 best places to install one: What's the best location for return air ducts? (3) where any part of a return duct will be exposed to radiation from the heat exchanger or.
A cold duct can be put between the studs in your wall. All things being equal, i would go with the low one as it's less costly to do in this case. From an airflow perspective, the widening of the duct above the filter, and abrupt narrowing after, seems incorrect.
The return vent pulls cold air from the bottom of the room and returns it to the furnace to be reheated and returned as warm air. The purpose of a duct system is to transmit air from the central air source to the air diffusers located in the building control zones. For air distribution systems serving more than one story and having a capacity greater than 15,000 cfm, smoke detectors are also required in the return system at each story prior to any recirculation or fresh.
So, in a nutshell, it recycles air from each room in your home. Transfer grilles shall use 50 square inches (of grille area) to 100 cfm (of supply air) for sizing. He installed the return air vents in the wall cavity ,but they are only 1 inch above the floor.
If the supply ducts are in the floor, then the return air should be located up high. So i always addressed it this way. A return air duct is what carries air back to the furnace after it is dispensed throughout the home through the supply duct.
What is you ,ain continuing concern? The contractors say it's up to me where they will put it. The best way to improve the efficiency of your return air vents is to check your furnace filter.
The attached pictures are of the community return duct and filter box, installed in a new house last august. For heating only applications, a low return duct is ideal to bring back the coldest air otherwise stagnant in the room. I have identified two locations where i could add a return air duct, one is high and one is low.
I feel he put in the minimum return air vents. Warm air travels through a specific set of ducts (called a supply duct), and once cooled down, it travels back to the vents through another set of ducts (called a return duct). If you live in a very cold climate then hearing is your primary need.
The return air vent openings need to be on the opposite side of the room so the conditioned air is pulled across the room. It warms the air and sends it back out to heat the house. The furnace or air handler (ahu in the drawing below) pulls air through the return ducts, conditions that air, and then sends it through the supply ducts back into the house.
A return duct is the part of the system that carries the air back to the furnace or air handler where it will then be circulated back out through the supply vents. Return air ducts usually use ceiling joist spaces as the actual duct, This is true regardless of the supply register location, floor or ceiling.
1300 223 223 locations login 1300 223 223 Without a return air duct, the air would not properly circulate and your energy costs would rise. Check building codes to see if external insulation is required.
The furnace is connected to the air plenum at the starting point. Unlike supply vents, return vents do not need to be cased in metal. Nfpa 90a requires duct smoke detectors to be located in the supply duct downstream of air filters and ahead of any branch connections.
That’s right, your heating and air system is nothing more than a big circulation unit. Furnace filters should be changed every 6 months anyway. Aad is a wholesale supplier of hvac parts and components in melbourne & sydney, including high quality return air box products.
Should i go high or low, and why? Without the return duct, the air in the home would not be able to properly circulate. The existing duct is high on the wall, as are all the supply ducts.
A mismatch in return air inlet grille or duct size will reduce the system's effectiveness. Figure below shows a central heating furnace connected to supply and return air ductwork. They can be placed into staircase cavities, stacked closets that run one on top of the other, or in stud cavities in the wall.
I am adding a return air duct. However in one location there is a heat duct within 5 feet of the return air vent both at the floor. The supply registers in your home are easy to locate because you’ll notice the warm or cool air blowing from them when the system runs.
A cold air return duct works like a vent to bring colder air to heaters. 3 ways ac return air vents benefit your home 1. He claims that this method pulls the heat down from the ceiling and warms the room.
If the filter is too old, it is probably reducing the efficiency of your return vents, and you should change it. Ideally, it's a closed system with as little duct leakage as possible, and the air that it's conditioning comes from inside the house. Specifically, the manufacturer of the filter box specifies a maximum angle of 20 degrees downstream of the filter.
Placing the supply registers in the floor is most e. The filter box is 20x25, and i use 5 merv 16 filters.
