Air Conditioning Vents In Floor Or Ceiling

They all use ceiling vents.

Air conditioning vents in floor or ceiling.

Homeowners can also combine the two types to generate the best efficiencies. In such cases the amount of outside air being brought in has to be conditioned and delivered not just at the ceiling but to the breathing zone. Cons of ceiling vents. If you think back to the times you ve been in various homes and noticed the vents on the walls you re more likely to remember vents on the ceiling as a more common occurrence than vents placed low near the floor.

In this setup the air is pulled back into the system by way of a large return air vent placed low on a central wall in the home. Efficient distribution of cooled air since cold are falls there is less heat transfer loss when conditioned air comes out of ceiling vents. For example owners of multiple story homes might use a combination of floor ducts for heating and ceiling ducts for cooling. Near an interior wall is another common location.

The problem comes when you use both heating and air conditioning. My furnace guy tells me that here in oklahoma floor vents are no longer allowed in new homes. In a heating climate the return duct goes near the floor to draw off the cold air and heat it up. Unfortunately several of these vents are rusting underground.

Cool air entering through ceiling ducts quickly descends to the lower portion of the room where people are located. Comfort control is more immediate and continuous. Inefficient air distribution for heating if the unit is. In an air conditioning climate the return duct goes near the ceiling to draw off the hot air and cool it down.

Vents cut into floors lack the size needed for modern airflow requirements as well. Cool air supplied through floor ducts conversely tends to settle near the floor until airflow volume fills the entirely space sufficiently to lower the temperature. The physics reverse when it comes to air conditioning. Because cool air naturally sinks ceiling ducts are preferable where air conditioning takes precedence.

As part of an hvac heating ventilation air conditioning system both floor and ceiling ducts deliver warm cool or just moving air. Depending on the location of your air handler if you want floor registers you might also need to build a duct chase under the floor which will increase the cost and complexity of installation. Doesn t take up walls or floor space so you don t have to give up a closet or rip up the floor to add vents. One thing can be said with some degree of certainty especially when it comes to the design of homes in our region of the us ceiling vents tend to be more common than floor vents.

Floor registers are typically placed under windows to let the warm air they deliver mix with the cool air coming from the windows.