For heating vents in the floor would be better.
Floor vs ceiling vents.
The ideal register placement for each room depends on a variety of factors including energy efficiency ease and cost of installation appearance and of course comfort.
Ceiling ducts don t hog existing or potential closet wall or ceiling space making an interesting or worse unsightly decoration and ceiling vents don t present the decorative dilemma floor vents often due forcing furniture to strange locations to prevent blockages in airflow.
Unfortunately several of these vents are rusting underground.
Taking into consideration the cubic feet per minute of air needed for the room to maintain a comfortable temperature and the throw or coverage of the area.
How air registers work.
The placement of your return is.
If theyre in the floor youll want your return in the ceiling.
Heat entering through ceiling ducts however naturally tends to accumulate at the ceiling warming the room from top to bottom more slowly than floor ducts.
They can be camouflaged with decorative vent covers that match carpeting tile or hardwood flooring.
My furnace guy tells me that here in oklahoma floor vents are no longer allowed in new homes.
You can find floor registers in a variety of materials styles and finishes so you can incorporate them as a decorative element that also blends.
Ceiling ducts cannot be used with radiant heating systems which generate heat from the floors.
As for pros and cons of either.
They all use ceiling vents.
These principles should also be applied when locating return vents the vents that pull air from the room to supply your hvac system.
Is there even a difference between hvac supply registers grilles in the floor or the ceiling.
For cooling ceiling would be better.
Ceiling ducts are more visible than floor ducts and harder to camouflage.
This isnt the main concern however.
Floor heat ducts are not as visible as ceiling ducts.
This disperses warmth evenly throughout the room from floor to ceiling.
If the registers are in the ceiling you will want your return low.
According to the natural laws of convection heated air entering through floor ducts rises.
Either type of register ceiling or floor can be used for this as long as the need for the area.
For homes where heating is a primary concern floor collection is advisable to pull from.
Floor ducts for heating.
Typically a rolling guide or a lever on one side of the vent the damper opens or closes access to the air duct for airflow management.
As a general rule ceiling mounted vents offer better cooling potential while floor vents offer superior heat delivery.