Some floor materials are naturally colder than others.
Colder on floor or window.
Typical solutions include putting rugs on the floor.
More radical folks change the flooring.
If the second floor of your home stays cold in the winter even when the first floor is toasty it may indicate that your home is improperly insulated or ventilated.
A quick and inexpensive way to make a window refrigerated air conditioner make a room colder.
Tile will be colder than wood or carpet every time.
Some include floor heating in tiles.
Combined with thermal bridging through the floor joists which are almost directly exposed to the cold outside temperatures it will make the floor surface feel cooler than the surrounding floor.
Concrete clay or other masonry does a great job of holding heat even if it s colder than we d like.
Hardwood tile and linoleum floors are colder than carpeted ones because the carpeting provides extra insulation on the floors.