How to keep a second floor warmer.
Colder on floor or window.
Concrete clay or other masonry does a great job of holding heat even if it s colder than we d like.
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.
How to reconfigure a window air conditioner to get colder than 61 deg.
Because your problem is created by a lack of room for warm heated air to circulate between the floor joists we have to find a way to allow that to happen while maintaining a proper level of insulation.
More radical folks change the flooring.
Tile will be colder than wood or carpet every time.
Hardwood tile and linoleum floors are colder than carpeted ones because the carpeting provides extra insulation on the floors.
Some floor materials are naturally colder than others.