Why don't windows open inwards?

take up room inside and push curtains back , doors ,, well if opening out would knock anyone waiting outside ,, imagine knock at the door ,, open it . bang.. caller on their knees .

Likely it is a matter of convention now. Windows that open inwards may strike objects inside a room. House doors can open inwards because people must pass through and there should be nothing blocking the doorway. Storm doors usually open outwards because both doors cannot open the same way if on different sides of the sill. Doors on stores usually must open outward as a safety precaution so that people do not pile up against a closed door during a fire and panic. In fact many commercial doors have panic bars that open the door outward if people do pile up. The cold water faucet is almost always on the right by convention, likely because that was the most convenient location for the right-handed majority when there was only cold water plumbing. Convention often rules.

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RE:

Why don't windows open inwards?

Front doors and back doors both open inwards, but windows open outwards. Why not inwards?

If windows opened inwards, don't you think it'd be a little easier for people to break in to your house? Plus, inward-opening windows would divert any air blown inside in a particular direction, meaning that you would not be able to quickly refresh a room using an inward opening window.

If windows opened inward, then they would take up valuable interior space that could have been used for something else. Also, by opening outward, they can form a natural canopy to help keep rain out. If they opened inward, then any breeze would be able to deposit rain inside.

Most doors open into rooms for liability reasons -- it is more likely that someone exiting a room will hit a bystander when the door swings outward than a person inside the room would get hit by someone entering the room when the door swings inward. (There's little reason for a person inside the room to stand by the door whereas it is not unreasonable for someone outside the room/building to be standing next to the door.)

As it happens, some of my windows can be opened either inwards or outwards, and so can the back door. This isn't unusual in Germany.

1. an inward opening window would not channel air into the house as there is nothing to prevent the air from going straight past

2. it wouls be easier to break because of where the hinge would have to be

3. a person colud walk in to it while inside

4. its traditional

If windows opened inwards the window cill would always need to be kept clear serving no purpose as a ledge. Security may also be another issue.

Windows open outwards or inwards: it is more a question of tradition and, in some cases, of local legislation.

In most of mainland Europe windows open inwards. They are easier to clean and allow for the use of external shutters and blinds which are better for security and for light exclusion. I grew up in the UK but would now find it difficult to go back to windows which open outwards as well as separate hot and cold taps (which I know are also seen as old fashioned now in the UK but you do sometimes see them being installed in new buildings)

Mine open inwards, mum and dads open outwards and sash windows go up and down - it all depends on the design,