Hello AT,
My AC units are currently installed in the bottom of my windows. I've
heard it's possible to install units at the top of the window instead. I'd love to do this and say goodbye to cold air blowing directly on me and hello to unobstructed views...
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Anyone out there have guidance about making this transition safely (I surely don't want my units falling out of windows)? I'd really like to find someone to hire to do the installations for me. A friend also
mentioned there might be some regulations about this of which I need to be aware.
FYI: my windows have metal frames.
Thanks for your help, Dawn
Dear Dawn,
While we haven't done it personally, we've had many clients and friends who have. Most of them have hired help, but you can totally do it yourself if you are handy and have help with the lifting, etc.
The main thing is that the unit has to be attached to your window frames (screws), which is a little trickier with metal frames, but definitely doable. Metal screws will go into metal.
Also the window below has to be propped to stay snug up against the machine. It can be screwed into place itself or propped from the outside.
If you call an AC installer, we estimate that the cost would be around $200.
The thing we DON'T have any idea about is the regulations for your building. Does anyone know the rules around this?

Shaw's Original Fir...
We pay our super $50 to install ours each year--we've known him forever and he won't accept more; the going rate might be higher elsewhere--and I like going through him because if you have someone in management do it, you won't have to worry about regulations being violated!
dumb question, but are you going to be able to reach the controls? you might think about having a separate on/off switch installed down low... then you only need to stand on a chair once in a while to adjust the settings.
and make sure the wire is long enough to reach the outlet – if it isn't, i'm pretty sure you can't just use any old extension cord.
This is an interesting question, and one I will definitely be following. But one aesthetic thing to keep in mind: If you use venetian blinds or other pull down shading, you will have to consider this factor is you want to stay cool AND maintain your privacy!!! One solution would be to install a pull down shade at the bottom level of the ac unit so window is covered and the vents are free to send out the desired cooling breezes!
If you are going to install a shade and there is another adjacent window, keep in mind that things might look better if both shades can be installed at the same level and the AC is left at the bottom.
Otherwise, go for it. One thing that hasn't been mentioned is that some installers screw an aluminum angle bar across the window frame to support the AC, so the window panes can still be moved for cleaning/opening.
if you install at top of the window there is a chance you will block light comming in that window.
if you install at top of the window there is a chance you will kill someone walking below.
I know structurally, this can be a safe and aestetic option, but personally I would be MORTIFIED having it done. Could you imagine someone minding their business and walking the dog and an SC unit falling down onto them, instantly killing them? Good heavens to Jehovah!!
For those concerned with reaching the controls, there are plenty of remote controlled units out there.
I never knew you could do this? I would also be concerned about safety. I have 3 ACs in my apt. and each summer they go up and are removed for the fall/winter mths. I live on the top floor of my apt. building and I have a fire escape in the living room where my AC is installed. I hate the way it looks and love the way this idea sounds but don't understand how screws and the window frame can support such a big appliance? My ACs have remotes but I agree with a comment above you still have to reach an outlet or have extension cords running down your window. Last year I was going to purchase one of those windowless, portable ACs but after doing some research found they are quite expensive and don't actually work well. I went to check em out and they are huge and take up space so if you live in a small apt. I don't think this is the way to go.
If you decide to do it yourself (which I would advise against), make sure you have two people help you- two of you to balance the unit while the third attaches it. It may seem like two people can handle it just fine, but rather safe than sorry. Good luck!
I am pretty sure it is now ilegal to install AC units at the top of a double-hung window. There is a new law in NYC that you must have support brackets on the bottom of your window AC unit if it extends more than 10" from the exterior window pane. It is impossible to install brackets on a top-mounted unit. If you live on the Upper West side, RCI appliances on 100th St and Boradway will install an AC for $95 plus $30 for brackets if required. They are insured. Always check that your personal insurance or landlord/coop insurance will cover an accident before having your Super do this work.
TIP: In general, it is alot easier and safer to buy a 'casement' AC as you can slide the casement into place first and then the AC mechanicals second - rather than dangling and installing the whole thing when you install it.
Here's a good discussion of how to properly install a window ac, with some reference to laws in NYC
http://www.randpc.com/AskTheEngineer/genAsktheEngineerWindowAC.asp
What is interesting is that there seems to be no discussion of installing it on the top of the window...
My last AC was installed with plexiglass around the frame, which really increased the light that came in. It doesn't solve the problem of wind in your face, of course. I think the installation cost around 150 - 200 bucks.
A related issue. Has anyone ever used a freestanding airconditioner. I've seen them advertised and they don't have to be installed in the window.
mmm, thanks for all the good feedback. it's amazing how many responses this got.
I definitely don't want my units falling out and killing a passerby! currently, the only thing holding 2 of my units in place are the closed windows. I KNOW that's terrible, but I'm super unhandy and it was super hot. I'm trying to get this done the right way now.
brooklyn_kate, who did you hire to install your unit(s)? I also live in Brooklyn.
the heaviest of my ACs does have the casement. I'm replacing one of the others and will look for another one with this feature. and, yes, they have remotes (quite the handy feature).
I'm really hoping to find someone to do this for me (legally and safely, of course). the unit in the picture sits directly in front of my dining table, which is not so nice for a comfortable dining experience.