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Budgeting $1,000 for the unit itself.
What is reasonable for the GC to charge for breaking the wall, installing it, etc. Assume the permits are already taken care of.
Any economies of scale for doing more than one? Could be anywhere from one to four A/C units.
Try Connecticut PTAC. Very easy to deal with, fairly priced and reliable.
Seg, where are you located? If you're in a co-op in Manhattan you may have to get an architect involved in order to do a structural assessment and possible architectural rendering of the final installation. The need for Board approval goes without saying. If your building is land-marked then you have that additional hurdle as well. I know of someone who did this and they had to erect small scaffolding to complete the job. I believe it cost around $4000 per install (not including unit).
The primary question, at least if you live on the third floor or higher, is: do you or don't you have a balcony?
If you do, the worker can stand on it when installing the outside portion of the unit. If not, he has to attach a harness to himself while an assistant stays inside your apartment keeping watch. This will make your costs go sky-high, so shop around if you get a ridiculous quote.
I got it done a few months ago when I had to replace the 12-year-old AC that came with the apartment. Not in NYC but in a place where balconies are so commonplace that well under half of apartments lack them, for only about $500 more than the price of the AC unit. The first few quotes I got were a lot higher than that (~$1000, and they double-counted a lot of stuff to push the number higher), so I was happy to get the price I got. This was for an AC that cools about 200-250 square feet, but installation costs shouldn't scale with the power of the AC unless you're getting more than one unit put in.
Thanks everyone. To answer the questions-
1. Manhattan co-op. Above the 3rd floor, no balcony.
2. Already have an architect engaged who has drawn the "through-wall AC unit detail" as part of the overall specs
3. Already have Board approval
4. Building already has a number of through-walls all across the back-side of the building; will need the approval of LPC but expect this to be a formality so long as we stick with the same style as the others
5. Have had GCs come to see the overall project -- they all said the ACs are the most complicated part of the project.
6. The number of through-wall AC units is based on whether we can live with window-units in certain rooms. Will depend on the cost.
Have been thinking that this will cost in the range of $3,000 -$4,500 per install. But am really just an educated guess based on some comments from the architect. Now wondering if it might make sense to find a sub-contractor for this part of the job, one who specializes in this work and could maybe offer a better price.
definitely give these guys a call.
they did ours -5units $25,000
leelaura: Did you have to pay an architect extra to get plans and get them approved?
I did 2 recently. 4-5,000 range each. Your building probably has approved vendors for this kind of project; I suggest you check with the managing agent. We used Stanley Ruth.
wow , so expensive
Stanley Ruth or Hamilton Air are two solid companies for this. It is still best to go through a GC however. The GC will schedule to meet the HVAC guys, manage exact location points per unit. do the plaster/paint work after install, and clean the area of work.