Air conditioner capacitors may be purchased from appliance-parts retailers. There are many with web sites.
You could buy a new air conditioner unit at home depot. They offer lots of air conditioner units at great prices and the air conditioner units are built to perform.
Buy a fridge :)
You can buy a special unit for that case.
I always seem to buy the worst air conditioner on the market. Where can I find reviews on the best air conditioner to buy?
To buy ac Freon you need to be certified and to add ac Freon to central air conditioning unit is risky.The air conditioner filters are normally located in return duct grills or in the air handler. Read how to change air conditioner filters.
The best option for installing an air conditioner is to probably go to a local department store and buy an energy efficient window air conditioning unit. You can install those yourself easily.
You can buy an traditional air conditioner, and fix solar panels on the roof,then use solar panels supply the air conditioner.
It is possible to buy an air conditioning duct separately from an air conditioner. A great place to start looking is at www.ductworks.net/This site has a wide variety of air conditioner ducts.
If it is an older unit and the compressor is gone, it is better to replace the unit and your thermostat. You will see improved operation and lower electric costs. Buy a name brand and you will not be sorry.
I don't think you can buy a 4000 volt air conditioner.
One can purchase an inverter air conditioner at Samsung. Also, one can get it from Daikin Industries or one can even go to Sears to buy an inverter air conditioner.
The cost of such an air conditioner varies depending on the brand and time of purchase. Currently, such an air conditioner can be purchased for around $180.