Coleman does indeed make and sell a portable air conditioner. They are sold at departments stores, such as Sears, as well as many online retailers such as Amazon.
No, you can not put ice into a portable air conditioner. I think you are actually referring to a portable air cooler, in which case, you can put ice into the water chamber.
You can move your window air conditioner anywhere you want to put it as long as it sits in the window.
Water dripping on the front of a portable air conditioner could mean that the air filter needs to be changed. Your evaporator coil may also be dirty.
If you don't have central air conditioning, you can purchase a portable air conditioner (not a fan) to do the job.
Coleman
You probably have mold on the evaporator coil.
Portable Air Conditioners can come with one hose or two hoses. A two hose(Dual Hose) unit is a little more costly, but more efficient than a single hose. Please see our webpage for more info: http://www.bestportableairconditionerratings.com/what-to-look-for-when-buying-a-portable-air-conditioner/
Portable air conditioners come with a vent hose that can be placed in a nearby window or vented through a hole in the wall like your clothes dryer.
its called an inverter
You will need a portable air conditioner that offers 24,000 - 25,500 BTUs to cool a room of about 1500 cubic feet. This is a large sized room and a 2.5 ton unit would cool that area.
Goodman
You have to get it recharged. you have no freeon left which makes the cold air