As of March 2015, Kul air conditioners can be purchased at Bed Bath and Beyond and Amazon. The 5,000-BTU window model costs around $130 and cools up to 200 square feet, while the larger 12,000-BTU floor unit costs around $400.
At Bed Bath and Beyond, customers can choose between 5,000-, 6,000-, 8,000- and 10,000-BTU Kul window units. All models have earned Energy Star certification and include a reusable air filter that customers can remove for cleaning.
The 12,000-BTU Kul unit offered by Amazon includes a remote control, and it has no tank to empty. The air conditioner has been engineered for quiet operation.