The Mister The Mister IS NOT Mistbox. This is the version without wifi or solar technology. The Mister utilizes specially designed cooling nozzles that maximize cooling of the air while minimizing water usage. Pair that with an on-board micro-processor that knows when its beneficial for The Mister to run and you have a fine tuned, environmentally conscious system that can cut up to 30% of cooling related energy usage. The Mister-Lower Your Cooling Costs In Just 15 Minutes! Save up to 30% on your A/C bills each month Additionally, this added efficiency decreases the workload on your unit. Couple that with the built in cleaning function of The Misters scale sequestering filter and you can dramatically add to the effective lifetime of your AC system.