KwiKool classifies its 57 products into 6 different series.: Iceberg Series – used for more precise matching of capacity to heat load, such as for server rooms KPAC II Series – used for comfort cooling Bio Series – HEPA Filtered stainless steel 1.1-ton portable A.C., . KPHP Heat Pump Series – used both for comfort heating and cooling . KPO Indoor/Outdoor Series – used for high static temporary cooling or heating applications. Kool Breeze Fans