List of pertinent information about the 'heated and cooled seat kit': 1. Katzkin offers a heating and cooling seat kit called Degreez. 2. The kit provides 3 levels of heat and 3 levels of air conditioned comfort. 3. The kit brings air from underneath the seat into the seat foam and seating surface. 4. The kit can be applied to most vehicles with perforated leather upholstery. 5. Katzkin also offers OEM quality seating temperature control systems for premium leather interiors. 6. Katzkin offers a heat only system with high and low levels of warmth. 7. They also offer a heating and cooling system with 3 levels of heat and 3 levels of air conditioned comfort. 8. The Degreez heating and cooling system can only be installed on a Katzkin perforated leather interior. 9. Katzkin can install heated and cooled seats on various vehicles including trucks, SUVs, sports cars, and sedans. 10. They have installation shops in major metropolitan areas as well as smaller areas. 11. The aftermarket heated and ventilated seats are installed under the original upholstery. 12. The kits come with new switches for a factory-fresh appearance. 13. The kits are durable, water-resistant, and hidden from visibility. 14. Katzkin provides expert installation and guarantees the functionality of the seat systems. 15. Customers have given excellent reviews for their aftermarket heated and cooled seats.