kool. cool. It's not how you spell it... It's what you do with it! kool. Party Rentals is the nation's koolest source for event furniture and illuminated dĂŠcor. From lounge seating, lighted tables and bars to lighted centerpieces and dĂŠcor, kool. provides the products that create the scene. Our large rental inventory includes sophisticated, modern furniture and illuminated special event furniture rentals and decor nationwide, all designed with "extraordinary" in mind.