Klean Strip® Klean Heat® is the perfect choice to use in place of K-1 kerosene in kerosene-burning appliances such as heaters, lamps and stoves. This premium fuel is safer and more convenient to store than kerosene. It contains less sulfur and aromatics so it has NO kerosene odor before, during and after burning. The clear formula burns clean to extend the life of your wick and limit smoke, soot and emissions. Klean Heat™ is the superior choice for safe and odorless warmth this season. Meets or exceeds all K-1 Kerosene specifications.