The Regency Cascades F2500 medium hybrid wood burning freestanding stove, featuring Eco-Boost triple burn technology, is one of our most efficient and eco-friendly wood stoves yet. This catalytic stove offers an increase in burn-times, and most importantly dramatically reduces emissions to an astonishing 1.0 gram/hour. The Regency Cascades F2500 is backed by the industry’s best warranty on both the stove and catalytic combustor.