The Osburn 3500 has been noted as the unit to defense the harsh winter months for a spacious home. This Osburn wood stove is user friendly with non-catalytic technology and significantly reduces your fuel consumption compared to older stoves. Not only can you protect yourself against the cold winter months, but you can feel good about your environmental awareness with emissions under 2.0 g/h and optimum efficiency at 77%.The Osburn 3500 includes a premium blower and is capable of heating up to 2,700 square feet. This wood stove has one of the highest burn times out of all of our stove options at 10 hours and a firebox volume of 3.5 cubic feet. If you are looking for a powerful freestanding wood stove that can keep up with the cold weather, this is the stove you've been looking for.