QUIET AND EASY TO USE The 150 CFM self-modulating convection blower and low-noise components of the Optima PS1 make it quiet and efficient to operate. It pairs a huge 95lb hopper with a large ash drawer for extended burning times, less refueling and less emptying. With five positions of variable heat that control up to 42,000 btu’s and an automatic self-ignition system, the Optima PS1 is the best alternative fuel solution for your home’s heating requirements.   ENVIRONMENTALLY FRIENDLY In addition, the Optima PS1 is one of the cleanest and most efficient pellet burning heaters on the market. The PS1 is the first in the industry to offer a simple and effective heat exchanger that has no tubes to clean. The built in air-wash system helps keep the industry’s largest ceramic glass cleaner longer so you spend less time maintaining it and more time relaxing in front of it.