Big enough for 900sq ft?

Thank you for your question. The size of space this system will heat and cool is dependent upon several factors including climate zone, number of windows and quality of insulation. For more information on sizing, please reference our Sizing Guide However, for a 900 sq. ft. space you will probably require a 18,000 BTU system. In the warmest continental U.S. climate zones, an 18,000 BTU system will cool 600-900 sq. ft. In the coolest continental U.S. climate zones, it will cool 700-1100 sq. ft. To view our available single zone 18,000 BTU mini split systems, please Click Here. For more assistance, please give us a call.