We live in the San Bernardino Mtns at 5,000 ft in a 2300 sq. ft. 2 story home. The lower level is 1400 sq. ft and the upper is 900, the home is a open concept floor plan. We are looking at this unit for our primary heat source during winter months, temp. low is in the high 20's F. We love the aesthetic of the unit, but will it meet our needs. Any comments and advice are welcome and thank you for your time!