Mini-Split Ductless Heat Pumps from WM J Kraus & Son Help you Manage Warm Summers and Cold Winters in Lee County Whether you are looking for boost in home comfort in one room, or up to four different rooms, WM J Kraus & Son in Keokuk has a mini-split heat pump that will meet your requirements. Our mini-split heat pumps from Lennox® provide very efficient and supremely quiet performance year after year. Their ductless design eliminates the possibility of difficult installation problems or high-priced modifications down the road. Plus, their efficient, all-in-one heating and cooling system keeps your home comfortable season after season. Explore the models we offer. When you’re looking for service for your mini-split heat pump or need a new unit, WM J Kraus & Son in Keokuk is ready to serve you. Call us at 319-229-2318 or make an appointment with us using our online scheduler. * SEER, or Seasonal Energy Efficiency Ratio, measures the cooling efficiency of your air conditioner or heat pump. A higher SEER rating means greater energy efficiency and more savings for you and the environment. ** HSPF, or Heating Seasonal Performance Factor, measures the heating efficiency of your heat pump. A higher HSPF rating means greater energy efficiency, more savings and is better for the environment.