Mini-Split Ductless Heat Pumps from Kowalski Heating & Cooling Help you Manage Warm Summers and Cold Winters in McMurray Whether you need comfort boost in one room, or up to four different rooms, Kowalski Heating & Cooling in McMurray has a mini-split heat pump that will meet your requirements. Our mini-split heat pumps from Lennox® deliver suberbly efficient and super quiet performance year after year. Their ductless design erases the possibility of complicated installation problems or expensive modifications later on. And, their efficient, all-in-one heating and cooling system ensures your home stays comfortable season after season. Explore the models we offer. When you need service for your mini-split heat pump or need a new unit, Kowalski Heating & Cooling in McMurray is ready to serve you. Call us at 724-370-0141 or set up 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.