Mini-Split Ductless Heat Pumps from Quality Refrigeration Services Help you Manage Warm Summers and Cold Winters in Baltimore Whether you want comfort boost in one room, or up to four different rooms, Quality Refrigeration Services in Baltimore has a mini-split heat pump to accommodate your needs. Our mini-split heat pumps from Lennox® deliver highly efficient and very quiet performance season after season. Their ductless design eliminates the possibility of complicated installation problems or expensive modifications in the future. What’s more, their efficient, all-in-one heating and cooling system keeps your home comfortable year round. Explore the models we offer. Whether you want service for your mini-split heat pump or need a new unit, Quality Refrigeration Services in Baltimore is ready to serve you. Call us at 410-690-4244 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.