Mini-Split Ductless Heat Pumps from Herman Allen Plumbing, Heating & Cooling Help you Manage Warm Summers and Cold Winters in Greater Richmond Whether you are looking for comfort boost in one room, or up to four different rooms, Herman Allen Plumbing, Heating & Cooling in Greater Richmond has a mini-split heat pump to meet your needs. Our mini-split heat pumps from Lennox® provide highly efficient and very quiet performance for many years. Their ductless design erases the possibility of confusing installation problems or expensive modifications later on. What’s more, their efficient, all-in-one heating and cooling system keeps your home comfortable year round. Discover more benefits of out mini-split system heat pumps. If you’re looking for service for your mini-split heat pump or need a new unit, Herman Allen Plumbing, Heating & Cooling in Greater Richmond is ready to serve you. Call us at 804-302-6657 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.