19/7/2021 · A new heat pump costs $3,800 to $8,200 to install on average, depending on the size, efficiency rating, brand, and type. An air-source heat pump costs $4,000 to $8,000, a geothermal heat pump is $15,000 to $35,000, and a ductless mini-split heat pump runs $1,500 to $3,500 per zone. Get free estimates from heat pump installers near you or view