A typical ducted air-source heat pump, whole home (~3 ton, ~2,000 sq ft) costs $20,000 installed. Most jobs land between $14,000 and $28,000 (variable-speed ducted heat pump outdoor unit and air handler sized ~3 tons, line set, refrigerant, thermostat, condensate, electrical circuit, removal of old equipment, permit, commissioning, using existing usable ductwork. excludes new/replacement ductwork (+~$4,500 average, nescaum) and panel/service upgrade (see panel_upgrade_200a). typical = northeast program invoice data of ~$6,600-$6,900/ton x 3 tons.).
With the biggest rebate on offer here ($2,200), a typical job could cost you as little as $17,800.
Amounts are set by each local administrator and vary by equipment and work. Covers heat pumps (ducted, ductless, PTHP, ground-source), heat pump water heaters, heat pump dryers and related panel/wiring upgrades. Some...
Limited fundsWashington State Department of Commerce (through about...Checked 2026-10-11