Convert from fossil-fuel-burning furnace to electric heat pump for heating and cooling 2,000-square-foot home. Remove and dispose of existing furnace. Remove and recycle and dispose of existing metal ductwork from basement, crawlspace, or attic. (Project assumes that no asbestos exists on furnace or existing ductwork.) Remove grilles and patch drywall; touch up paint on ceiling and wall areas to cover over 10 existing supply ducts and two return ducts (existing ducts abandoned inside walls and ceilings). Install new double-pole, 40-amp breaker in service panel. Run new, 230/208V, 1-phase, 60 Hz wire (UF 6/2 with ground) from service panel to disconnect box within line of sight of new heat pump outdoor coil. Install new 60-foot UF-B 6/2 running underground from outdoor unit to disconnect box. Install new 48,000-Btu inverter-type heat pump. Install five line sets (average 70 feet each) and five indoor wall units (two 9,000-Btu units in bedroom, one 6,000-Btu unit in smaller bedroom, and two 12,000-Btu units in main living areas).
