Specifications include, but are not limited to: This federally funded project consists of the replacement of an existing gas furnace with a new electric air source heat pump heating and cooling system at the following two addresses: 1. 4715 E. Cooper Street, Sierra Vista, AZ 85650; 2. 2961 E. Road Runner Hill, Willcox, AZ 85643; 4715 E. Cooper Street, Sierra Vista, AZ 85650 Replace existing gas furnace with an electric heat pump heating and cooling system. Can be a ducted air-source heat pump using existing duct work or a ductless mini split system. If additional electrical upgrade/wiring is required, install upgrade/wiring. 2961 E. Road Runner Hill, Willcox, AZ 85643 Replace existing gas furnace with an electric heat pump heating and cooling system. Can be a ducted air-source heat pump using existing duct work or a ductless mini split system. If additional electric upgrade/wiring is required, install upgrade/wiring.