Energy Efficiency Tax Incentives Act - Amends the Internal Revenue Code to: (1) extend through 2016, and increase the maximum rate of, the tax deduction for energy-efficient commercial building expenditures; (2) allow a new tax deduction for the cost of retrofitting existing commercial and multifamily buildings; (3) allow a new tax credit, through 2016, for home energy efficiency improvements that increase energy efficiency by at least 20%; (4) extend through 2018 the tax credit for combined heat and power system property expenditures and increase the capacity limitations and credit percentages for systems with a higher efficiency rating; (5) allow an energy tax credit for investment in biomass heating property and for waste heat to power property (i.e., a system which generates electricity through the recovery of a qualified waste heat resource and is placed in service before January 1, 2019); (6) allow a new business-related tax credit for efficient advanced motor systems with adjustable speed capability; (7) allow a new business-related tax credit for replacement of large water-cooled refrigerant chillers that use environmentally harmful refrigerants; and (8) allow a new tax credit for expenditures to increase water use efficiency in the manufacturing sector.