Select all that apply. Consider Energy Star"s Yellow Labels, ENERGYGUIDES. Which of the Efficiency Ratings is correctly linked to an appropriate Appliance Type? Select one or more: a. Air Source Heat Pump ---- SEER & HSPF b. Central DX Unit ---- SEER c. Condensing Boiler ---- AFUE d. Conventional Boiler ---- AFUE e. Condensing Furnace ---- AFUE f. Conventional Furnace ---- AFUE g. Packaged DX Unit ---- EER