may be used only for costs of acquiring and installing air conditioners or heat pumps that meet such standards as the Secretary shall establish regarding cooling capacity, safety, reliability, and energy efficiency and that serves public housing dwelling units that were constructed before the date of the enactment of this Act. (c) Application The Secretary shall provide for public housing agencies to apply for grants under the program under this section. (d) Selection The Secretary shall select applicant agencies to receive grants under the program under this section based on a competition, in accordance with such criteria as the Secretary shall establish, which shall provide preference for selection for grants for— (1) public housing agencies that serve communities with limited access to cooling centers