PROPERTY OWNERS AND MANAGERS SURVEY
                      MULTI FAMILY PROPERTIES:  HEATING EQUIPMENT
                                      TABLE 10
    
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    !                     !          !          TYPE OF MULTI FAMILY PROPERTY                   !
    !                     !          !__________________________________________________________!
    !                     !  TOTAL   !         !        !        !         !          ! 50 OR   !
    !                     ! UNITED   !         ! 3 TO 4 ! 5 TO 9 ! 10 TO 19! 20 TO 49 ! MORE    !
    !                     ! STATES   ! 2 UNITS ! UNITS  ! UNITS  !  UNITS  !  UNITS   ! UNITS   !
    !___________________________________________________________________________________________!
    !TOTAL UNITED STATES  ! 20584822 ! 3084750 !2471070 !1894445 ! 1467786 !  2223786 ! 9442986 !
    !___________________________________________________________________________________________!
    !HEATING EQUIPMENT    !          !         !        !        !         !          !         !
    !_____________________!          !         !        !        !         !          !         !
    !CENTRAL WARM-AIR     !  8725905 ! 1357739 ! 812887 ! 566603 !  467861 !   690696 ! 4830119 !
    !FURNACE              !          !         !        !        !         !          !         !
    !___________________________________________________________________________________________!
    !STEAM OR HOT WATER   !  5372326 !  784791 ! 756259 ! 560412 !  406073 !   747359 ! 2117432 !
    !SYSTEM               !          !         !        !        !         !          !         !
    !___________________________________________________________________________________________!
    !ELECTRIC HEAT PUMP   !   995667 !   57934 !  96631 !  49274 !   32043 !    77280 !  682505 !
    !___________________________________________________________________________________________!
    !OTHER BUILT-IN       !  2408567 !  138930 ! 203004 ! 215155 !  216707 !   402295 ! 1232476 !
    !ELECTRIC UNITS       !          !         !        !        !         !          !         !
    !___________________________________________________________________________________________!
    !OTHER BUILT-IN       !  1080088 !  141856 ! 218945 ! 171874 !  159197 !   158578 !  229638 !
    !HEATER WITHOUT DUCTS !          !         !        !        !         !          !         !
    !___________________________________________________________________________________________!
    !ROOM HEATERS VENTED  !   661207 !  134055 ! 148695 ! 134596 !   61045 !    63592 !  119224 !
    !TO THE OUTSIDE       !          !         !        !        !         !          !         !
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    !ROOM HEATERS UNVENTED!   152525 !   71951 !  29008 !  23538 !    3714 !    13032 !   11282 !
    !TO THE OUTSIDE       !          !         !        !        !         !          !         !
    !___________________________________________________________________________________________!
    !PORTABLE ELECTRIC    !    35864 !   10190 !  11220 !   2853 !    2817 !     8784 !       0 !
    !ROOM HEATERS         !          !         !        !        !         !          !         !
    !___________________________________________________________________________________________!
    !STOVE(S)             !    47659 !   16336 !  19033 !  12290 !       0 !        0 !       0 !
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    !FIREPLACE(S) WITH    !        0 !       0 !      0 !      0 !       0 !        0 !       0 !
    !INSERTS              !          !         !        !        !         !          !         !
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    !FIREPLACE(S) WITHOUT !        0 !       0 !      0 !      0 !       0 !        0 !       0 !
    !INSERTS              !          !         !        !        !         !          !         !
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    !OTHER                !   266924 !   32534 !  34537 !  39035 !   20482 !    21129 !  119207 !
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    !NONE                 !   104844 !   10557 !  19521 !   8748 !   31727 !     6075 !   28216 !
    !___________________________________________________________________________________________!
    !NOT REPORTED         !   733249 !  327877 ! 121330 ! 110067 !   66121 !    34966 !   72888 !
    !___________________________________________________________________________________________!