The local health official or his designated representative or such other designated official as the City Manager may appoint shall have the power and authority to act as the agent for a landlord in the engaging of a repairman and the ordering of any parts necessary to restore to operating and functioning condition the furnace, boiler or other equipment essential to the proper heating of any residential unit rented by the landlord; provided, however, that:
A.
At least 24 hours have elapsed since the tenant has lodged a complaint with the local health officer, prior to which a bona fide attempt has been made by the tenant to notify the landlord of the failure of the heating equipment;
B.
The landlord has failed to take appropriate action; and
C.
The outside air temperature is less than 55° F.