(e) Damages and Injunctive Relief. If there is material noncompliance by the landlord with the rental agreement or with Section 5-12-070, the tenant may obtain injunctive relief, and/or recover damages by claim or defense. This subsection does not preclude the tenant from obtaining other relief to which he may be entitled under this chapter.
(f) Failure to Provide Essential Services. If there is material noncompliance by the landlord with the rental agreement or with Section 5-12-070, either of which constitutes an immediate danger to the health and safety of the tenant or if, contrary to the rental agreement or Section 5-12-070, the landlord fails to supply heat, running water, hot water, electricity, gas or plumbing, the tenant may give written notice to the landlord specifying the material noncompliance or failure. If the landlord has, pursuant to this ordinance or in the rental agreement, informed the tenant of an address at which notices to the landlord are to be received, the tenant shall mail or deliver the written notice required in this section to such address. If the landlord has not informed the tenant of an address at which notices to the landlord are to be received, the written notice required in this section shall be delivered by mail to the last known address of the landlord or by other reasonable means designed in good faith to provide written notice to the landlord. After such notice, the tenant may during the period of the landlord’s noncompliance or failure:
(1) Procure reasonable amounts of heat, running water, hot water, electricity, gas or plumbing service, as the case may be and upon presentation to the landlord of paid receipts deduct their cost from the rent; or