(CTA). CT angiography is a type of medical exam that combines a CT scan with an injection of a contrast media to produce pictures of blood vessels and tissues in a part of your body. The contrast is injected through an intravenous (IV) line started in your arm or hand.
The only time a landlord must replace the carpet is if it somehow affects the health or safety of the tenants, such as if the carpet is moldy, unsanitary or ripped. The law does not govern aesthetics, so even if the carpet is stained or old, as long as it is in fair condition, the landlord does not have to replace it.
However, having said this, if you request a new a/c and sign the necessary papers, the landlord can increase your rent 1/40th (or 1/60th in buildings with more than 35 apartment units, effective Sept. 24, 2011) of the cost of the appliance, which remains part of your rent for the remainder of your tenancy.