We are staying in Sharjah my home Ac is not...

We would like to inform that The Rent Law in the Emirate of Sharjah grants the Tenant the right to request the dissolution of the Lease Contract if the Landlord surrenders the apartment in a situation that is not suitable for it to the benefit such as a shortage of electricity and water services or home Ac, and can submit an application to the Sharjah Dispute Settlement Committee in order to terminate the lease contract and refund the amounts paid:

Here is the text of the Rent Law in the Emirate of Sharjah regarding your inquiry:

If the rented eye and its accessories are delivered to the lessee in a situation where it is not suitable for them to meet the benefit that has been prepared for it or if such benefit is greatly reduced, the lessee may ask the committee to terminate the contract or reduce the rent allowance.