To determine, after a hearing, whether an existing rental charge with a substantial decrease in major services or a proposed increase in a rental charge for any housing accommodation is so excessive as to be harsh and unconscionable pursuant to the provisions of section 9-40.
(7)
To order a reduction of any excessive rent to an amount the commission considers fair and equitable. In its discretion the commission may make the order retroactive to the effective date requested by the landlord, however, the commission shall not have the power to waive any rent which has become due prior to the filing date of the complaint. Such order shall be in effect for a period for one year from its effective date, except as provided under subsection (9) of this section or if the commission shall, pursuant to a subsequent petition by the landlord or tenant, which may be made by the landlord or tenant at any time, order that the rent be changed.
(8)
To continue, review, amend, terminate or suspend all its orders and decisions.
(9)
To take action as follows upon noncompliance.
a.
If the commission determines after a hearing that a housing accommodation fails to comply with any state or town statute or regulation relating to health and safety, the commission may order the tenant to pay the fair and equitable rent, as determined by the commission, to the commission in accordance with C.G.S. § 7-148d(a).
b.
The commission shall hold such rent in an escrow account, as hereinafter provided, until the landlord makes such repairs or changes as are required to bring the housing accommodation into compliance with such chapters, statutes or regulations.
c.