http://www.landlordportal.com/Options_for_Tenants.asp
This table reflects statues passed by the state legislatures and some court decisions. But your local Government courts may authorized methods similar to these.
States that allow tenants to Withhold the rent and/or Repair and deduct
Alaska
Arizona
California
Connecticut
Florida withhold only
Georgia withhold only
Hawaii
Illinois withhold only
Iowa
Kansas withhold only
Kentucky
Louisiana repair & deduct only
Maine
Maryland withhold only
Massachusetts
Michigan
Minnesota
Mississippi repair & deduct only
Missouri
Montana
Nebraska
Nevada
New Hampshire withhold only
New Jersey withhold only
New Mexico
New York
Ohio withhold only
Oklahoma repair & deduct only
Oregon
Pennsylvania withhold only
Rhode Island
South Carolina
South Dakota
Tennessee repair & deduct only
Texas repair & deduct only
Vermont
Virginia
Washington
Wisconsin * withhold for lead & asbestos only