They are air, calcium chloride brine, sodium chloride brine, alcohol, and similar nonfreezing solutions. The purpose of Class 2 refrigerants is to receive a reduction of temperature from Class 1 refrigerants and convey this lower temperature to the area to be air-conditioned.
Elections for the United States Senate will be held on November 8, 2016, with 34 of the 100 seats in the Senate being contested in regular elections whose winners will serve six-year terms from January 3, 2017 until January 3, 2023.
The 2016 United States Senate election in Arizona was held on November 8, 2016, to elect a member of the United States Senate to represent the State of Arizona , concurrently with the 2016 U.S. presidential election , as well as other elections to the United States Senate in other states and elections to the United States House of Representatives and various state and local elections .