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 2018 elections for the Illinois Senate will take place on Tuesday, November 6, 2018. Elections will be held to elect representatives from all 118 districts. The winners of this election will serve in the 101st General Assembly, with seats apportioned among the states based on the 2010 United States Census.