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.
Elections to the U.S. Senate will be held on November 8, 2016. A total of 34 of the 100 seats are up for regular election. Special elections will be held to fill vacancies that occur in the 114th Congress. Those elected to the U.S. Senate in the 34 regular elections on November 8, 2016, will begin their six-year terms on January 3, 2017. Control of the Senate is up for grabs again in 2016.