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 House of Representatives elections will be held on November 8, 2016. Elections will be held to elect representatives from all 435 congressional districts across each of the 50 U.S. states.he 2016 Presidential election, 2016 Senate elections, 2016 gubernatorial elections, and many state and local elections will also be held on this date.