90% Furnace venting. Posted on August 22, 2012 by Andy. With these higher efficiency furnaces, came some other considerations. The 90% implies that 90% of the heat that is put into the furnace is transferred into the duct system and subsequently into the homes living space leaving only 10% going out the exhaust.
The definition of a direct primary election is when people vote for candidates of their political party by direct vote instead of by delegates at a convention.
the democratic party presidential primaries and caucuses are indirect elections in which voters cast ballots for a slate of delegates to the 2016 democratic national convention these delegates in turn directly elect the democratic party s presidential nomineen the weeks following the re election of incumbent democratic president barack obama in the 2012 election media speculation regarding potential candidates for the democratic presidential nomination in the 2016 presidential election began to circulate