Heat gain is the heat accumulated from the sun in the system. Solar thermal heat is trapped using the greenhouse effect; the greenhouse effect in this case is the ability of a reflective surface to transmit short wave radiation and reflect long wave radiation.
Sponsored Topics. Schenectady ( /skÉnÉktÉdi/) is a city in Schenectady County, New York, United States, of which it is the county seat. As of the 2010 census, the city had a population of 66,135. The city of Schenectady is in eastern New York, near the confluence of the Mohawk and Hudson Rivers.
For the adjacent town of the same name, see Dunkirk (town), New York. Dunkirk is a city in Chautauqua County, New York, in the United States. It was officially incorporated in 1880, though it was first settled around 1805. The population was 12,563 as of the 2010 census, with an estimated population of 12,328 in 2013. Dunkirk is bordered on the north by Lake Erie.