Shower image by Semfamily from Fotolia.com. A direct vent hot water heater contains a sealed pipe system for intake combustion air and exhaust gases. This creates an air-tight combustion chamber which eliminates backdrafting and improves fuel efficiency. For combustion air, a gas-fired hot water heater draws in outside air or pulls it from inside the house.
The Common Application is a standardized application used by nearly 700 colleges. Each year, nearly a million students use the Common Application to submit over 4 million applications. The Universal College Application is accepted by more than 30 colleges and universities.
Teachers, counselors, coaches and other adults may see an increase in requests for letters of recommendation because of their growing value in the admissions process. They also are a requirement of the Common Application, which is the online application process used by more than 500 colleges and universities.