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.
Top 10 Colleges With The Most Applications: 1  Massachusetts â Harvard University â 1636. 2  Virginia â College of William & Mary â 1693. 3  Maryland â St. Johnâs College â 1696. 4  Connecticut â Yale University â 1701. 5  Pennsylvania â University of Pennsylvania â 1740. 6  Delaware â University of Delaware â 1743. 7  New Jersey â Princeton University â 1746.