Washington, D.C.
For more information contact
Aurora Energy, Inc.

This page provides solar radiation values for VM Solar Collectors and expected gallons of water raised by 60 degrees F. The average daily radiation data are from University of Wisconsin EES Report No. 44 - 2 (F - Chart Data). VM collector (average) efficiency of 70% is used for this chart.

Latitude: 38.83 N Degrees
Longitude: 76.67 W Degrees
Elevation: 47 Meters
System Tilt: 30 Degrees
Annual Total BTU's per square meter (10 tubes): 3,602,086

Washington, DC (7626 bytes)

Please read the Collector Tube Efficiency and System Sizing
sections before using this chart.


Contact Thermo Technologies