Effective Area Calculator
Water Heating System
Pool & Spa Water Heating
Heating & Cooling Products
ICC-SRCC California Effective Area Calculator
OG-100 solar thermal collector certification number
below to calculate the
California effective area
in square feet.
Effective area is available for glazed flat plate and tubular solar water heating collectors certified under the
The effective area metric is used by some programs in California to support incentives and rebates for certain types of solar water heating systems.
for more information on the way effective area is calculated for use in California.
with any questions on the calculator.
Enter OG-100 Number:
Click Calculate to view updated results.
Connect With Us
© 2019 ICC Evaluation Service, LLC. A Subsidiary of the International Code Council