Report Number
FSEC-GP-14-81
URL
http://publications.energyresearch.ucf.edu/wp-content/uploads/2018/06/FSEC-GP-14-81.pdf
Keywords
Solar Thermal; Solar Energy; Solar DHW collectors; Thermal performance ratings; Flat-plate solar collectors; Energy efficiency; System installation
Abstract
Thermal performance ratings, derived from the FSEC testing and certification program, are a useful tool in comparing the efficiency and economics of various flat-plate solar collectors. Since collectors used in domestic hot water (DHW) systems typically operate in the intermediate temperature range (1200F-1600F), this is the rating provided for comparisons. It must be stressed that these comparisons are only a guide and should not be considered as a rank ordering of collectors. Such considerations as component sizing and proper installation procedures are equally important in determining a system's overall efficiency. In addition, because of the variability of weather conditions, instrumentation accuracies, and other test condition constraints, the thermal performance of any two collectors should be considered approximately the same if their ratings are within 25 Btu/(ft2day) of each other. Bear in mind that comparisons based on these ratings address thermal efficiency and energy output per investment dollar only; they do not imply equivalent reliability or durability among collectors.
Date Published
12-1-2002
Identifiers
565
Subjects
Solar collectors; Hot-water heating; Energy consumption
Local Subjects
Solar Energy; Solar Thermal
Type
Text; Document
Format
application/pdf
Collection
FSEC Energy Research Center® Collection
STARS Citation
Florida Solar Energy Center and Harrison, John, "Solar DHW Collector Thermal Performance Ratings" (2002). FSEC Energy Research Center®. 565.
https://stars.library.ucf.edu/fsec/565
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