2019 Code QuietCool WHF Specs - For Specified Fan + HERS Option Recommended Home Size ( Sq.Ft.)
Product Info HERS CFM Watts watt/CFM *HERS Venting 2 CFM/sqft. 3 CFM/sqft
STL Pro 2.5X 1134 196 0.17 2.56 567 378
STL Pro 3.3X 1701 310 0.18 3.13 851 567
STL Pro 4.8X 2737 490 0.18 4.17 1369 912
STL Pro 5.5X 3206 529 0.17 5.00 1603 1069
STL Pro 6.0X 3916 597 0.15 5.37 1958 1305
STL Pro 6.5     #DIV/0! 7.55 0 0
STL Pro 6.5X ** 3936 571 0.15 5.82 1968 1312
STL Pro 3.3X + 3.3X 3402 620 0.18 6.26 1701 1134
STL Pro 4.8X + 4.8X     #DIV/0! 8.34 0 0
STL Pro 5.5X + 5.5X     #DIV/0! 10.00 0 0
STL Pro 6.0X + 2.5X 5050 793 0.16 5.37 + 2.56 2525 1683
STL Pro 6.0X + 3.3X 5617 907 0.16 5.37 + 3.13 2809 1872
STL Pro 6.0X + 4.8X 6653 1087 0.16 5.37 + 4.17 3327 2218
STL Pro 6.0X + 5.5X 7122 1126 0.16 5.37 + 5.00 3561 2374
STL Pro 6.0X + 6.0X 7832 1194 0.15 5.37 + 5.37 3916 2611
STL Pro 6.0X + 6.0X + 2.5X 8966 1390 0.16 5.37 + 5.37 + 2.56 4483 2989
STL Pro 6.0X + 6.0X + 3.3X 9533 1504 0.16 5.37 + 5.37 + 3.13 4767 3178