AHRI Certification

Direct coil manufactures AHRI certified coils and equipment. The performance ratings for coils are established by testing to ASHRAE Std. 33 and are certified to AHRI in accordance with AHRI Std. 410.

NSF Certification

Direct Coil Offers products certified by NSF to NSF/ANSI/CAN 61 for use in drinking water supplies of pH 6.5 and above and that are certified to NSF/ANSI 372 to conform with the lead content requirements for “lead free” plumbing as defined by California, Vermont, Maryland, and Louisiana state laws and the U.S. Safe Drinking Water Act.

CSA Certification

Direct Coil offers coils with various options and are certified with CSA and built in compliance with Standard C22.2 and all provisions governing that certification.


Direct Coil offers coils and equipment with various options that are listed with Underwriters Laboratories and built in accordance with requirements of UL standards.