Level 4 Enclosure Integrity Testers

These companies own door-fan test equipment and Windows software for testing enclosure integrity. They employ at least one Level 3 certified technician who has been certified to conduct the NFPA blower door test procedure.

Level 4 testers are certified on ISO testing and advanced pressure venting tests, both using complicated multi-point techniques.

Fire Tech Services Wando , SC   Phone: Fax:

970

Jeff Borasky, Level 4 Matt McIntire, Level 2

Level 3 Enclosure Integrity Testers

These companies own door-fan test equipment and Windows software for testing enclosure integrity. They employ at least one Level 3 certified technician who has been certified to conduct the NFPA blower door test procedure.

Level 3 testers are certified to perform multiple blower tests for large enclosures, NFPA lower leak measurement using ceiling neutralization, extended discharge systems and sub-floor only testing.

There are no companies with Level 3 testers in your area.

Level 2 Enclosure Integrity Testers

These companies own door-fan test equipment and Windows software for testing enclosure integrity. They employ at least one Level 2 certified technician who has been certified to conduct the NFPA blower door test procedure.

Level 2 testers are certified on the NFPA single blower door fan tests & field calibration tests.

Columbia Fire and Safety 767 Meeting St. West Columbia, SC  29169 Phone: (803)926-8617 Fax: (803)926-8619	Q5E	Tommy Middleton, Level 2
SimplexGrinnell Charleston SC Wando , SC   Phone: Fax:	Q46	Karl Hofen, Level 2

Level One Certified Techniciains

These companies own door-fan test equipment and Windows software for testing enclosure integrity. They employ at least one Level 2 certified technician who has been certified to witness the NFPA blower door test procedure.

Level 1 testers are trained in enclosure theory & design, and are certified to witness but but not perform the NFPA blower door test.

There are no companies with Level 1 testers in your area.

Companies that own Retrotec Equipment but don't have registered technicians.

Companies listed below own Retrotec equipment, but have not been certified by Retrotec to perform the NFPA blower door test.

Aero Service Corp Charleston SC   Phone: Fax:	Q56
Air Plus Charleston SC   Phone: Fax:	Q56
Cooper Mechanical Myrtle Beach SC   Phone: Fax:	Q56
Gray's Heating A/C & Appliance Hilton Head Island SC   Phone: Fax:	Q56
Heating & Cooling Solutions Inc Summerville SC   Phone: Fax:	Q56
Mike Buist Electrical Service Greenville SC   Phone: Fax:	Q56
Rick's Services Inc Georgetown SC   Phone: Fax:	Q56