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.

There are no companies with Level 4 testers in your area.

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.

International Equipment Chattanooga , TN   Phone: Fax:

L32

Dave Hawkins, Level 3 David Austin, Level 3

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.

Security Fire Protection 4495 Mendenhall Road South Memphis , TN  38122 Phone: (901)405-3447 Fax: (901)366-7869

Q5E

Jarrett Cross, 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.

AA Air Company 1001 Katherine Ave Knoxville TN  37921 Phone: (865)689-5290 Fax:	K53
Advanced Air Inc Memphis TN   Phone: Fax:	Q56
Industrial Fire & Safety Nashville TN   Phone: Fax:	920F
Kimbro Air Hendersonville TN   Phone: Fax:	Q56
Morristown Automatic Sprinkler Inc Knoxville TN   Phone: Fax:	N64
SimplexGrinnell, Nashville TN Nashville TN   Phone: Fax:	900
State Systems Inc Memphis TN   Phone: Fax:	970,Q32
Superior Fire Protection Inc. Nashville TN   Phone: Fax:	970HP