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.

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.

Healey Fire Protection, Inc. 134 Northpointe Drive Orion , MI  48359 Phone: (248)373-7800 Fax: (248)373-6678

N64C,60 gauge

Darren Adams, Level 2 David Taulbee, Level 2 Terry McGuckin, Level 2 Vincent R. Conrad, Level 2 Craig McDaniel, Level 2 Brian Belevender, Level 2 Chris Bieszard, Level 2 Jerry Killewald, 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.

Absotemp Climate Control Inc Walled Lake MI   Phone: Fax:	K53
Approved Fire Protection Kalamazoo MI   Phone: Fax:	970HP
Certified Inspection Services Byron Center MI   Phone: Fax:	900
Detroit Fire Extinguisher Detroit MI   Phone: Fax:	870
Fire Fighter Sales & Service Inc Grand Rapids MI   Phone: Fax:	870
Great Lakes State Htg. & A/C Williamson MI   Phone: Fax:	K53
M.B. Sistemi SRL Legnano MI   Phone: Fax:	N5A
Vanguard Fire & Supply Grand Rapids MI   Phone: Fax:	970