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.

Computer Site Inc Denver , CO   Phone: Fax:

E44

Michael Avery, 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.

API Systems Group Centennial , CO   Phone: Fax:	970HP,60 gauge	Walter Litton, Level 2
Excel Fire Protection 834 21 1/2 Road Grand Junction, CO  81505 Phone: (970)434-4803 Fax: (970)434-0802	Q46	Raymond M Segura , Level 2 Ian Andrews, Level 2
Westfire, Arvada 5350 Vivian Street Arvada , CO  80002-1957 Phone: (303)273-9800 Fax:	970	Joe Polito, Level 2 Chris Van Der Stokker, 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.

Allen Plumbing & Heating Inc Fort Collins CO   Phone: Fax:	Q56
Tri County Fire Protection Rifle CO   Phone: Fax:	970