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.

Harvey and Price Company 2015 Nugget Way Eugene, OR  97403 Phone: (541)746-1621 Fax: (541)746-8729	L32C	Dan Liebersbach, Level 2
Western States Fire Protection Co. Portland , OR   Phone: Fax:	Q4E	Jared Hill, 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.

Bend Fire Protection Bend OR   Phone: Fax:	Q56
National Fire Security Eugene OR   Phone: Fax:	E,L32C
Northwest Fire Suppression Inc. Beaverton OR   Phone: Fax:	970HP
Omlid & Swinney Fire Sprinkler Systems Springfield OR   Phone: Fax:	L64
Sanderson Safety Supply Co Portland OR   Phone: Fax:	970HP
Suppression Systems, Inc. - Portland 3439 NE Sandy Blvd. Portland OR  97232 Phone: (503)233-4582 Fax: (503)233-4588
Huser Sales & Service Portland , OR   Phone: Fax:	870