Retrotec has been manufacturing blower door and duct testing equipment for over 30 years. The World's leading manufacturer of building diagnostic tools.

Retrotec testing equipment including blower doors, duct testers, pressure gauges, Pressure Relief Vents, and more for residential and commercial use.

Search all blower door systems from Retrotec. Choose from residential, large building, Passive House, and Clean Agent Enclosure Integrity systems.

Retrotec support services for blower door and air duct testing equipment. Register for warranties, request repair or calibration, view technical support, etc.

Our Most Popular Blower Door System for Residential & Small Commercial Outsells all other makes & models! Test any residential house. Complete with the newly released DM32X gauge, a fan, 6 …

Blower door systems for residential testing. Retrotec offers the most advanced blower doors and cutting edge technology for diagnostic and system testing.

My Account Sign In Create Account View Cart My Wishlist Contact Retrotec US Office 1060 E. Pole Rd Everson, WA 98247 1-855-738-7683 sales@retrotec.com EU Office Retrotec EU Hardermaat 12 …

Model 5000 Series Blower Door Package plus the Model 340x DucTester package from Retrotec.

The Model 7000 delivers even greater power than Retrotec’s trusted Model 5000. Pair it with our cutting-edge DM32X gauge, and you’ve got the blower door reinvented—delivering a completely …

Duct testing training, blower door test training, enclosure integrity certification packages, and more from Retrotec. View all Retrotec courses available.