24x30 TrueFlow Adapter

24x30 TrueFlow® Adapter One pre-cut adapter with gasket for use with the Digital TrueFlow® Grid used to temporarily replace a filter of the same size during testing.  

Minneapolis Blower Door™ Ring D

Blower Door Fan Flow Ring D Ring D is an optional flow ring for Model 3 & 4 Minneapolis Blower Door™ fans. Ring D measures air flows between 115 - 30 CFM. Ring D attaches inside Ring B by rotating the 6 fastener clips. When using Ring D, fan...

Minneapolis Blower Door™ Accessory Bag with Zipper

Blower Door Accessory Bag with Zipper The Blower Door Accessory Bag, included in select Minneapolis Blower Door systems, makes it easy to transport blower door components and other items.  Additional blower door components sold separately...

Digital TrueFlow® Carrying Case

Digital TrueFlow® Carrying Case One replacement fabric carrying case for the Digital TrueFlow® and adapter plates. Includes an internal mesh pocket for holding accessories such as the DG-8 digital pressure gauge.

Upper Cross Bar with Velcro Strap

Upper Cross Bar with Velcro Strap One upper crossbar frame piece for the standard Blower Door aluminum frame set. Easily adjustable up to 45" wide and includes a strap for securing the Blower Door fan handle. The upper crossbar is used when setting up...

Minneapolis Blower Door™ Ring C

Blower Door Fan Flow Ring C Ring C is an optional flow ring for Model 3 Minneapolis Blower Door™ fans. Ring C measures air flows between 330 - 85 CFM. Ring C attaches inside Ring B by rotating the fastener clips.

Pressure Pan - 12x14x4

Pressure Pan 12"x14"x4" The Pressure Pan is a duct leakage diagnostic tool which is used along with the Blower Door and digital pressure gauge to identify exterior air leaks in forced air duct systems. It is most effective when a significant portion of...

The Energy Conservatory Hose Kit

The Hose Kit includes TEC's Non-Phthalate Polyvinyl Chloride (PVC) hose in a variety of lengths and colors used in testing applications, as well as hose connectors and a digital gauge extension tube probe. Hose Kit includes: One 50' Blue Hose One 50'...

Pressure Pan - Large - 22x22x2

Pressure Pan - Large 22"x22"x2" The Pressure Pan is a duct leakage diagnostic tool which is used along with the Blower Door and digital pressure gauge to identify exterior air leaks in forced air duct systems. It is most effective when a significant...

Minneapolis Blower Door™ Nylon Fan Case - Not Padded

Nylon Case for the Blower Door Fan - Not Padded Nylon case for the Model 3 Minneapolis Blower DoorTM fan. This case provides a cover for the fan to limit dirt, dust or debris from getting on the fan or in the fan motor. Features Tough nylon fabric...

Minneapolis Blower Door™ Fan Flow Ring Set - LFRINGS

Replacement standard flow ring set for the Model 3 and 4 Minneapolis Blower Door™ fans with rings A, B and a no flow plate. Ring A installed measures air flows between 2800 and 915 CFM. Ring B...

Minneapolis Blower Door™ Fan Speed Controller - Universal - BD3COND-U

Blower Door Fan Speed Controller - Universal The Blower Door Fan Speed Controller provides variable speed control for both the 110V and 230V Model 3 Minneapolis Blower DoorTM fans. Features This universal design can be used with 100-240V, 50/60 Hz...