Duct Blaster® Systems

The development of the Minneapolis Duct Blaster® has revolutionized performance testing of forced air distribution systems for builders, HVAC contractors, and utility DSM programs. The Minneapolis Duct Blaster is a calibrated air flow measurement system designed to test and document the airtightness of forced air duct systems in both houses and light commercial buildings. The Duct Blaster fan is connected directly to the duct system in a house, typically at a central return, or at the air handler cabinet. With the remaining registers and grilles temporarily taped off, duct airtightness is measured by either pressurizing or depressurizing the duct system and precisely measuring the fan flow and duct pressure.

Duct airtightness measurements are used to diagnose and demonstrate leakage problems, estimate efficiency losses from duct leakage, and certify compliance with duct leakage standards such as California's Title 24 Building Energy Efficiency Standards.

Minneapolis Duct Blaster

• The lightweight Duct Blaster fan weighs just 7 pounds, but delivers enough air flow (an amazing 1,500 CFM) to test the leakiest duct systems.
• Quick and accurate airtightness measurements from 20 - 1,500 CFM.
• Compatible for both pressurization and depressurization testing.
• The Duct Blaster can be easily used in new construction applications where a Blower Door can't be used (e.g. before sheet rock is installed).
• The Duct Blaster can also be used as a powered flow hood to accurately measure air flows through the air handler fan, registers and grilles, and exhaust fans.
• Variable fan speed control (solid state).
• Both 110V and 220V models available.
• Padded nylon carrying case with shoulder strap.

Click Here to Download Duct Blaster Brochure (PDF format)

Click Here to View Manual and Quick Guides (including new Video Quick Guide)

Instrumentation

• Our DG-700 digital pressure and flow gauge is included with the Minneapolis Duct Blaster system. The DG-700 gauge contains 2 precision pressure sensors which provide simultaneous display of both duct pressure and Duct Blaster fan flow readings. It's specialized "CFM @25" features makes it extremely easy to get quick and accurate total leakage test results. The DG-700 can also be used along with the Duct Blaster fan to measure total air flow through the air handler.

Click Here for DG-700 Brochure

Duct Mask Temporary Register Seal

• Duct Mask is used to provide a quick temporary seal on registers and grilles when measuring duct airtightness with a Duct Blaster or Blower Door.
• With Duct Mask you can reduce the time and hassle of sealing off the duct system, and look more professional to your customers.
• Duct Mask is an adhesive backed film that comes in both 8" and 24" wide rolls. An easy to use belt dispenser is available with the 8" wide rolls.
• Duct Mask is perforated every 4" (8" wide rolls), or every 24" (24" wide rolls) to provide a quick, custom, one-step installation.
• Duct Mask is affordable, less than $.10 for a standard 6 x 10 register, or about $2.50 per house.
• Duct Mask is sold by the case, which includes six 200' long (8" wide) rolls, or two 200' long (24" wide) rolls.

Click Here to Download Duct Mask Brochure (PDF format)

Minneapolis Duct Blaster Specifications

Specifications subject to change without notice.