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Minneapolis Duct Blaster with DG-700
Minneapolis Duct Blaster System
Minneapolis Duct Blaster
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Price: $2,405.00

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Minneapolis Duct Blaster with DG-700

The TEC Minneapolis Duct Blaster with the DG-700 has been discontinued. It has been replaced by the TEC Minneapolis Duct Blaster with the DG-1000.

Minneapolis Duct Blaster Features

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.

  • 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 10 to 1,500 CFM
  • New Cruise Control feature will automatically control the speed of the Duct Blaster fan during 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 capture hood to accurately measure air flows through the air handler fan, registers and grilles, and exhaust fans. The new FlowBlaster capture hood accessory will accurately measure supply, return and exhuast flows from 10 to 300 CFM
  • The DG-700 gauge contains 2 precision pressure sensors which provide simultaneous display of both duct pressure and Duct Blaster fan flow readings, for the most accurate test results
  • Specialized "CFM @25" feature makes it extremely easy to get quick and accurate total leakage test results
  • Duct leakage test results can even be displayed in square " (estimated size of all leaks in the duct system)
  • The DG-700 can also be used along with the Duct Blaster fan to measure total air flow through the air handler
  • Energy Conservatory product code: DUCTD7


  • Duct Blaster Fan with Fan Speed Controller
  • DG-700 Digital Pressure and Flow Gauge
  • Three Flow Rings
  • Twelve feet (3.7 m) of 10 in. (25 cm) diameter flex duct
  • Heavy Duty Carrying Case
  • Static pressure probe
  • 100' sample roll of DuctMask Temporary Register Seal
  • Manual and Duct Blaster Training Video
  • TECBLAST Software CD

Warranty Information

All products from The Energy Conservatory carry a full two year warranty on parts and labor, and include access to one of the best customer service staffs in the industry.

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