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Building Envelope and Duct Leakage Systems
The best testing systems designed specifically for testing the leakage of the building envelope and ductwork for code compliance and energy rating.
Building Envelope and Duct Leakage Systems
The best testing systems designed specifically for testing the leakage of the building envelope and ductwork for code compliance and energy rating.
Minneapolis Blower Door™ System (with DG-1000)
Minneapolis Blower Door™ System (with DG-1000) Image

Model 3 110V System (with DG-1000) Includes

  • Model 3 Fan (300 CFM to 6,300 CFM)
  • DG-1000 Pressure and Flow Gauge
  • Aluminum frame and nylon panel designed to fit an 8 foot door
  • Fan Control Cable
  • USB communication cable

The Minneapolis Blower Door has long been recognized as the best designed and supported building airtightness testing system in the world. Combined with specialized accessories and testing procedures developed by The Energy Conservatory, the Minneapolis Blower Door is the system of choice for utility DSM programs, energy raters, HVAC contractors and weatherization professionals.  Complete with everything you need for fully automated Blower Door testing. Built-in Cruise Control allows you to automatically control the Blower Door fan to maintain a constant 75 Pa, 50 Pa, 25 Pa or 0 Pa building pressure without having the gauge connected to a computer. Our lightweight, rugged, injection molded fan housing has a 5 year “no questions asked” warranty. Precise, stable flow measurements without the need for gauge dampening. The Model 3 Fan provides quick and accurate flow measurements from 300 to 6,300 CFM (includes Flow Rings A and B). Optional Flow Rings C, D and E will measure down to 11 CFM. Variable fan speed control (solid state – cruise control compatible). Both 110V/60 Hz and 220V/50 Hz models. This Model 3 Minneapolis Blower Door system includes a single fan, the DG-1000 pressure and flow gauge with Cruise Control, and the adjustable aluminum frame and nylon panel. Multi-fan Minneapolis Blower Door systems are also available (both 2 fan and 3 fan systems). Mini-fan Minneapolis Blower Door Systems that use the Duct Blaster® Fan are also available.

Lightweight, Durable Door Frame and Panel

The innovative design of our adjustable aluminum frame and durable nylon panel is the result of years of refinements based on the experience of thousands of users. There is no easier way to seal a Blower Door fan into a door opening.  Snap-together aluminum frame comes in a compact carrying case and sets up in seconds. Precision engineered cam lever mechanism securely clamps the nylon panel into the door opening. Adjusts to fit the largest and smallest residential door openings (custom sizes available). A built-in window allows you to monitor outside activity. Panels are also available with a hole sized for the Duct Blaster Fan as well as two and three Blower Door fan configurations.

Blower Door Accessory Case

Our padded accessory case comes with every Blower Door system and has loads of room for your gauges, manuals, tubing, speed controller and nylon panel. It even has a padded laptop computer pocket and file compartments for organizing literature, forms and other documents.

Minneapolis Blower Door Brochure

Minneapolis Blower Door and DG-1000 Gauge

Complete Set: Blower Door Guides

Mini Fan Blower Door System (with DG-1000)
Mini Fan Blower Door System (with DG-1000) Image

Small houses or houses built to the more stringent energy savings standards have very small amount of leakage through the building envelope. A Minneapolis Duct Blaster® fan can be just the right size when regularly testing these energy efficient homes.

Another application for a Mini-Fan Blower Door System is individual apartment testing for multi-family buildings or when testing to LEED.

This complete kit includes the Duct Blaster fan and controller and the DG-1000 Pressure and Flow Gauge. The lightweight Duct Blaster fan weighs just 7 pounds, but delivers enough air flow to test small homes or homes trying to achieve the highest airtightness testing standards. Provides quick and accurate airtightness measurements from 10 – 1,500 CFM. Compatible for both pressurization and depressurization testing. Cruise Control feature will automatically control the speed of the Duct Blaster fan during testing.

Components

  • DG-1000 Pressure and Flow Gauge and mounting board
  • Duct Blaster fan and fan speed controller
  • Door panel for the Duct Blaster fan
  • Flow rings 1, 2 and 3 (Ring 4 is optional)
  • Standard blower door aluminum frame with case
  • Duct Blaster carrying case
  • Three lengths of tubing

Minneapolis Blower Door™ System: 2-Fan System
Minneapolis Blower Door™ System: 2-Fan System Image

(Please note that the DG-700 Pressure and Flow Gauge has been discontinued as of November 1, 2017.  All systems now come with a DG-1000 Pressure and Flow Gauge.)

Two-fan System Includes

  • Two Model 3 (110V) fans with Variable Speed Controllers and Flow Rings A and B
  • Two DG-700 Pressure and Flow Gauges with mounting boards
  • Adjustable Aluminum Frame with 2 cross-bars and carrying case (max height 96″, max width 48″)
  • One Nylon Panel for door opening (One commercial double hole panel)
  • One Accessory Case to hold gauges, manual, tubing and other items
  • TECTITE Express and TECLOG3 Software

The Minneapolis Blower Door System is available in multi-fan systems when testing commercial buildings in accordance with the Army Corps Standard, NEBB Standard or other protocols.

Minneapolis Blower Door™ System: 3-Fan System (with DG-1000s)
Minneapolis Blower Door™ System: 3-Fan System (with DG-1000s) Image

Three-fan kit includes

  • Three Model 3 (110V) fans with Variable Speed Controllers and Flow Rings A and B
  • Three DG-1000 Pressure and Flow Gauges with mounting boards
  • Adjustable Aluminum Frame with three cross-bars and carrying case (max height 96″, max width 48″)
  • One Nylon Panel for door opening (one commercial triple hole panel)
  • Two Accessory Cases to hold gauges, manual, tubing and other items
  • TECTITE Express and TECLOG3 Software

The Minneapolis Blower Door System is available in multi-fan systems when testing commercial buildings in accordance with the Army Corps Standard, NEBB Standard or other protocols.

Minneapolis Duct Blaster® System (with DG-1000)
Minneapolis Duct Blaster® System (with DG-1000) Image

System Includes

  • Series B Duct Blaster® Fan
  • DG-1000 Pressure and Flow Gauge
  • Duct Blaster fan speed controller
  • Three flow rings (optional Ring 4)
  • Twelve feet of 10″ diameter flex duct
  • Padded nylon carrying case
  • Static pressure probe
  • Sample roll of Premium DuctMask Temporary Register Sealing Tape

The development of the Minneapolis Duct Blaster has revolutionized performance testing of forced air distribution systems for builders, HVAC contractors, and in a variety of utility programs.

The Duct Blaster is also used for code compliance for total duct leakage and duct leakage to the outside as in IECC 2009 and 2012.

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. Provides quick and accurate airtightness measurements from 10 – 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).

Duct Blaster System Brochure

Duct Blaster System User Guide

Building Envelope and Duct Leakage Systems
The best testing systems designed specifically for testing the leakage of the building envelope and ductwork for code compliance and energy rating.
Minneapolis Blower Door™ System (with DG-1000) Image
Minneapolis Blower Door™ System (with DG-1000)
Model 3 110V System (with DG-1000) Includes Model 3 Fan (300 CFM to 6,300 CFM) DG-1000 Pressure and Flow Gauge Aluminum frame and nylon panel designed to fit an 8 foot door Fan Con... Read More
Product Number: BD3-KIT-001
Additional Documents Link: https://support.energyconservatory.com/hc/en-us/categories/200025019-Blower-Door
Mini Fan Blower Door System (with DG-1000) Image
Mini Fan Blower Door System (with DG-1000)
Small houses or houses built to the more stringent energy savings standards have very small amount of leakage through the building envelope. A Minneapolis Duct Blaster® fan can be just the right size when regularly testing these energy ... Read More
Product Number: BD8-KIT-001
Minneapolis Blower Door™ System: 2-Fan System Image
Minneapolis Blower Door™ System: 2-Fan System
(Please note that the DG-700 Pressure and Flow Gauge has been discontinued as of November 1, 2017.  All systems now come with a DG-1000 Pressure and Flow Gauge.) Two-fan System Includes Two Model 3 ... Read More
Product Number: BD3COMM2
Additional Documents Link: https://support.energyconservatory.com/hc/en-us/categories/200025019-Blower-Door
Minneapolis Blower Door™ System: 3-Fan System (with DG-1000s) Image
Minneapolis Blower Door™ System: 3-Fan System (with DG-1000s)
Three-fan kit includes Three Model 3 (110V) fans with Variable Speed Controllers and Flow Rings A and B Three DG-1000 Pressure and Flow Gauges with mounting boards Adjustable Aluminum Frame with three cross... Read More
Product Number: BD3-KIT-030
Additional Documents Link: https://support.energyconservatory.com/hc/en-us/categories/200025019-Blower-Door
Minneapolis Duct Blaster® System (with DG-1000) Image
Minneapolis Duct Blaster® System (with DG-1000)
System Includes Series B Duct Blaster® Fan DG-1000 Pressure and Flow Gauge Duct Blaster fan speed controller Three flow rings (optional Ring 4) Twelve feet of 10″ diame... Read More
Product Number: DUCT-KIT-001
Additional Documents Link: https://energyconservatory.com/wp-content/uploads/2016/06/Duct-Blaster-Brochure.pdf