• The Minneapolis Blower Door has long been recognised as the best designed and supported building airtightness testing system in the world.
• Combined with specialised accessories and complete testing procedures developed by The Energy Conservatory, the Minneapolis Blower Door is the system of choice for utility Demand Side Management programs, energy raters, HVAC contractors, builders and weatherisation professionals.
• Blower Door tests are used to measure the airtightness level of building envelopes, diagnose and demonstrate air leakage problems, estimate natural infiltration rates, estimate efficiency losses from building air leakage, and certify construction integrity.

Minneapolis Blower Door Features

Precision Engineered, Calibrated Fan

• Lightweight and rugged injection molded fan housing.
• Precise, stable flow measurements without the need for gauge dampening.
• Quick and accurate flow measurements from 300 to 6,300 CFM (to 2,973 l/s,to 10,700 m3/h).
• Optional ring C will measure down to 100 cfm.
• Solid state variable speed fan control.
• Compatible with both pressurisation and depressurisation testing.
• Both 110V and 220V models available.

Lightweight, Durable Door Frame and Panel

• The innovative design of our adjustable aluminum frame and durable nylon panel’s 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 in to 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.

Standard Minneapolis Blower Door Kit includes

• Fan with variable speed fan controller.
• Five piece adjustable door frame and hard shell case.
• Fabric door panel with viewing window.
• Two flow rings.
• Padded attaché case to hold gauges, manuals, tubing, speed controller, and fabric panel, with room for a laptop computer and other documents.
• DG-700 Pressure and Flow Gauge contains 2 precision pressure sensors which provides simultaneous display of both building pressure and Blower Door fan flow readings.
• It’s specialised “Baseline” and “CFM @50” features makes it extremely easy to get quick and accurate airtightness test results.
• In addition, the DG-700 can be used along with a laptop computer and our TECTITE software to conduct fully automated Blower Door tests.

• More Info Available View...
  • Butler Group Minneapolis Blower Door Datasheet.pdf
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