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Energy Conservatory Exhaust Fan Flow Meter
Energy Conservatory Exhaust Fan Flow Meter
Exhaust Fan Flow Meter
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Price: $210.00

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Energy Conservatory Exhaust Fan Flow Meter

The Exhaust Fan Flow Meter from The Energy Conservatory offers a fast and accurate way to verify airflow through residential bath fans and other ventilation exhaust devices. The Exhaust Fan Flow Meter attaches to the user's DG-700 Digital Pressure and Flow Gauge (or the DG-3; both not included) to display airflow from 10 to 124 CFM, perfect for residential and light commercial ventilation checks.

In operation, air is drawn through a calibrated opening in the Exhaust Fan Flow Meter, creating a change in pressure measured by the manometer. The opening is adjusted by the user to ensure accuracy by minimizing back pressure. If using a manometer other than the Energy Conservatory DG-700 or DG-3, the pressure reading can be converted to airflow in CFM by using a conversion table located on the side of the Exhaust Fan Flow Meter. The manometer should have a range of 1 to 8 Pascals and a minimum resolution of 0.1 Pa (0.0004 inWC).

The Energy Conservatory Exhaust Fan Flow Meter is easy to use, and weighs much less than conventional flow hoods. It's a great choice for monitoring or testing ventilation compliance with ASHRAE 62.2 requirements. Also included is a short handle which can accept a painters pole to complete all testing without ever needing a ladder. Energy Conservatory product code: EXFANMETER


  • Exhaust Fan Flow Meter
  • Short handle with pole adapter

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.

Average Rating: Average Rating: 4 of 5 4 of 5 Total Reviews: 1 Write a review »

  0 of 0 people found the following review helpful:
4 of 5 Works as advertised, but expensive June 8, 2015
Reviewer: Nick Semon from Scranton, PA United States  
The exhaust fan flow meter does exactly what it says, and it does it well.  Hook it up to a manometer and you're ready to measure exhaust fan flow rates.  Feels sturdy and well built.

Despite that . . . it's pretty expensive for what amounts to a plastic box with a sliding lid.  My homemade version works just as well, but it doesn't look as "professional" as this one for energy audit work.  Guess that's just the price you pay.

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