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©Retrotec Inc. 2015
Copyright © 2012-2015 Retrotec Inc.,
All rights reserved.
This document contains materials protected under International and Federal Copyright Laws. No part of
this book may be reproduced or transmitted in any form or by any means, electronic or mechanical,
including photocopying, recording, or by any information storage and retrieval system without express
written permission from Retrotec Inc.
Retrotec makes no warranties with respect to this documentation and disclaims any implied warranties
of merchantability, quality, or fitness for any particular purpose. The information in this document is
subject to change without notice. Retrotec reserves the right to make revisions to this publication
without obligation to notify any person or entity of any such changes.
DucTester, Infiltrometer, FanTestic are Trademarks of Retrotec Inc. Other trademarks or brand names
mentioned herein are trademarks or registered trademarks of their respective owners.
Table of Contents
Important equipment-related safeguards .......................................................................... 7
Important occupant safeguards during testing ................................................................... 7
1.
DucTester System Equipment ....................................................................... 9
Duct testing systems (US240, EU240, UK240) ..................................................................... 9
1.1
The calibrated DucTester fan .................................................................................. 9
1.1.1.
Range Configurations ............................................................................................ 10
1.1.2.
Retrotec calibrated fan: Model 200 ...................................................................... 11
1.2
Digital Gauge ........................................................................................................ 12
1.3
Flex Duct .............................................................................................................. 12
1.4
Additional included duct testing equipment .......................................................... 13
1.4.1.
Grill Mask for sealing registers ............................................................................. 13
1.4.2.
Umbilical for connecting fan and DM-2 gauge ..................................................... 13
1.4.3.
Flange for connecting flex to ductwork at register .............................................. 13
1.4.4.
Toolbag keeps all testing components in one place ............................................. 14
1.4.5.
Tubing Accessory Kit ............................................................................................. 14
1.4.6.
Power Cord ........................................................................................................... 14
1.4.7.
9v Power Supply adapter for charging DM-2 gauge ............................................. 14
1.4.8.
Additional accessories for the DucTester ............................................................. 15
2.
Why measure Duct Leakage? ...................................................................... 19
2.1
Energy loss ........................................................................................................... 19
2.2
Duct sealing saves money ..................................................................................... 19