QBits Notice

• Knowledge Base

• 3.6 Release

  
  Articles and resources specific to the 3.6 release in April 2026.

• Troubleshooting

  
  For articles that have to do with troubleshooting common device issues and permissions that affect the app.

• Integrations

  
  This category is for articles that have to do with any 3rd party integrations outside of mQ. ServiceTitan, Housecall Pro, and more!

• Getting Started

  
  Guides for new users: registration, first test, app navigation, and role-based walkthroughs

• Smart Tools & Probes

  
  Connecting, pairing, and selecting Bluetooth instruments for use with measureQuick

• Using measureQuick

  
  Diagnostics, workflows, projects, cloud storage, reports, and app settings

• Account & Support

  
  Login, password reset, subscriptions, Premier Services, and contacting support

• Reference

  
  Release notes, legal documents, HVAC terminology, and calculation methods

• Recent Articles

• Testing Two-Stage and Multi-Stage Systems (Why Only One Set of Gauges Shows)

  If you connected two sets of probes to a two-stage or multi-circuit system but measureQuick only shows one set of readings, the app is working as designed: it displays one active stage at a time. To test staged equipment you profile the system with ...

• How to Set Up and Test a Mini-Split in measureQuick

  This guide answers "how do I test a mini split system" in measureQuick: which workflow to choose, where the probes go, and how to read the results. It applies to mini split, multi split, ductless, and VRF systems. Mini-splits do not test like ducted ...

• Finding a Lost or Misplaced Probe with Tool Tracker

  Lost your gauges and wondering if there is a way to track them? Tool Tracker can show where your gauges, probes, and other Bluetooth smart tools were last detected. Left a probe on a rooftop or in a customer's attic? Tool Tracker shows where each of ...

• How to Create and Use Custom Checklists

  Custom checklists let your company add its own required steps, photos, and notes to measureQuick workflows, so every technician completes the same items on every job. Checklists are a Premier Services feature, introduced in version 3.6. Checklists ...

• ServiceTitan Tagging Guide

  Using ServiceTitan tags in measureQuick measureQuick can automatically tag your ServiceTitan® jobs when specific tasks occur — such as opening or closing a project, completing a system score, or recording system vitals. These automated tags make it ...

• Popular Articles

• How is the Estimated Airflow Calculated

  How is the Estimated Airflow Calculated? First, probe placement is critical! See Proper Wireless Probe Placement for diagrams. Insert the supply up into the closest supply register and the return air probe at the face of the return. You need to go ...

• measureQuick Version 3.0 Release Notes

  Version 3.0.34 No more delays when opening mQ when there's bad Internet quality Fix for Elite Air Filters by Zephyr integration features so that proper content shows up Range indicators for reporting ON by default for new app installs (up and down ...

• Proper Wireless Probe Placement for Accurate Diagnostics in measureQuick

  Proper Wireless Probe Placement for Accurate Diagnostics in measureQuick measureQuick at its core is a fancy computer. To get the right answers out, you have to put the right information in, meaning the probe placement is critical. Note: When placing ...

• measureQuick 2.5 Release Notes

  Welcome to mQ2.5! Here's what's new! 2.5.130 Release notes Version 2.5.130 was released Wednesday, March 20th, with the following new features: JB Climate Class wireless probes support Yellow Jacket YJACK wireless probes support View Gauge & ...

• The difference between Suction line & Vapor line

  The Difference Between Suction Line and Vapor Line The suction line is to return gas to the compressor. It is between the evaporator and compressor on a standard cooling system and between the reversing valve and the compressor on a heat pump. On a ...