CO2 Monitors Now Available for Borrowing

You can now borrow a free CO2 Monitor from the Library, just like you would borrow a book

You can now borrow a free CO2 Monitor, opens a new window from Halifax Public Libraries, just like you would borrow a book. This new addition to our Beyond Books, opens a new window collection helps users measure indoor air quality. 

CO2 Monitors are simple, handheld tools that read carbon dioxide (CO2) levels in your spaces. High CO2 levels can mean that ventilation is insufficient for the number of people present. A reading can indicate if action is required to ensure a room is adequately ventilated and has access to clean, fresh air.  

Battery-powered and portable, CO2 monitors are a great way to proactively keep an eye on air quality. Knowing the levels of CO2 present in your home or workspace can help lower your risk of airborne infection, and alert you to symptoms caused by poor ventilation—such as tiredness and headaches. 

To learn more, download our CO2 Monitoring for Indoor Air Quality Fact Sheet (PDF)., opens a new window

This collection has been made possible by funding and resource support from the Community Access to Ventilation (CAVI, opens a new window) Canadian CO2 Monitor Expansion Program. Halifax Public Libraries is grateful for this support. 

Please note: The CO2 Monitors are not carbon monoxide detectors and are not life safety devices.  

What’s included 

  • Aranet4 CO2 Monitor  
  • Batteries 
  • Quick Start Guide  
  • Travel Case 

How to borrow 

CO2 Monitors have a loan period of 7 days, and can be checked out using your library card the same way you borrow books, DVDs, and other special Library items. 

You can borrow and place your holds through our website, opens a new window, or talk to staff at your local branch. If you can't make it to one of our locations, the Library has other options for you to borrow and return items too, opens a new window. 

CO2 Monitor Screening Tool

Additional resources 

Have you borrowed a CO2 Monitor? Tell us about your experience, we’d love to hear what you think! Take the Survey, opens a new window.