I recently bought an aranet 4 from Canadian Tire, of all places. Here’s my review.
TL;DR: It’s calibrated, convenient, and easy to use, and your indoor CO2 readings may surprise you.
Read more
I recently bought an aranet 4 from Canadian Tire, of all places. Here’s my review.
TL;DR: It’s calibrated, convenient, and easy to use, and your indoor CO2 readings may surprise you.
Read more