How to Get an Aroma360 HVAC Diffuser for Free
TL;DR — Aroma360 HVAC diffusers run $720–$1,800, but you can get one free by signing up for their monthly oil subscription — a decent deal if you're already sold on their scents. We've also been testing the Pura Smart Diffuser as a more flexible alternative. Read the subscription fine print before you commit. When you …