My new Windmill WhisperTech was a breeze (ha!) to install! Compared to my old unit, this new device is so QUIET. I never fully appreciated how loud my old AC unit was until I installed the WhisperTech. I would strongly recommend downloading the user-friendly app, which helped me set up and control the new unit. Based on my experience, I am going to purchase a second WhisperTech for my elderly parents.