In the right circumstances, a window air -conditioning unit can be the right option. The primary issue is that your building is not leaky, ensuring this with proper sealing, insulation, and minimal heat gain through your windows. Also, beware of the newest, tech-based options claiming to have improved window unit efficiency. Products like the Aros smart window conditioner units are controlled by an app. Unfortunately, they don’t seem to be any more efficient than high quality programmable conditioners. It is probably wise to hold off an app-based unit until future generations work out the kinks.
Read the full article here: Energy Efficiency Requires More Than an App on Your Smartphone | GreenBuildingAdvisor.com