The Windmill Air Purifier doesn’t have that problem — when it’s at lower speeds. The low setting is undetectably quiet, and one step up doesn’t bother me. But the high setting is pretty ...

July and Windmill. At first glance, the window units look pretty similar — sleek and not bulky — and are both marketed as efficient, quiet, easy to install and straightforward to operate.

The Windmill Air Purifier is a small yet impressive air purifier. It successfully cleans the air, is user-friendly, has a quiet operation, and is one of the best looking air purifiers I've ever ...

Windmill ACs use the refrigerant R32, which is better for energy efficiency and the environment than the commonly used R410a. So, my electricity bill was pretty reasonable, despite my forgetfulness.