Honeywell HW-628 Enviracaire Twin Window Fan

Honeywell HW-628 Enviracaire Twin Window Fan Order Now Honeywell HW-628 Enviracaire Twin Window Fan I got three different brands to test. One was this model, another was a Holmes (with digital display), and another was a brand called Hawaiian Breeze. The Honeywell was bar far the better quality unit, even though it was between the price ranges of the other two. The fan motors did not have an annoying hum like the Holmes model. And instead of the extension that clumsily slips on the left of the other two units I tested, the Honeywell model had built-in extensions in both sides.