Heat Recovery Ventilation Systems

A heat recovery ventilator with blue and red colored duct collars.

An expert guide to heat recovery ventilation (hrv) systems, and how they work to ventilate a home without unnecessarily wasting heated or conditioned air. Inside a heat recovery ventilator, one fan draws outdoor air in and another fan blows stale room air outside. Both fans blow the air through a central heat-exchange core that extracts […]