Buying an HRV (Heat Recovery Ventilator)
A heat recovery ventilator (HRV), sometimes called an air-to-air heat exchanger, is different than conventional vents and fans. With standard ventilation, air circulates through static, open vents or is expelled by fans, such as those used in bathrooms, kitchens, and attics. When room air escapes or is expelled, the energy that was used to heat […]