It was time for a major spring cleaning of the HRV (heat recovery ventilation) whole house continuous fresh air ventilation system. All filters were replaced and the heat exchanger core got a bath. Now the system is ready to tackle all the pollens in the air to help the ones with allergies breathe easy.

Fresh Air System with Heat Recovery Ventilation (HRV). It is time to change the filters MERV-13 filter at the Comfoair and at the returns.