Should Hrv Run Continuously

HRVs and ERVs do require energy to run, but this energy is offset by the heat recovered from the exhaust air. … To ensure that you home is well-ventilated and maintains good air quality, your HRV and ERV should run continuously.

When should I turn my HRV off?

In a nutshell, you should shut off the HRV humidistatic control as soon as the furnace is not being used on the heat setting. You’ve noted that you open the windows in the shoulder seasons, which will passively add significant fresh air and naturally dry the warm air inside the cottage.

How much should I run my HRV?

We recommend setting your HRV system to “minimum” or “vent.” You can also program them to run intermittently or on what’s known as a “20/40” option, which means the HRV system will run for 20 minutes of every hour to ensure you have a constant flow of fresh air in your home.