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\nShould you run your heat- or energy-recovery ventilator (HRV or ERV) in the summer?\u00a0 The answer depends on your home\u2019s air conditioning system, your ERV wall control, the outdoor temperature and, most importantly, the outdoor relative humidity.<\/p>\n
As a rule of thumb, if you are more comfortable outside than inside your house, you should run your air exchanger in the summer.<\/p>\n
First, let\u2019s talk about ERVs.\u00a0 An ERV works by exchanging your indoor air with fresh outdoor air, while recovering part of the heat and moisture difference in the airstreams.\u00a0 Simply put, your ERV keeps the heat and humidity where they are. In summer, the heat and humidity are outside and your ERV will keep most of it from getting inside with your ventilation air.<\/p>\n
If your indoor air and the outside air have about the same temperature and relative humidity (for example, if you keep the windows open), there is really no need to run the ERV in order to have good indoor air quality.<\/p>\n
However, if you have air conditioning and the indoor air is cooler and dryer than the outside air, it is generally a good idea to run your ERV intermittently throughout the day.\u00a0 Assuming you keep the windows closed while the AC is running, you\u2019ll be needing fresh air to prevent CO2 buildup and to avoid that stale \u201cairplane cabin\u201d smell.\u00a0 You can run your Aldes ERV intermittently depending on your wall control:<\/p>\n
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