Erv Instead Of Bathroom Fan

Differing air flows through the hrv erv can occur due to pressures created by the central air handler in the trunks.

Erv instead of bathroom fan.

Panasonic makes a specific bathroom erv panasonic whispercomfort spot erv fv 04ve1 the other alternative is to use both a bathroom fan for spot exhaust on a timer and a separate hrv or erv. Often will add bath fans if the hrv size doesn t allow a boost rate of at least 50 cfm per bathroom. I m thinking of the qufresh fan made by air king. We ve managed to set up the erv to run the exhaust fan continuously but this then causes other problems.

Don t need a 200 cfm hrv in most cases even for large houses in terms of normal ventilation rates 62 2 2010 not 62 2 2013. The dueling pressures can significantly reduce ventilation effectiveness. I have a panasonic bath fan with a 30 min timer and a fantech erv set to 0 35 ach. Wall fans blow air from the bathroom into the room on the other side of the wall then sucks the clean dry.

Alternatives to ducted bathroom fans wall fans. This is what i am running. But when the erv hrv is not running the homeowner should be able to have a switch in the bathroom s to run the unit when it is not otherwise in run mode or some type of override switch to. You don t have to worry about any electrical wiring or mold buildup because it is a.

You can do this with a bath fan installed to blow air into the home or you can use a fan made specially for this task. Pair a supply fan with the exhaust fans another way to get balanced ventilation is to use the exhaust fans with controls and also install a supply fan. A window is a simple option.