Studor Air Admittance Valves (AAVs) are negative pressure-activated, one-way vents, used in a drainage system to eliminate the need for passive pipe venting and unsightly, costly roof penetrations.
Emmett, ID Weather. The average temperature of Emmett is 50.41Â°F, which is higher than the Idaho average temperature of 46.32Â°F and is lower than the national average temperature of 54.45Â°F. Topics:Heating Cost IndexCooling Cost IndexHistorical TemperatureHistorical PrecipitationHistorical SnowHistorical HumidityHistorical Wind Speed.
1 The lowest monthly average temperature in Boise for December is 30 degrees. 2  The most monthly precipitation in Boise occurs in December with 1.9 inches.  The air quality index in Boise is 27% better than the national average.