![]() ![]() While having plenty of intake (soffit) venting is good, having too much exhaust can actually hinder your goal of cooling the attic air temperature.ģ. This defeats the whole purpose of having low/high vents. This short-circuits the whole concept of air coming in the bottom and out the top.įor example: If you put an electric fan right next to a ridge vent or other passive vent, air can easily come in the ridge vent instead of the soffits. When you mix exhaust vents on a roofline, the strongest vent will dominate the air pull and those other exhaust vents will turn in to INTAKE vents. Air always travels the path of least resistance. WRONG! Choose one type of exhaust vent and go with it because mixing exhaust vents is a bad thing. ![]() The thought process goes something like this: “If I add an electric/solar attic fan to my roof, I can help pull out more hot air from the attic and it will be cooler.” However, if your soffit vents are dirty or clogged then you will have little to no airflow through the attic. These vents allow cool, dry air to enter the attic at its lowest point and as air travels up and out the higher points (ridge, turbine, gables) so that the airflow removes warm, moist air from inside the attic. Soffit venting is your main source of intake for an attic. Honestly, any type of “holes” in the top of the attic will work.Ī good goal with attic ventilation is to have a balanced amount of air coming in to the attic as you have of air leaving the attic it is also ok if you have a little more air coming in than you do going out (ie. However, this doesn’t mean that if you don’t use a ridge vent your ventilation is kaput. If only it were that simple! We believe that the most effective ventilation uses a ridge vent and soffit venting for the attic. ![]() If I have roof vents, I have good attic ventilation. active ventilation, and what you really need to do to have a well-vented attic space that stays cool and dry.ġ. Read on to find out what you need to know about attics, soffit vents, passive vs. Here are six of the most common misconceptions about attic ventilation. Radiant Heat Flooring – Over Conditioned Spaces.Radiant Heat Flooring – Over Non-Conditioned Spaces.Cathedral Ceilings – Hot/Mixed Climates. ![]()
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