【Air Vent Size】：The air vent cover inner diameter is 85 mm/3.3 inch, outer diameter is 96 mm/3.8 inch, height of cylinder is 45 mm /1.8 inch; 100mm / 4 inch flat air Vent ventilation grille ...

More elaborate HVAC systems can use roof vents to ventilate the whole building. Simple roof vents are screens installed in the soffits or eaves of the house or a square or triangular louvered gable ...

Improving your home’s attic ventilation can make a big difference in the health of your home. Without proper ventilation, a sealed attic traps excessive heat and moisture, which can lead to mold ...

How to determine whether you need better attic ventilation. In the summer, good attic ventilation reduces heat buildu ...

Ridge vents help release hot air in summer and keep attic spaces cold in winter. They’re a worthwhile investment for homeowners looking to increase energy efficiency, especially those installing ...