Attic Without Ventilation

The venting drip edge seems to be the easiest and most common way to go.

Attic without ventilation.

This will use more energy and make your air conditioner work harder which will increase your summer utility bill. Normal vented air likes to enter the attic lower down near the bottom third of the attic and as it passes through it will exit higher up near the top third of the attic space. When the attic becomes part of the home to be heated and cooled open wall gable vents and roof vents are no longer feasible but the underside of the roof the sheathing and rafters can still. For an attic without soffit vents you may have the option to use gable vents instead.

However if your attic has blocked soffit vents and is not well sealed from the rest of the house attic fans will suck cool conditioned air up out of the house and into the attic. If i had an older home without soffits i would do everything possible to make sure that my attic is properly ventilated. On the principle that hot air rises the accumulated heat and moisture would rise to the attic and out the roof vents. Unless your roofing system has insulation on the roofing deck and is designed without ventilation your furnace should not be heating your attic.

It s a diy project you can tackle in a weekend and the savings you ll get add up every year says toh general contractor tom silva. Poor insulation is usually the culprit although if you enter the attic on sunny winter day your attic space can be warmed by the sun more than your furnace. How to vent an attic with no eaves. If your attic has inadequate ventilation it can act like a heat trap and lead to premature shingle aging warp wood sheathing lead to mold issues and increase your hvac costs.

They call this a venting drip edge. Without adequate ventilation moisture rises with the hot air and forms condensation on the inside of the roof deck. One great alternative to a soffit ventilation system is to install an intake vent right at the lower edge of the roof. This moisture is released into the air inside the house from bathing cooking plants laundry and other causes.

Attic ventilation keeps your house cooler in summer and it prevents moisture from building up in winter and ruining your roof framing and insulation. Looking to learn more about home maintenance.