How Much To Add Attic Ventilation

Add a dab of cement to secure the shingles to the attic vent cover base.

How much to add attic ventilation.

However the utility of attic ventilation fans is actually quite a controversial topic. The reason we did it was because we wanted to sell our house. Ventilation of attic spaces is required by most building codes as well as by roofing material manufacturers and the national roofing contractors association nrca. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.

Adding a vent to existing ductwork is a diy job. As the ventilation helps moderate the temperatures in the attic this may also help moderate the temperature in the rest of the home it helps prevent moisture buildup in your attic which during colder months can help prevent condensation issues that can affect the materials in the attic space especially insulation. Attic ventilation keeps the air moving and stops mold from growing but too much ventilation can be just as bad as having none. To keep air flowing your roof needs just the right amount of attic ventilation.

Photos 1 6 show how it s done. The downside of attic ventilation fans. Rarely will you find a building practice that works everywhere. The realtor said that they do not count a room as a bedroom unless there is a suitable heat source.

Without exception you should talk to a professional to determine what your home requires. For instance attic ventilation is used widely in cold climates to evacuate the warm moist air that escapes from the living space below. So how much ventilation should you have. Adding attic vents is a simple matter of cutting holes and installing vents.

Ventilation can be accomplished using various products and techniques. We just ran ductwork to our upstairs and it is so wonderful. Attic fan installation costs an average of 593 most homeowners can expect to pay between 369 and 876 depending on the quality of the unit you choose location and add ons the project can run as little as 200 or as much as 1 300. Attic ventilation fans whether hard wired or powered by their own solar panels seem like a low cost and effective way to help keep your house cool.

Intake vents located at the lowest part of the roof under the eaves allow cool. Generally speaking you need a ratio of 1 300 where for every 300 square feet of ceiling space you need 1 square foot of attic ventilation. One reason for the lack of agreement over attic ventilation is the tremendous variation in climate across north america.