Most experts say that one 1 square foot of ventilation is needed for every 300 square feet of attic. That said, if the house ...

Q–We recently moved into a 35-year-old English brick home. We plan to insulate the 900-square-foot attic this winter, then begin finishing it in spring. But a recent attic inspection found large ...

Attic ventilation also prevents warm indoor temperatures and rising heat from warming up roofs during the winter, creating the freeze-thaw pattern that results in ice dams. Improving attic air flow ...

* Check to make sure that the attic is well insulated--R-38 minimum, and more if you live in a cold climate. * Control air infiltration by installing gaskets at electrical outlets and switches.

The temperature in the attic at any time or season should be within 10 to 20 degrees of the outdoor air and relative humidity should be comparable. To accomplish this, we move air through the ...

What should the relative humidity be in a house attic? ... So from that standpoint it does seem as though the ventilation system--though it is not ideal, ...

Does lowering your utility bill, improving your home's comfort, cutting down on moisture and mildew, preventing an ice dam or a roof leak and extending the life of your roof ...

Cross ventilation can be used to reduce the need for summer air conditioning by letting cool air into the home during the breezier morning and evening hours.

The heat in the attic only affects 10% of the air conditioning bill in one month. Homeowners will never achieve a return on investment by adding thousands of dollars for remedies that will not work.

Let me start off by telling you a couple of insulation and ventilation facts that will help you evaluate your specific home. Approximately 70 percent of all heat loss escapes through the attic.