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Proper attic ventilation can save energy, increase comfort, and protect your home investment year-round. During summer months, without proper insulation and ventilation, heat can quickly build up in your attic space and eventually penetrate into living areas causing your cooling system to work harder and consume more energy.
In cooler weather months during rain and snow seasons, air movement prevents moisture from building up in your attic. If left unaddressed, moisture can wreak havoc on your home structure including your attic flooring, wall joists, and roof sheathing resulting in thousands of dollars in repair costs.
To keep your attic cool and dry you need effective attic air circulation. Effective air circulation is accomplished by incorporating both exhaust and intake vents in your attic.
Exhaust vents allow attic air to escape. Intake vents allow fresh air to enter your attic space (not your living space). For maximum circulation, adding a powered exhaust fan (attic fan) will significantly improve the air flow by sucking stagnant air out of your attic and replacing it with fresh air that it pulls in through available intake vents.
Many people think that moisture is only a consideration in the humid summer or during raining seasons. This is not true. In the winter, we experience cold temperatures requiring us to run our heating systems for months. The warm air that is generated to keep living areas comfortable will eventually rise to your attic. Your attic insulation will help resist some of that heat, but not all of it. When the hot air rises into your cold attic space and mixes with stagnant cold air, condensation can occur.
We always recommend you install a powered attic fan with a humidstat controller. The humidistat control will monitor the humidity in your attic space and activate the fan to ventilate your attic when humidity reaches a specified level.
Not sure about your attic air circulation? Give us a call for a free ventilation assessment. We will provide you with recommendations to achieve maximum air circulation and proper attic ventilation including intake vents, static roof vents, powered attic fans, and bathroom exhaust fans.
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