Champaign Roofing: Article About Benefits Of an Attic Fan
Most people don't spend a lot of time in their attics. They may climb up there once or twice a year to get down the Christmas decorations or stow some old boxes. It may not seem as important to maintain the climate in the attic as it is to keep the living areas cool. However, any pockets of hot air in the home can have very expensive consequences. A simple ventilation system with an attic fan can often make all the difference in maintenance and energy costs for Champaign roofing projects.
The stale attic air can reach temperatures higher than 150 degrees Fahrenheit on a sunny day. That is hot enough to damage a roof from the inside out. Humid air from residents' showers and cooking can heat up and create a sauna like effect below the roof. This can cause the roof deck to warp. Shingles may buckle and become stained with mildew. Insulation and even the wood can begin to rot. Vents and an attic fan will expel the moist, warm air and help to keep the space cool and dry.
A large mass of hot air at the top of a house gives the air conditioner an extra burden. As it cools air in the lower stories, energy dissipates from above to heat that same air up again.
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When the AC system has to run longer and harder, it needs more energy and more frequent repairs. Homeowners with well ventilated attics pay an average of 20 percent less on utility bills.
A healthy ventilation system includes adequate air intake and exhaust. This is usually achieved by vents under the eaves to admit fresh air as an attic fan forces out the old. If a house does not have a system in place, installing one can seem like a daunting project, but it will pay for itself over and over in energy and maintenance savings.
The benefits of an attic fan go beyond energy savings. A modern home is sealed off from drafts of outside air. This makes climate control more efficient, but it also traps humid air inside the home. The damp, stale air can percolate into lumber and drywall, leading to mold and dry rot. An attic fan with a good ventilation system will dispel that humidity help to maintain a healthy level of moisture in the air. This simple design will go a long way toward increasing the life and comfort of the entire home.