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It's a safe bet to say that you'd like a cost-effective way to:
- Increase comfort in your Omaha-area home year round
- Create a healthier indoor environment for your household
- Improve the durability of your house
- Reduce heating and cooling costs
Air sealing is your number one defense against heat loss, but it doesn't eliminate the need for proper insulation. High-performance insulations such as spray foam can do two jobs in one: seal the home leaks AND insulate the walls, ceiling or floor at the same time.
Air sealing offers quick and effective improvements to your home that will pay you back quickly and for years to come. Air sealing work can be as simple as using caulking and weatherstripping to block off air leakage locations in walls, ceilings and floors.
How Home Air Leakage Occurs
Air leakage occurs when there is a pressure difference between the interior heated or cooled (conditioned) air in your house and the exterior air. Pressure differences cause outside air to be pulled into your house while conditioned air is pulled out. When air is pulled into the house, it's called infiltration. When it's pulled out of the house, it's called exfiltration.
The rate at which air moves through your house is dependent on how cold and windy it is outside. The worse the Nebraska winter, the more you are aware of air leakage problems. Colder air and stronger pressure differences drive what's known as the "stack effect," causing drafts and cold spots in the lower part of the house, while the upper part can be too warm.
When it's warmer and less windy, there's less air movement through the house which can lead to poor indoor air quality. Omaha summers are hot and humid, you want your air conditioner to be cooling your house, not Nebraska.
Where to Begin?
Because heat always rises, it's a good idea to start with attic sealing. This alone can help short-circuit a significant amount of heat loss due to the stack effect. Other areas that need to be addressed include basement headers and the openings around windows and doors.
Our Whole-Home Approach
A comprehensive energy audit from American Energy Advisors will clarify the problem air leakage areas in your house.
At AEA, we know that the house works as a system. Controlling air leakage in houses is not only key to controlling heat loss, it is also key to controlling moisture levels. Moisture moves in three ways: with air currents through holes and cracks in the building, by heat transfer, and by diffusion through materials.
Air movement is responsible for 98 percent of moisture movement, so carefully sealing air leakage areas with the correct materials is a very effective moisture control strategy.