Air that leaks through your home’s envelope – the outer walls, windows, doors, and other openings – wastes a lot of energy and increases your energy costs. A well-sealed envelope, coupled with the right amount of insulation, can make a real difference on your utility bills.
Reducing the amount of air that leaks in and out of your home is a cost-effective way to cut heating and cooling costs, improve durability, increase comfort, and create a healthier indoor environment. Caulking and weatherstripping are two simple and effective air-sealing techniques that offer quick returns on investment, often one year or less. Caulk is generally used for cracks and openings between stationary house components such as around door and window frames, and weatherstripping is used to seal components that move, such as doors and operable windows.
What is Air Leakage?
Air leakage occurs when outside air enters and conditioned air leaves your house uncontrollably through cracks and openings. It is unwise to rely on air leakage for ventilation. During cold or windy weather, too much air may enter the house. When it is warmer and less windy, not enough air may enter, which can result in poor indoor air quality. Air leakage also contributes to moisture problems that can affect the health of the occupants and the durability of the structure. An added benefit is that sealing cracks and openings reduces drafts and cold spots, improving comfort.
The recommended strategy is to reduce air leakage as much as possible and to provide controlled ventilation as needed. Before air sealing, you should first detect air leaks and assess your ventilation needs for indoor air quality.
You can then apply air sealing techniques and materials, including caulk and weatherstripping. If you are planning an extensive remodel of you home that will include some construction, review some of the techniques used for air sealing in new home construction and consider a home energy audit to identify the ways that your home wastes energy and money.
Why seal and insulate?
Sealing leaks and adding insulation can improve the overall comfort of your home and help to fix many of these common problems:
Know your ducts
In houses with forced-air heating and cooling systems, ducts are used to distribute conditioned air throughout the house. But in the typical home, about 20% of the air that moves through the duct system is lost due to leaks, holes, and poorly connected ducts. The result is higher energy bills and difficulty keeping the house comfortable, no matter how the thermostat is set.
Some signs that your home may have leaky, poorly insulated, or inefficient ducts:
Having your home properly air sealed is critical to your energy conservation efforts and greatly impacts your utility bills. You can save big on your energy costs by air sealing multiple points of your home where energy losses occur. Fixing these problems also improves your comfort, eliminates moisture problems, and improves the air quality within your home.
A professional home energy audit by a certified contractor, such as Green ID, is the best way to evaluate your energy consumption, providing you with a comprehensive assessment of your home’s energy performance. This energy audit performed by a professional energy auditor using diagnostic equipment will provide you with detailed information and a plan of action for how to improve your home, cut down energy consumption, and save money.
If you think that your home needs to be air sealed, call Green ID today at
(602) 926-1650 for more information or to schedule your home energy audit and start saving!
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