Building science research shows one powerful energy improvement that can benefit any home – air sealing. Air sealing is the process of sealing penetration points around the envelope (shell) of the home. Penetration points are a result of the construction process and can be found around vents, chimneys, windows, and more.
ENERGY STAR estimates that proper air sealing techniques and upgraded insulation can save a homeowner up to 20% on heating and cooling costs (or up to 10% on their total annual energy bill). Air sealing has some additional benefits:
- Reduces indoor allergens by helping keep pollen and dust outside the home.
- Helps create a more consistent indoor temperature, reducing hot or cold spots that result from air infiltration.
- Reduces energy bills by keeping conditioned air inside the home, requiring heating and cooling systems to run less often.
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