Air Sealing
Air sealing is an energy‑saving technique that closes gaps and cracks in a building envelope to reduce air leakage. It improves comfort, lowers utility bills, and helps HVAC systems run more efficiently by keeping conditioned air inside.
💡 Key Takeaways
- ✓Air sealing is an energy‑saving technique that closes gaps and cracks in a building envelope to reduce air leakage. It improves comfort, lowers utility bills, and helps HVAC systems run more efficiently by keeping conditioned air inside.
- ✓A professional energy audit helps identify the most impactful leaks.
- ✓Start with attic and basement leaks, which are often the biggest sources of air loss.
- ✓Maintain proper ventilation so sealing does not reduce indoor air quality.
Air Sealing
/ˈɛər ˈsiːlɪŋ/
Definition
Air sealing is an energy‑saving technique that closes gaps and cracks in a building envelope to reduce air leakage. It improves comfort, lowers utility bills, and helps HVAC systems run more efficiently by keeping conditioned air inside.
Why does air sealing matter for energy bills?
Air sealing reduces drafts and uncontrolled air loss, so your HVAC system runs less to keep the home comfortable.
Source: The Cooling Company
Quick Facts
How Air Sealing Works
Seal leaks around doors, windows, attics, and ductwork first.
Real-World Application
Homeowners often seal attic hatches, window gaps, and duct connections to reduce drafts, improve comfort, and lower energy use.
Pro Tip
Air seal before adding insulation so the insulation works at its full performance.
“Air seal before adding insulation so the insulation works at its full performance.”
Important Things to Keep in Mind
- A professional energy audit helps identify the most impactful leaks.
- Start with attic and basement leaks, which are often the biggest sources of air loss.
- Maintain proper ventilation so sealing does not reduce indoor air quality.
Did You Know?
Air leakage in many homes can equal leaving a window open year‑round.
FAQ
Where should I start air sealing?
Start with the attic and basement because they usually have the largest leaks and biggest impact on energy loss.
Can air sealing reduce indoor air quality?
It can if ventilation is poor. A professional can balance sealing with proper ventilation to keep air healthy.
Is air sealing a DIY project?
Small leaks can be DIY, but an energy audit helps you prioritize the biggest savings and avoid missing hidden leaks.
Related Services
Need help with air sealing? Our licensed technicians in Las Vegas are ready to assist.
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