Duct Sealing Services

Stop Losing Air — Seal Your Ducts for Better Comfort and Efficiency

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Leaky ducts can waste up to 30% of your heating and cooling energy. Thermo Shield’s professional duct sealing service locates and seals hidden air leaks to improve airflow, reduce energy waste, and keep every room consistently comfortable.

Stop Air Leaks Where They Start

Every time your HVAC runs, air escapes through cracks and seams in the ductwork — especially in hot attics. That means longer run times, higher bills, and rooms that never quite feel right.

Why Duct Sealing Matters

  • Reduces energy waste and utility costs.

  • Balances room temperatures throughout your home

  • Keeps dust and insulation fibers out of you airflow

  • Lightens the load on your HVAC system, extending its life.

  • Helps your air conditioner run cooler and quieter.

Why Choose Thermo Shield for Duct Sealing?

SRP preferred Contractor
Energy Star Century Club Award
Stabilize Cellulose Insulation
BPI Certified
Lifetime Warranty

The Thermo Shield Difference

Signs You May Need Duct Sealing

  • Uneven room temperatures

  • Excessive dust or musty odors

  • Weak airflow from vents

  • Rising energy bills

  • Hot or cold spots near vents or registers

Want Peak Performance?

We recommend pairing duct sealing with:

  • Duct Cleaning – Clear out dust and buildup after leaks are sealed
  • Attic Air Sealing – Prevent air loss before you insulate

Get a Free Duct Evaluation

If your home’s airflow feels uneven or your energy bills keep rising, duct sealing could make a big difference. Our team will inspect your ducts, identify leaks, and show you how much air (and money) you could be losing.

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