Attic Insulation & Air Sealing by First Defense Insulation in DFW

Your reliable, certified insulation experts providing the best defense for your home.

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35 Years of Combined Experience

First Defense Insulation is proud to make your home more comfortable and efficient, and to help save you money on your utility bills! We offer trusted attic insulation, air sealing, duct sealing, and duct cleaning services to homeowners. First Defense Insulation provides FREE estimates for our broad range of services.

Attic Insulation Houston

Attic Insulation

Attic insulation upgrades improve home comfort and energy efficiency

Attic Insulation & Air Sealing by First Defense Insulation

Air Sealing

Air sealing improves energy efficiency and home comfort
Spray Foam Duct Insulation Services | Attic Insulation & Air Sealing by First Defense Insulation

Duct Insulation

Maximize HVAC performance and energy efficiency with quality duct insulation

Book a free estimate with First Defense Insulation today!

Attic insulation experts serving DFW

Proper attic insulation, air sealing, and duct sealing services offer a broad range of benefits for you and your home

Save money on utility bills

Lose less energy from your heating and cooling efforts with effective insulation, ducts, and air sealing

Increase home comfort

Enjoy more consistent temperatures throughout your entire home

Increase energy efficiency

With proper protection from the outside elements, your HVAC systems will be able to operate more efficiently, using less power to reach the desired temperature

Increase indoor air quality

Eliminate air leaks in your insulation that may lead to mold growth and noise pollution

Our Service Areas

Book a free estimate with First Defense Insulation today!