Professional Duct Sealing Services in Yakima
Ellensburg, Cle Elum & the surrounding areas
Give us a call today: 509-248-8368Welcome to ThermAll Heating, Cooling & Electric, Cooling & Electric’s dedicated page for duct sealing in Yakima and Ellensburg, WA. Sealing your air ducts is one of the most effective ways to boost home comfort, improve HVAC efficiency, and lower energy bills.
- Family Owned Since 1988
- Committed to Quality Workmanship
- Backed by a 100% Guarantee
Leaky ductwork can lead to significant air loss, up to 30% in some homes, forcing your system to work harder while rooms stay too hot or too cold. Our duct sealing services close gaps, joints, and weak spots to help restore balanced airflow and consistent indoor temperatures.
Schedule a duct sealing appointment today and make every room feel just right.
Why Duct Sealing Makes a Big Difference
When conditioned air escapes through unsealed ducts, your HVAC system struggles to keep up. That leads to energy waste, uneven heating or cooling, and increased wear on equipment. Sealing ducts helps preserve the air you pay to condition, making your system more effective and your home more comfortable.
Our team uses durable, tested sealing materials and proven techniques to eliminate leaks and improve duct integrity. We assess your system thoroughly before sealing and test performance afterward to ensure results.
Take control of your comfort—duct sealing is a smart and affordable upgrade.
Our Process: Detailed, Professional, and Lasting
We begin with a full inspection to locate leaks and weak points. Using high-quality sealants and joint reinforcements, we seal all accessible sections of your duct system. In some cases, we may recommend improvements to insulation or layout for better overall efficiency.
Once complete, we test airflow and ensure that the sealed system is delivering improved performance across every register.
The result: better comfort, reduced dust, and lower energy usage—all from one service.
Improve your ductwork without major construction—ask us about our proven sealing solutions.
Why Homeowners Choose ThermAll Heating, Cooling & Electric for Duct Sealing
At ThermAll Heating, Cooling & Electric, we’ve been helping Yakima and Ellensburg homeowners optimize comfort and energy savings for over three decades. Our technicians are known for their honesty, professionalism, and clear communication.
We offer free second opinions, provide fair and transparent quotes, and complete each job with care. Our work is backed by a 100% satisfaction guarantee and trusted by hundreds of homeowners across Central Washington.
Our reputation is built on:
- A+ Rating from the BBB
- Reader’s Choice Award for Best HVAC Company
- Honest Service and Long-Term Solutions
Book your duct sealing today—maximize your comfort and minimize energy waste.
