Air Duct Sealing in Mount Pleasant

Over 20 Years of HVAC Experience

In homes with forced-air heating and cooling systems, ducts distribute conditioned air throughout the house. In a typical house, however, about 20 percent of the air that moves through the duct system is lost due to:

The result is higher utility bills and difficulty keeping the house comfortable, no matter how the thermostat is set. A well-designed, properly sealed duct system can make your home more comfortable, energy efficient, and safer. Contact our air duct sealing experts for a quote to seal your home's ducts and improve the performance of your heating and air conditioning systems.

What is Air Duct Sealing?

Call us at (843) 480-2033 or fill out the form below to schedule a service!

Benefits of Professional Air Duct Sealing

Whether it’s a residential or commercial HVAC system, sealing your air ducts helps it run more efficiently and improves comfort throughout your home.

Lower energy bills

Prevents heated or conditioned air from escaping, reducing wasted energy.

Improved home comfort

Delivers consistent temperatures and better airflow to every room.

Better indoor air quality

Helps keep dust, allergens, and pollutants from entering your duct system.

Reduced strain on your HVAC system

Improves system efficiency and can help extend equipment lifespan.

More even heating and cooling

Eliminates hot and cold spots caused by air duct leaks.

Increased overall efficiency

Ensures the air you pay to heat or cool actually reaches your living spaces.

What Lowcountry Locals Have to Say

John Swanson
First company I will ever call if I have a heating/air issue in my home. They have been more than reliable and trustworthy every time I call. They will be straight and honest - if you have a problem, and it should be repaired by the previous company under a warranty, they are willing to turn away business for what's best for a customer. This is how you win clients over and get great reviews. Thanks, Damian and team, for providing that great customer service that you don't see much these days.
Paola Peirano
Dunes Heating and Air Conditioning, LLC always provides the best service! wonderful customer service and great prices.
Keith Keohane
As always, Damian & Dunes Heating and Air Conditioning, LLC have been awesome with their product recommendations, service, and follow-up. Highly recommend based on their continued support.

Air Duct Sealing FAQ

Signs include uneven temperatures, high energy bills, weak airflow, excessive dust, or rooms that never feel comfortable.

Sealing leaky ducts helps reduce energy waste, improve comfort, and allow your HVAC system to operate more efficiently.

Most duct sealing services can be completed in a few hours, depending on your home’s size and the condition of its ducts.

Sealed ducts prevent conditioned air from escaping, thereby reducing monthly utility costs.

Properly sealed ducts help prevent dust, allergens, and pollutants from entering your HVAC system and circulating through your home.

Professional air duct sealing services are minimally invasive and typically completed without significant disruption to your home.

When done professionally, duct sealing can last for many years with routine HVAC maintenance.

Duct sealing prevents air leaks, while duct cleaning removes debris. They address different issues and can work together.

Older homes often have more air leaks due to aging ductwork and past installation practices.

Even newer systems can have leaky ductwork, especially if ducts were not properly sealed during installation.

Values We Stand Behind

Why Dunes Heating and Air Conditioning, LLC?

Trained and Certified Technicians
Trained and Certified Technicians
Licensed, Bonded, and Insured
Licensed, Bonded, and Insured
Financing & Specials Available
Financing & Specials Available
Available for Emergency Services
Available for Emergency Services
Honest and Upfront Pricing
Honest and Upfront Pricing
In Business Since 1998
In Business Since 1998
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