Duct Replacement Services in Bellingham

Integrity is at the heart of everything we do at Andgar Home Comfort.

Book your duct replacement today and enjoy:

• Convenient 2-hour appointment windows
• Excellent financing opportunities through our partners
• Upfront pricing—no extra fees or costs after service

A Reputation for Integrity Nine Decades in the Making

Is your ductwork beyond repair? Andgar Home Comfort custom fabricates and installs ductwork sized for your home, so air reaches every room the way it should. Every installation includes a 1-year workmanship guarantee, and financing is available through our lending partners if you need it.

Andgar Home Comfort maintains a 4.9 rating on Google and more than 1,000 five-star reviews from across Bellingham.

4.9/5 Google My Business Reviews (GMB) | Top 1% Licensed Contractors in WA (BuildZoom) | A+ Accredited Business (Better Business Bureau) | 96% Recommend Andgar (Facebook)

How Much Does a Ductwork Replacement Cost in Bellingham?

Prices Starting at: $1,500

What factors affect the cost of a duct replacement?

Total duct run length: The total length of ductwork your home needs may affect the overall price of installation. We map out your home's duct system before providing a price, so you have an accurate picture from the start.

Duct material selected: The type of duct material you choose may affect the overall price of the project. We walk you through the material options available, so you can choose what fits your home and your budget.

Insulation requirements: Whether your new ductwork needs added insulation may affect the overall price of installation. We assess your home's insulation needs during the estimate, so it's accounted for from the start rather than added on later.

The Best-Trained Technicians in Bellingham

Did you know that Andgar Home Comfort has our own training academy? It’s called Andgar University, and it helps ensure the highest quality training for our experts.

In addition to the hands-on training our technicians receive at Andgar U, every HVAC technician is expected to earn their NATE certification, a national 3rd-party accreditation proving mastery over the mechanical trades.

The end result is a system that lasts longer and performs better than ever.

Meet the Andgar Home Comfort Sales Team

We’ve got the best and most trustworthy estimators in the business.

John Dudley | Chad Brink | Brad Quatsoe

Enjoy Comfort Now, Pay Over Time

A new system does not have to mean paying the full cost all at once. Flexible financing options let you get the comfort your home needs today, with a payment plan that fits your budget.

Duct Replacement Help Center

How do I know if I need duct replacement instead of a repair?

A few signs can point toward full replacement, including ductwork that's damaged throughout the home, ducts made from outdated or deteriorating materials, or a system that continues to have issues despite repeated repairs. Widespread damage is often more practical to address through replacement than through repeated individual fixes. A full inspection is the clearest way to know which option actually fits your home. Andgar Home Comfort technicians assess the full system before making a recommendation either way.

How long does a duct replacement project take?

The timeline depends on the total length of ductwork being replaced and how accessible your home's existing duct system is. Homes with more complex layouts or limited access points may require additional time to complete the work properly. Larger homes naturally take longer, simply because there's more ground to cover. Andgar Home Comfort maps out your duct system before providing a price, so the timeline is clear from the start.

What duct material is best for my home?

The best material depends on your home's layout, budget, and specific airflow needs, since a few reliable options exist on the market today. Common choices include sheet metal and flexible ducting, each offering different advantages depending on the installation. Some materials perform better in certain spaces than others, particularly in tight or irregular areas. Andgar Home Comfort walks you through the material options available, so you can choose what fits your home.

Will new ductwork need added insulation?

Some homes benefit from added insulation as part of a duct replacement, particularly in unconditioned spaces like attics or crawlspaces where temperature differences can affect performance. Whether insulation is needed depends on where the ductwork runs through your home. This is worth addressing during installation rather than as an afterthought, since retrofitting insulation later is far less convenient. Andgar Home Comfort assesses your home's insulation needs during the estimate, so it's accounted for from the start.

Serving Whatcom, Skagit, and North Snohomish Counties

Service Available 24/7

We are available 24/7 (even holidays!) for all of your emergency HVAC and plumbing needs.

Office Hours

Mon – Fri: 8:00 AM – 4:30 PM

Closed Saturday and Sunday

Anacortes, Arlington, Bellingham, Blaine, Bow, Burlington, Concrete, Custer, Deming, Ferndale, Glacier, La Conner, Lummi Island, Lynden, Mount Vernon, Orcas Island, Point Roberts, Sedro-Woolley

Home Service with Heart

24/7 Service | Free Estimates | Fair Pricing