How long does duct installation take?

A full duct installation in a Dunwoody home typically takes one to three days depending on the home's size and complexity. Extending ductwork to a single new room may take a day, while a full-home replacement takes longer. The technician provides a timeline after evaluating your project.

Can I add ductwork to a finished basement?

Yes. Adding duct runs to a finished or semi-finished basement is a common project in Dunwoody. The technician routes new ductwork from the existing system to the basement, properly sized for the space. This provides much better comfort than portable heaters or window units.

What type of ductwork is best?

Most Dunwoody homes use flex duct because it's easier to route through attics and crawlspaces. Rigid metal duct provides the best airflow but needs more installation space. Many homes use a combination of both. The technician recommends the best approach for your home's layout.

Does new ductwork need to be insulated?

Yes. Ductwork running through unconditioned spaces like attics and crawlspaces must be insulated to prevent energy loss. In Dunwoody, attic temperatures get extremely hot in summer, and uninsulated ducts would lose a significant amount of conditioned air before reaching your rooms.

Can my existing HVAC system handle new ductwork?

That depends on the size of the addition and the capacity of your current equipment. A technician evaluates whether your Dunwoody home's HVAC system can handle the additional load. If not, equipment upgrades or a separate zone may be recommended.

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Duct Installation in Dunwoody, GA

One Hour Heating & Air Conditioning® of North Atlanta

Duct Installation in Dunwoody, GA

Duct installation in Dunwoody provides your home with properly designed ductwork that delivers the right amount of heated and cooled air to every room. Whether you're finishing a basement, adding a room, or replacing ductwork that's past its useful life, new ducts make a real difference in comfort.

When Dunwoody Homes Need New Ductwork

Dunwoody homeowners commonly need new ductwork when they're adding living space to their home. Finishing a basement, building a room above the garage, enclosing a porch, or adding an extension all require ductwork to bring heating and cooling to the new area. Homes being renovated extensively sometimes need duct replacement because the existing ductwork is too deteriorated to reuse or wasn't designed for the new layout. In some older Dunwoody homes, the original ductwork has served the house for decades and has reached the point where replacement is more practical than continued patching.

Designing and Installing Ductwork the Right Way

Proper duct installation starts with designing the system to match your HVAC equipment and the layout of your Dunwoody home. Each room gets the right amount of airflow based on its size, location, and heating and cooling requirements. Duct runs are planned to minimize length and bends, which keeps airflow strong and efficient. In Dunwoody homes, ductwork typically runs through the attic or crawlspace, and proper insulation around the ducts is essential to prevent energy loss in those unconditioned spaces. The installation crew ensures that every joint is sealed, every run is properly supported, and the system is balanced for even airflow throughout the home.

Duct Installation for Home Additions in Dunwoody

Adding ductwork to a new room or space in your Dunwoody home requires tying into the existing system without disrupting the airflow to the rest of the house. A technician evaluates whether your current HVAC equipment can handle the additional load and designs the new duct runs to integrate with what's already in place. In some cases, the existing system can accommodate the addition with new branches. In others, equipment upgrades or a separate zone may be needed. The goal is to make the new space just as comfortable as the rest of your home.

About Dunwoody

Dunwoody homeowners are some of the most active home improvers in North Atlanta. With a housing stock that spans decades and property values that make renovation worthwhile, it's common to see additions, conversions, and expansions happening throughout the city. Many of these projects require new or extended ductwork — and doing that work properly is the difference between a comfortable addition and a room that never quite feels right. From the large lots of North Dunwoody to the established neighborhoods near Perimeter Center, homes across the city benefit from well-designed ductwork.

Serving Dunwoody and Surrounding Areas

Our duct installation service covers Dunwoody and surrounding communities including Sandy Springs, Brookhaven, Chamblee, Doraville, Roswell, and Johns Creek. We serve homeowners throughout the Perimeter area and North Atlanta.

Call (404) 689-4168 to schedule service.

Visit our office:

One Hour Heating & Air Conditioning
1360 Union Hill Rd Ste 5F, Alpharetta, GA 30004
(404) 689-4168
Open 24 hours

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Helen Albanese

in the last week

We had central AC added to our home 5 years ago. We decided to get an AC and furnace tune up before the summer. Matt, the technician from One Hour Heating and Air, was on time and polite. He pointed out that our furnace filter had not been changed since 2022. Big oversight by me. Matt explained how the air flows through the furnace and the direction the filter needs to be placed. I marked with a sharpie on the furnace an arrow so I would remember next time. Good piece of mind. Positive experience.

Justin Low

in the last week

I cannot recommend this HVAC company enough. The technician showed up exactly on time and was patient throughout the entire visit. They took the time to answer every single one of my questions thoroughly, making sure I felt completely comfortable with the process. What I appreciated most was their honesty—they gave me several clearly explained options for both repairing my current unit and replacing it. Best of all, they were not pushy and never once tried to upsell me on things I didn't need. It is rare to find such genuine, reliable, and pressure-free service these days. A 5-star experience from start to finish.

Paul Yi

in the last week

Best HVAC team in King County. Professional, reliable, and honest. Alex, the owner, takes great care of his customers. Highly recommend.

Denis

in the last week

I was initially skeptical of working with a franchise, but I was really impressed by how professional, helpful, and punctual their technician, Matthew, was throughout the visit. Pricing was reasonable and I will definitely be going with them for any future HVAC needs.

Max B

a week ago

Really good experience with One Hour. Alex was super communicative from the first call, got us on the schedule quickly and kept us in the loop the whole time. Marklus came out and handled the repair. Technically solid and left everything cleaner than he found it. Never felt pressured to buy anything extra which was refreshing.

vivek savsani

a week ago

We had our heating system stop working during the extreme snow storm, and this company responded quickly. Joe Bonness, who is an expert technician arrived on time, diagnosed the issue fast, and fixed it efficiently. He explained everything clearly and made sure the heat was working perfectly before leaving, even though it was late around midnight. We are very grateful for the quick and professional service during such freezing weather. Highly recommend their service!

Neha

a month ago

Huge thanks to my neighbor Chris for coming over late at night to fix my AC unit when it stopped working. I caught him and his family on the way out and told him my problem. He ended up leaving his plans early and took the time to figure it out and got it running again quickly. It meant a lot that he was willing to help out so late. He even gave me a few tips to look out for in case anything else happened. Super knowledgeable and a great neighbor to have! Give that guy a raise!!

Zaria Smith

a month ago

Tim was great. I can’t say enough good things. He came out to do a routine maintenance and unfortunately, I had to replace my furnace due to wear and tear. This happened on Friday, and he was at my house bright and early Monday to install the new furnace. He was pleasant the entire time, and very informative throughout. Thank you so much.

Sindel Garcia

a month ago

I will start by saying that KC was very professional explaining all aspects of the whole job that his team was going to do as far as to what we needed concerning a furnace rather we should repair or replace the existing furnace which by the way was 26 years old. Zo the service installer was quite thorough with the entire job, also Areej another technician did a spectacular job with cleaning all of the air ducts with detailing each step of the way up to and including the dryer vent as well a fantastic job was done. Although the job was extended one extra day was not a problem the problem came about when they informed us that they were going to return the next morning by 10am and by 11am we hadn't heard from them when a simple courtesy call with an eta would have gone a long way instead of me having to place a call to them. Overall the job was complete with a new furnace that was installed and the job was well done.p I would highly recommend One Hour Heating & Air Conditioning of Naperville.

Gerald Moody

a month ago

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