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Find Ducts & vents installers and replacers in Knoxville

Avatar for AC's Heating & Air
AC's Heating & Air
5.0(
13
)

Serving Knoxville, TN and surrounding areas

Approved

In business since 2022

Free estimates

Credit card accepted

"Adam and gracie with ACâ s Heating and air were amazing! They installed new ductwork and vents along with running new 240v wire to an oven for us. They did great work, did it fast and were very affordable. We highly recommend and will use them again!"
Adam Installing Ductwork
A Couple Finished Runs
Adam Installing Fresh Air Vent
Gracie Wiring Indoor unit
Trunk and Runs Installed by Adam and Gracie

+1

Response time5 hrs
Response rate97%
Recommended by100%of homeowners
Avatar for Premier Services Group, Inc.
Premier Services Group, Inc.
4.9(
18
)

Serving Knoxville, TN and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

"I watched the guys working, and they really pay attention to detail. They don't just come by and slam it in. I am convinced this install will be everlasting. I have rental property, and have seen many contractors work. These guys are the best. You should certainly consider their services."
Kerbela Shrine Temple Kno
Kerbela Shrine Temple Kno
Carson Newman College
Carson Newman College
Downtown Knoxville Hilton

+11

Response time2 days
Recommended by81%of homeowners
Avatar for KCAC Home Repairs
KCAC Home Repairs
5.0(
6
)

Serving Knoxville, TN and surrounding areas

Approved

In business since 2022

Free estimates

Credit card accepted

"I recently hired this HVAC company and had a great experience. They were prompt and efficient, getting the job done quickly. I highly recommend them for their excellent service."
Response time12 hrs
Recommended by100%of homeowners
Avatar for Varsity Zone HVAC of Knoxville
Varsity Zone HVAC of Knoxville
5.0(
5
)

Serving Knoxville, TN and surrounding areas

Approved

In business since 2025

Free estimates

Warranties offered

When your HVAC system starts falling behind, you need a team that's ready to step in and take the lead. Varsity Zone HVAC of Knoxville delivers reliable heating and cooling services to keep your home comfortable all year long. Whether you're dealing with a broken AC in the summer or prepping your furnace for winter, our licensed technicians are ready to get the job done with skill and efficiency.\n\nWith over 30 years of industry experience, we bring the same energy and precision you'd expect from a top-tier team. From your first call to the final walkthrough, we focus on clear communication, dependable service, and long-term results. We treat every job like it's game day, and we show up ready to perform.

After Installation
Before Installation
Before Install
New Furnace
28 neighbors recently requested a quote
Full Comfort Heating and Air, LLC
5.0(
3
)

Serving Knoxville, TN and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

We are a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have over 10 years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!

Recommended by50%of homeowners
Avatar for National Heating and Cooling, LLC
National Heating and Cooling, LLC
5.0(
2
)

Serving Knoxville, TN and surrounding areas

Approved

In business since 2023

Free estimates

Customers say: Quick response

"They performed a fast, clean installation of a new system and relocated it to a more favorable location. I had them delete the unit in the attic because of prior water damage from a leaking unit. They were able to plumb into the old venting. The house is now quieter and cooler. Everything is working great, and we are completely satisfied with the work that they performed. Very efficient at their job and did an excellent job of cleaning up."
My jobs
My jobs
My jobs
My jobs
My jobs

+5

Response time4 hrs
Response rate97%
22 neighbors recently requested a quote
Avatar for Advanced Heat, A/C, & Plumbing
Advanced Heat, A/C, & Plumbing
4.6(
847
)

Serving Knoxville, TN and surrounding areas

In business since 1970

Emergency services offered

Credit card accepted

"Advanced heating and air solved our problem of an uncomfortable sunroom. They offered solutions, options, and information about a great system that was new to us...the Gree mini-split. We chose the Gree. The indoor components were slim-lined and fit right in with the room. The best part is that they were whisper quiet. (Also the outdoor opponent). The technicians were courteous, knowledgeable, and efficient. Thank you Advanced heating and air for making our sunroom livable and enjoyable. Reg and Linda Jellicorse"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+5

Recommended by92%of homeowners
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FAQs for ducts & vents installation and replacement projects in Knoxville, TN

Return air vents aren't required in every room, but proper placement is essential for system efficiency. According to industry standards, you'll need one return vent for every 100 to 150 square feet of living space. Ideally, each room would have its own return vent, especially larger rooms exceeding 100 square feet. 

Without adequate return airflow, your HVAC system works harder, energy costs increase, and comfort decreases. A professional assessment can determine the optimal number and placement of return vents for your specific home layout.

Signs that your home needs additional return air vents include rooms that feel consistently stuffy, noticeable temperature variations between rooms, doors that slam shut when the HVAC system operates, or unexpectedly high energy bills. Excessive dust accumulation around supply vents can also indicate inadequate return airflow. 

If you experience these issues, consulting with an HVAC professional can help determine if adding return vents would improve your system's performance.

Supply vents deliver conditioned air into your living spaces, while return air vents draw room air back to your HVAC system for reconditioning. Supply vents push treated air into rooms, while return vents pull air from rooms back toward your heating and cooling equipment. 

Both components are essential for proper air circulation and system balance. Without sufficient return capacity, your HVAC system may experience pressure imbalances that reduce efficiency and comfort.

You should inspect and clean your return air vents at least once annually, according to industry recommendations. However, homes with pets, allergy sufferers, or noticeable dust buildup may benefit from more frequent cleaning. 

Regular maintenance helps maintain good indoor air quality and ensures your HVAC system operates efficiently. Professional duct cleaning, which addresses the entire system beyond just the visible vents, is recommended every few years, depending on your home's specific conditions.

The Knoxville, TN homeowners’ guide to ducts & vents installations and replacements

From average costs to expert advice, get all the answers you need to get your job done.