Indoor Air Quality Services in Knoxville, TN
$95
Furnace Repair Diagnostic
Call for Conditions & Restrictions
Same Day Service Guarantee
Call us or fill out the form to schedule
Schedule Online
(865) 364-6479

Breathe Better, Live Better with Smith Heating & Air
At Smith Heating & Air, we believe that the air you breathe inside your home or office should be just as fresh and clean as the air you enjoy outside on a beautiful Tennessee day. That’s why our team is passionate about helping families and businesses in Knoxville and the surrounding areas improve their indoor air quality with reliable, professional HVAC services that you can trust.
Your heating and cooling system does more than keep you comfortable—it plays a big role in your health and well-being. From reducing allergens and dust to balancing humidity and eliminating pollutants, we provide solutions that make every breath you take cleaner, safer, and healthier.
Free Consultation
Why Indoor Air Quality Matters
Did you know the average person spends about 90% of their time indoors? If your home or office air isn’t clean, it can affect everything from your sleep and energy levels to allergy and asthma symptoms. Common issues like dust, mold, pet dander, and pollen can hide inside your ducts or circulate through your HVAC system without you even realizing it.
Our indoor air quality services in Knoxville, TN are designed to protect your health and give you peace of mind. Whether you’re dealing with seasonal allergies, lingering odors, or simply want fresher, healthier air, we’re here to help.
Clean indoor air isn’t just about comfort—it’s about creating a safer, healthier environment for the people who matter most. Poor air quality can weaken your immune system, make it harder to focus during the day, and even impact your kids’ development and learning. By taking steps to improve your home’s air, you’re not only reducing allergens and pollutants, but also investing in your family’s long-term health and well-being. At Smith Heating & Air, we make it simple to take control of your indoor air so every breath you take feels fresh, clean, and worry-free.


Our Indoor Air Quality Solutions
When you choose Smith Heating & Air, you’re choosing a family-owned company that treats your home like it’s our own. We take pride in offering a full range of indoor air quality services tailored to your needs, including:
-
Air Filtration & Purification Systems – Trap dust, pollen, pet dander, and other harmful particles so your family can breathe easier.
-
UV Light Air Cleaners – Kill bacteria, mold, and viruses before they spread through your home or office.
-
Humidity Control – Balance moisture levels to prevent dry air in the winter and excess humidity in the summer.
-
Duct Cleaning & Vent Services – Remove years of built-up dust, debris, and contaminants inside your ductwork.
-
Whole-Home Ventilation – Ensure your home has a steady flow of clean, fresh air year-round.
Each service is designed to improve your comfort, reduce allergens, and promote a healthier living or working environment.
Why Knoxville Trusts Smith Heating & Air
We know you have choices when it comes to HVAC contractors in Knoxville, TN. What sets us apart is our dedication to treating every customer like family. With decades of experience and a reputation built on honesty, reliability, and quality workmanship, we’ve become the go-to HVAC team for homeowners and businesses across East Tennessee.
When you invite us into your home or office, you can count on us to:
-
Show up on time and ready to help.
-
Explain your options in simple, easy-to-understand terms.
-
Provide affordable, upfront pricing with no surprises.
-
Deliver solutions that actually work—not quick fixes.
We don’t just want to fix your HVAC system—we want to build lasting relationships with our neighbors here in Knoxville.

Take the First Step Toward Cleaner Air
Your family deserves to breathe fresh, healthy air every single day. Whether you’re worried about allergies, odors, or just want the peace of mind that comes with a cleaner environment, Smith Heating & Air is here to help.
👉 Call us today or schedule an appointment online for professional indoor air quality services in Knoxville, TN. Let us help you create a healthier, more comfortable home or office you’ll love.
The Most Commonly Asked Indoor Air Quality Questions We Get From Customers!
Why is indoor air quality so important for my home?
Indoor air quality affects more than just comfort—it impacts your health. Poor air quality can trigger allergies, asthma, headaches, fatigue, and even long-term health issues. Since most of us spend the majority of our time indoors, cleaner air means better breathing, better sleep, and overall better living.
How do I know if my home has poor indoor air quality?
Common signs include musty odors, excess dust on surfaces, frequent allergy flare-ups, lingering pet smells, or mold around vents. If your family often feels stuffy, sneezy, or tired at home, it might be your air—not just the Tennessee pollen—causing the problem.
What are the most common indoor air pollutants?
The big ones are dust, pollen, pet dander, mold spores, household chemicals, and even bacteria and viruses. These pollutants get trapped inside your home and circulate through your HVAC system unless you have the right filtration and cleaning in place.
How can an HVAC system improve my indoor air quality?
Your HVAC system does more than heat and cool—it circulates air throughout your home. With the right add-ons like advanced filters, air purifiers, and humidity controls, your system can trap pollutants, kill germs, and keep your air fresh and healthy year-round.
Do air purifiers really work?
Yes! A properly installed whole-home air purifier can capture tiny particles like dust, pollen, and even smoke that standard filters can’t catch. Some models also use UV light to kill bacteria and viruses before they spread. It’s like giving your home a constant deep breath of fresh air.
How often should I have my air ducts cleaned?
For most homes in Knoxville, every 3–5 years is recommended. If you have pets, allergies, or live in a dusty area, you may benefit from cleaning them more often. Clean ducts mean fewer allergens, less dust, and a more efficient HVAC system.
What’s the ideal humidity level in my home?
The sweet spot is between 30–50%. Too much humidity can cause mold and musty odors, while too little leads to dry skin, scratchy throats, and static shocks. A whole-home humidifier or dehumidifier keeps things balanced and comfortable.
Can indoor air quality affect my energy bills?
Absolutely. When your system is clogged with dust or struggling with unbalanced humidity, it has to work harder to heat and cool your home. Clean air means a more efficient HVAC system—and that often translates to lower utility bills.
Do indoor air quality upgrades add value to my home?
Yes. Today’s buyers are more health-conscious than ever, and a home with clean ducts, advanced filtration, or whole-home purifiers is a big plus. It not only makes your home healthier to live in now but also more attractive if you decide to sell later.
How can Smith Heating & Air help improve my home’s air quality?
We offer customized solutions for your family’s needs, from duct cleaning and air purifiers to humidity control and ventilation systems. Our Knoxville team takes the time to explain your options, answer questions, and deliver reliable results so you can breathe easier and feel more comfortable at home.

At Smith Heating and Air, we believe every family in Knoxville deserves to breathe fresh, healthy air inside their home. From air purifiers and duct cleaning to humidity control and ventilation solutions, our expert team provides trusted indoor air quality services that make your home more comfortable and your air cleaner. Don’t let hidden pollutants or allergens impact your health—let us help you create a safer, fresher environment for the ones you love most. Call Smith Heating and Air today or schedule your service online for reliable indoor air quality solutions and all your HVAC needs in Knoxville, TN and the surrounding areas!
Schedule Now
(865) 364-6479

$95
Furnace Repair Diagnostic
What you get from Smith Heating & Air:
- We’ll come to your home.
- Diagnose the problem with your system
- Provide a comprehensive report on what’s going on, what needs to be fixed, and your best options moving forward

$95
A/C Repair Diagnostic
What you get from Smith Heating & Air:
- We’ll come to your home.
- Diagnose the problem with your system
- Provide a comprehensive report on what’s going on, what needs to be fixed, and your best options moving forward

$95
Heat Pump Repair Diagnostic
What you get from Smith Heating & Air:
- We’ll come to your home.
- Diagnose the problem with your system
- Provide a comprehensive report on what’s going on, what needs to be fixed, and your best options moving forward
Helpful Resources for Improved Indoor Air Quality
Resources
For more helpful information about keeping your indoor air clean and healthy, check out these trusted sources: