Indoor Air Quality Articles

How Your HVAC Equipment Protects Against Viruses

December 15, 2025

Did you ever start sneezing or coughing right after you entered a building or home? You can probably blame the poorly maintained indoor air quality.

How a Whole-House Humidifier Keeps You Healthy

July 18, 2025

At A & L Heating and Air, our professionals will walk you through the design process and ensure that your home is the ideal design to properly utilize a whole-house humidification system.

Ductless ACs Improve Indoor Air Quality and Control Humidity

April 22, 2025

According to the US Environmental Protection Agency, your Alcoa home’s indoor air quality is often two to five times more polluted than outdoor air.

Why Do I Need a Humidifier in the Fall?

September 16, 2024

Fall is a beautiful time of the year—but it comes with a drop in humidity levels. If you’re concerned about the humidity change and want to enhance your comfort inside your Friendsville home, installing a humidifier is an excellent option.

Why You Need Whole-House Humidity Control

February 29, 2024

When indoor plumbing became more popular in the 1940s, a whole new level of comfort and convenience began for homeowners. However, with that convenience came new challenges. One of those challenges is controlling humidity levels so they remain safe and comfortable inside your home.

Learn the Facts About Carbon Monoxide 

October 18, 2023

We often hear from Tennessee customers who want to understand the risks of carbon monoxide (CO). At A & L Heating and Air, we’re glad to share as much information as possible about protecting your indoor air quality (IAQ)—especially when it comes to the deadly nature of this silent killer. Carbon monoxide is an odorless…

Your HVAC System Can Enhance Sleep

August 16, 2023

The sound of a well-maintained heating, ventilation, and air conditioning (HVAC) system is like a lullaby for a good night’s sleep.   If odd sounds, such as banging, squealing, or rattling, from your HVAC system are keeping you up at night, it is time to schedule maintenance and regain a peaceful nighttime environment in your…

4 Reasons to Replace Your Home’s Air Filter

March 15, 2023

Heating, ventilation, and air conditioning (HVAC) filters and the late comedian Rodney Dangerfield have a lot in common. They both can tout, “I don’t get no respect!” Most people do not realize how pivotal the HVAC air filter is to both their homes and their HVAC systems. Respect Yourself, and Your Air Filter Here in…

Why Is a Home Dehumidifier Important?

July 1, 2022

Our professionals at A & L Heating & Air want to provide you with the information to create a healthy, comfortable environment for you and your family. Here is some important information about dehumidifiers and the role they play in your home’s health and comfort.

Fall Indoor Air Quality

September 13, 2021

With fall now upon us in Friendsville, cooler temperatures are here to stay. This transition from one season to another most definitely affects your home’s indoor air quality (IAQ). And your indoor air quality directly affects your comfort in your home.  At A & L Heating and Air, we know in cooler weather people tend…

Air Filters vs. Air Cleaners

June 30, 2021

Our A & L Heating and Air team can help you choose an air treatment system that can meet the needs of your home.

Why Air Duct Cleaning Is Important?

June 15, 2021

You should consider having your air ducts cleaned if you notice any or all of the following situations in your home.

What Are Zone Control Systems?

April 29, 2021

If you have a large home with multiple stories or a large household with family members who prefer different temperatures, consider installing a zone control system.

The Problem With Clogged Air Filters

April 16, 2021

Changing your home’s air filter a few times a year is something that can make a big improvement to your indoor air.

What Does Indoor Air Quality Have to Do With Allergies?

March 16, 2021

Did you know the average American spends nearly 90 percent of life indoors? That’s why it is increasingly important to ensure indoor air quality (IAQ) is clean and healthy. If your Maryville home is facing air-quality issues, you may be suffering anything from minor discomfort to significant allergy or health problems. Our team at A & L Heating and Air wants to help keep your home’s indoor air quality high and you and your family healthy and comfortable.

Leaky Ducts and You

February 23, 2021

At A & L Heating and Air, we take ductwork very seriously. Our heating and cooling professionals know what an important role your home’s air ducts play in so many areas—your comfort, energy bills, and health most specifically. Here in Maryville, we see the difference between ductwork that is well sealed and maintained and ducts that are not on a regular basis. 

What Accessories Can Help With My Indoor Air Quality?

December 28, 2020

In modern society, average adults spend nearly all their time indoors at work or at home. In fact the US Environmental Protection Agency (EPA) reports this amount of time reaches upwards of 90 percent for most people. That puts the importance of good indoor air quality at a whole new level.

The Basics of Winter Indoor Air Quality

December 14, 2020

In the winter, being snug as a bug in a rug in your home can be cozy, but it can also play havoc with your indoor air quality (IAQ) here in Tennessee, creating some significant health problems. At A & L Heating and Air, we recommend taking precautions to avoid the common issues associated with winter indoor air quality.

Improve Your Home’s Indoor Air Quality

August 17, 2020

Stand outdoors on one of those days when the weather feels perfect, take a few deep breaths, and enjoy the fresh air. Later, take another deep breath—only inside your Tennessee home. How does it compare? Improving the indoor air quality (IAQ) at your Friendsville home or business makes sense on so many levels. Consider your…

Why Is Indoor Air Quality (IAQ) Important?

April 9, 2020

Energy-efficient homes are more common than ever. Although they provide many benefits, including reducing overall energy usage and a smaller carbon footprint, they come with some disadvantages as well.

Covid-19 Policy

March 20, 2020

In our current and rapidly changing new environment, it is important that we carefully monitor and do what we can to prevent the spread of the rapidly evolving COVID-19 (coronavirus) situation. A & L Heating and Air, LLC is dedicated to the safety and well-being of our clients and has firmly adopted the following policies…

Carbon Monoxide

March 15, 2019

A & L Heating and Air provides maintenance and service on all possible CO producing appliances as well as Carbon Monoxide detectors for your home and office. What is Carbon Monoxide? Carbon monoxide is a poisonous, odorless, tasteless gas. It is formed by the incomplete combustion of carbon, or the incomplete burning of natural gas…

Replace Your Air Filter!

February 19, 2019

In millions of American households, an epidemic is taking place. People have stayed quiet about it for far too long. Now is the time for this deadly secret to be unmasked. Yes, we’re talking about (gasp) dirty air filters. Don’t let the naysayers fool you. Anyone who says dirty air filters aren’t a problem are…