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Indoor Air Quality

Wisconsin

Beyond the Filter: Advanced IAQ Solutions for a Healthy Home

Home | Blog | Published on August 11th, 2025

As the back-to-school season approaches, many families focus on shopping for supplies, preparing new routines, and setting academic goals. But there’s one essential area of preparation that often goes overlooked: the air your children breathe at home. Most people spend the majority of their time in indoor environments and indoor spaces, making indoor air quality a critical concern. Environmental health researchers study how indoor air quality affects human health and well-being, highlighting its importance for families.

Indoor air quality (IAQ) plays a direct role in your child’s health, focus, and academic performance, and the transition back into school mode is the perfect time to evaluate how clean and healthy your home’s air really is. Indoor pollution from sources like household products, building materials, and inadequate ventilation can lead to associated health risks such as asthma, allergies, and other respiratory issues. The American Lung Association provides trusted information on improving indoor air quality to help protect your family. Do you need an air purifier in Madison, WI? What else can you do to improve your indoor air quality? Maintaining proper air movement and air flow is essential for healthy indoor spaces, as these factors help dilute and remove pollutants. Air temperature differences and wind drive natural ventilation, influencing the rate at which outdoor air enters your home and directly impacting indoor air quality. Indoor air pollution can cause both short-term health effects like headaches, eye, nose, and throat irritation, and long-term effects such as respiratory diseases and cancer.

Improving ventilation is key to reducing indoor pollutants. Bringing in fresh air by opening windows or using fans helps increase ventilation and further improves indoor air quality.

An image of an HVAC tech cleaning a heating duct in the floor

What advanced solutions improve indoor air quality beyond just changing filters?

  • Install a whole‑house air purifier integrated into your HVAC system to clean the air throughout your home, not just in one room.
  • Clean or treat your ductwork: dust, pet dander, pollen and even mold build up inside ducts can circulate back into living spaces.
  • Address triggers for children’s health and focus, cleaner air can reduce allergy and asthma symptoms, improve sleep and concentration.
  • View air quality improvement as an investment in your family’s well‑being by combining air purification, ducts, and HVAC system support.

The Hidden Impact of Poor Indoor Air on Kids

Children spend a significant amount of time indoors, both at school and at home. Poor indoor air quality can trigger allergies, asthma symptoms, fatigue, and difficulty concentrating. Exposure to indoor air pollutants can result in both immediate and long-term health effects, depending on the duration and intensity of exposure. Indoor air quality problems are often caused by inadequate ventilation and the presence of various indoor air sources, which can lead to a buildup of pollutants and worsen health symptoms. If your child is sneezing more than usual, waking up congested, or struggling with focus and energy, the culprit might be in the air. Signs of health problems caused by poor indoor air quality may include chronic cough, fatigue, and other nonspecific symptoms, complicating diagnosis and treatment. The health effects of indoor air pollutants depends on factors such as individual sensitivity, age, and preexisting health conditions. Long-term exposure to indoor air pollutants poses a significant health risk, especially for children. While changing HVAC filters regularly is important, it’s just the beginning. For families looking to take proactive steps, advanced IAQ solutions offer a powerful way to create a healthier home environment, but it is also crucial to identify indoor air sources to effectively address indoor air quality problems.

Types of Air Pollutants Lurking in Your Home

Did you know that the air inside your home can be two to five times more polluted than the air outside? According to the Environmental Protection Agency and the World Health Organization, indoor air pollution is a growing concern, especially since most people spend about 90% of their time indoors. Poor indoor air quality isn’t just uncomfortable, it can have serious health effects, including respiratory diseases, cardiovascular disease, and even lung cancer. The World Health Organization estimates that poor indoor air quality resulted in the loss of 86 million healthy life years in 2019, underscoring the global impact of this issue.

So, what’s actually floating around in your indoor air? Common indoor air pollutants include dust mites, pet dander, mold spores, and pollen, all of which can trigger allergies and asthma. Volatile organic compounds (VOCs) from cleaning products, paints, and building materials can also linger in the air, contributing to poor air quality and increasing the risk of headaches, dizziness, and long-term health problems. Exposure to paints, varnishes, and solvents can result in elevated VOC levels indoors, which are often higher than outdoor levels. Inadequate ventilation and indoor sources can increase indoor pollutant levels, leading to higher concentrations of pollutants and greater health risks. Carbon monoxide, often produced by improperly adjusted gas stoves or heating systems, is another dangerous pollutant that can cause severe health hazards, even at low levels.

Tobacco smoke, secondhand smoke, and fumes from natural gas appliances are additional sources of indoor air pollution that can significantly affect indoor air quality. These pollutants can lead to a range of health problems, from minor irritations to serious conditions like cardiovascular disease and lung cancer. Moisture from water-damaged materials can lead to increased mold growth, which contributes to indoor air pollutants. Even outdoor air pollution can make its way inside, carrying outdoor air pollutants that further degrade your indoor environment.

Some health effects, such as respiratory diseases, heart disease, and cancer, may only become apparent years after exposure or after repeated exposure. There is still uncertainty about which health problems are caused by exposure to average pollutant concentrations typically found in homes versus higher, short-term concentrations. More research is needed to understand the long-term health outcomes associated with the average pollutant concentrations found indoors.

Understanding the types of air pollutants in your home is the first step toward creating a healthier indoor environment. By identifying these hidden hazards, you can take targeted steps to improve indoor air quality and protect your family’s respiratory health all year long. Animals can be a source of biological contaminants, including dander and saliva, which can affect indoor air quality.

Causes of Indoor Air Problems

Indoor air problems often stem from a combination of indoor air pollution, poor indoor air quality, and the movement of outdoor air pollution into indoor environments. The quality of the air inside your home depends on a delicate balance between indoor air pollutants, the amount of outdoor air entering your indoor spaces, and how well your home’s ventilation systems are working. When there’s too little outdoor air coming indoors, whether due to tightly sealed windows, inadequate ventilation, or blocked air ducts, indoor pollutant levels can quickly rise, leading to a host of health problems.

Many common indoor air pollutants originate from everyday sources such as building materials, household cleaning products, air fresheners, and combustion appliances like gas stoves and heating systems. For example, an improperly adjusted gas stove can release significantly more carbon monoxide, a colorless, odorless gas that poses serious health risks, including headaches, dizziness, and even life-threatening poisoning. Secondhand smoke, radon, and volatile organic compounds (VOCs) from personal care products and household cleaners are also frequent culprits, contributing to poor indoor air quality and increasing the risk of respiratory diseases and even lung cancer.

Outdoor air pollution doesn’t stay outside; it can enter your home through infiltration, open windows, or mechanical ventilation devices, bringing outdoor air pollutants indoors and further affecting indoor air quality. This is especially concerning in areas with high outdoor air pollution, as outdoor air flows can carry in dust, pollen, and chemical pollutants that add to the indoor pollution burden.

To improve indoor air quality, it’s essential to identify indoor air sources and take steps to control them. This includes choosing low-emission building materials, reducing the use of products that release VOCs, and ensuring that combustion appliances are properly maintained. Adequate ventilation is key, using bathroom exhaust fans, maintaining air ducts, and upgrading air handling systems can help remove indoor pollutants and bring in enough outdoor air to dilute contaminants. Air cleaners and purifiers can also play a role in continuously removing indoor air pollutants, especially in homes with sensitive individuals.

Both the World Health Organization and the Environmental Protection Agency offer valuable guidelines for improving indoor air quality and reducing the associated health risks. Regular maintenance of heating, cooling, and ventilation systems, along with routine air quality monitoring, can help you stay ahead of potential indoor air quality problems and protect your family’s respiratory health.

By understanding the causes of indoor air problems and taking a proactive approach to improving indoor air quality, you can create a safer, healthier indoor environment for everyone in your home.

Why Choose a Whole House Air Purifier?

One of the most effective upgrades you can make is installing a whole house air purifier. These systems are a type of air cleaner designed to filter pollutants and improve indoor air quality by removing a wide range of indoor pollutants, including chemical pollutants, from the air in your home. Unlike portable units that only clean one room at a time, whole house systems are integrated directly into your existing HVAC system, treating every cubic foot of air that circulates throughout your home. These systems often work in conjunction with air handling systems and mechanical ventilation devices to ensure comprehensive air cleaning throughout the home. Supplying filtered and conditioned outdoor air through these systems is important for maintaining healthy indoor air quality. These purifiers target airborne allergens, bacteria, mold spores, viruses, and chemical pollutants, giving your family added protection during cold and flu season. Maintaining an adequate outdoor ventilation rate is essential to ensure proper dilution of indoor pollutants and improve overall air quality. An Energy Recovery Ventilator (ERV) can help manage humidity and temperature by transferring heat and moisture to pre-condition incoming air, while cooling systems also play a key role in controlling humidity and preventing biological contaminant growth. With cleaner air, your kids are more likely to sleep better, wake up refreshed, and stay healthier throughout the demanding school year.

Don’t Forget the Ducts

Another often-overlooked component of IAQ is your home’s ductwork. Over time, dust, pet dander, pollen, mold, and other pollutants accumulate inside air ducts. Every time your HVAC system runs, it can push these contaminants back into the living space. Proper ventilation and duct systems are essential for carrying indoor air pollutants out of the home and preventing their accumulation. Proper ventilation systems are designed to continuously remove indoor air or intermittently remove air, helping to maintain a healthy air exchange rate and prevent the buildup of indoor pollutants.

Professional duct cleaning services can drastically reduce this buildup, improving airflow and helping your HVAC system operate more efficiently. For families with children who suffer from allergies or asthma, duct cleaning can be a game-changer, reducing sneezing, coughing, and other respiratory symptoms. Additionally, outdoor air flows and bathroom exhaust fans play a crucial role in further improving indoor air quality by removing moisture and pollutants from specific areas.

Set Your Family Up for a Healthy School Year

Investing in indoor air quality is an investment in your family’s well-being and success. As the school year ramps up, make sure your home is ready to support your children’s health and performance. From better sleep and reduced allergy symptoms to improved concentration and immune support, clean air sets the stage for a strong start.

Our team is ready to get your family geared up for the school year! Whether you’re interested in a whole house air purifier, need duct cleaning services, or want expert IAQ advice tailored to your home, we’re here to help you breathe easier, this school year and beyond.

Frequently Asked Questions

Question: How does indoor air quality affect children during the school year?
Answer: Poor indoor air can trigger allergies, asthma, and fatigue in children, making it harder for them to focus and perform well in school. Clean air supports better sleep, stronger immune systems, and improved concentration, especially important as kids transition into a demanding school routine.

Question: What are the benefits of a whole house air purifier over portable units?
Answer: Whole house air purifiers treat all the air circulated through your HVAC system, unlike portable units that clean only one room. They’re more effective at removing allergens, bacteria, and viruses across your entire home, providing consistent air quality and healthier breathing for the entire family.

Question: Why is duct cleaning important for indoor air quality?
Answer: Ducts collect dust, pet dander, pollen, and mold over time. Without cleaning, these contaminants recirculate through your home whenever the HVAC runs. Duct cleaning helps reduce allergy symptoms, improve airflow, and make your HVAC system run more efficiently.

Question: When should you consider upgrading your home’s IAQ system?
Answer: The back-to-school season is a great time to improve your indoor air quality. As kids spend more time indoors, cleaner air supports their health and academic performance. If your family struggles with allergies or you’ve noticed more sneezing or fatigue, it might be time for an upgrade.

Question: What IAQ solutions does 24 Hour Home Comfort Services offer?
Answer: They provide whole house air purifiers, professional duct cleaning, and customized IAQ consultations. These solutions are designed to reduce allergens, mold, and airborne irritants, making your home healthier and more comfortable year-round.

You can always count on 24-Hour Home Comfort Services, your heating and cooling specialists.

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