Air Quality

Air quality refers to how clean and healthy the air is inside your home, which affects everything from allergies to sleep quality. Factors like ventilation, humidity levels, dust, and pollutants all play a role in creating a comfortable living environment. Whether you need duct cleaning, HVAC maintenance, or help choosing the right filtration system, Angi connects you with pros and resources to help you breathe easier.
Air Quality Service Articles and Advice
A family having breakfast together
Discover the average indoor air quality testing cost, what impacts pricing, and how to budget for healthier air in your home.
If you’re planning on hunkering down through March, you’ll need to prioritize ventilation for clean air. Read on for tips on how to improve indoor air quality in the winter.
If your home’s humidity levels are outside the ideal range, you might need a humidifier vs. dehumidifier. Find out the key differences between the two.
Air Humidifier machine
Humidifiers and purifiers are easy to confuse—in most cases, both are portable machines used to improve a home’s air quality.
Indoor damp & air quality testing
Not sure who to hire to test indoor air quality? Learn about indoor air quality testing, the right pros to call, and what to expect—start here.
Family spending time together at home
The installation of an HVAC UV light benefits everyone in your home, especially those with allergies and respiratory issues. But how does it remove pollutants and bacteria? Here’s how an ultraviolet light air purifier can improve indoor air quality.
Kids on the couch with their mom
Is mold in HVAC dangerous? The presence of mold in your HVAC system can harm your health and your home.
Woman sitting by window vent pillows
If you suffer from allergies, look to your HVAC for help. With a few system upgrades, you can ensure only the freshest air circulates in your home.
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Common Air Quality Service Questions

Professional radon detection involves placing test kits in the lowest lived-in level of the house for a period, usually 48 hours to several months, followed by lab analysis of collected data.

Radon is a colorless, odorless gas that can cause lung cancer; testing ensures safe indoor air quality.

The cost of radon testing depends on the method you choose. Hiring a professional radon inspector typically costs between $150 and $800, with an average of around $450. For a DIY approach, home-testing kits are available from home improvement stores for $15 to $250. Key factors influencing the cost of professional testing include the size of your house, as larger homes may require additional tests, and the type of test used. Some companies may also charge an extra $50 to $100 to include a recommended mitigation protocol if high radon levels are found. While DIY kits are cheaper, hiring a professional is often recommended to ensure accurate results and to get a plan for mitigation if needed.

Having dust in your home doesn’t automatically make your house unhealthy, but it can contribute to allergies and other respiratory issues. Dust is a mix of tiny particles that include dirt, dead skin cells, dust mite body parts and droppings, animal dander, and pollen, so breathing in excessive amounts isn’t good for your health. Dust accumulation can also accumulate in fabrics, mattresses, and rugs, as well as harm electronic devices if it builds up inside the system.

Yes, professional testing identifies mold presence and type, guiding effective remediation plans that mitigate health risks. By ensuring thorough removal and preventing recurrence, professionals help maintain indoor air quality and reduce potential health hazards.