IEMA Licensed Radon Professional · Certified Mold Professional
Breathe Easy.
Know What's in Your Air.
Professional radon and mold testing for Chicagoland
and nearby suburbuban homes and businesses
clear results, certified expertise, and peace of mind.
Radon Testing
Short-term electric monitoring placed for 48 hours. Results in approximately 3 business days. Serving all foundation types.
Mold Testing
Air and surface sampling sent to an accredited lab. On-site in approximately 30 minutes. Clear written report included.
How It Works
Simple, straightforward, no surprises.
Trusted testing, accredited labs, clear written reports.
Schedule Online - Pick a time that works for you. By appointment only — we come to your property.
We Test On-Site - Desiree or Baxtie places certified equipment or collects samples at your home or business.
Lab Analysis - Samples go to an accredited lab. Radon monitors are retrieved after 48 hours.
You Get Your Report - Clear, written results delivered within approximately 3 business days. We're here if you have questions.
Why Choose DezAir Quality Testing?
Certified professionals. Transparent pricing. Chicagoland's trusted choice.
IEMA Licensed — State-licensed radon professionals under Illinois IEMA standards.
Certified Mold Professional — Accredited lab analysis with expert interpretation.
Transparent Pricing — No hidden fees. You know the cost before we arrive.
5-Star Rated on Google — Consistently trusted by Chicagoland homeowners and buyers.
Clear Written Reports — Results you can read and act on — not technical jargon.
Fully Insured — Licensed and insured for your complete peace of mind.
Why Testing Matters
Health Risks you can't see
Mold and radon are hidden indoor air quality concerns that can affect your health without obvious warning signs. Mold can grow behind walls, under flooring, in attics, basements, crawl spaces, and other damp areas where it may not be visible right away. Exposure to mold and damp indoor conditions can contribute to allergy symptoms, coughing, wheezing, respiratory irritation, and may worsen asthma or other breathing conditions.
Radon is even harder to detect without proper testing because it is colorless, odorless, and tasteless. It can enter a home through cracks in the foundation, gaps around pipes, crawl spaces, sump pits, and other openings. Long-term radon exposure is a serious health risk and is recognized as the second leading cause of lung cancer in the United States after smoking.
Because these risks are often invisible, testing is the only reliable way to know what may be present in your home. Professional mold and radon testing helps identify potential concerns early, giving you the information needed to protect your home, your health, and your peace of mind.
When to test your home
Before buying or selling a property
After water damage or flooding
If you notice musty odors or visible mold
Every 2-3 years for radon monitoring
When Family members experience unexplained health issues