How Does Radon Testing Work? Step-by-Step | DezAir

November 02, 2026•1 min read

How Does Professional Radon Testing Work? Step-by-Step

Professional radon testing follows a straightforward process, typically completed in about 3 business days from start to finish.

Step 1: Scheduling

You book online for a time that works for you. Testing is by appointment only, and the technician comes to your property — there's no equipment drop-off or pickup required on your end.

Step 2: Monitor Placement

A licensed radon professional places certified electric monitors at the appropriate locations in your home — typically the lowest livable level, since that's generally where radon concentration is highest.

Monitor count depends on your property's size and foundation type; most homes need one to two monitors.

Step 3: The 48-Hour Monitoring Period

The monitors remain in place for 48 hours to capture an accurate short-term reading. This is a passive process — there's no equipment to manage and no disruption to your daily routine. You can go about business as usual.

Step 4: Equipment Retrieval and Analysis

After 48 hours, the technician returns to collect the monitors. The recorded data is then processed to generate your results.

Step 5: Your Report

You receive a clear, written report showing your actual radon levels, compared against the EPA's recommended action threshold, along with an explanation of what the numbers mean and any recommended next steps.

Total turnaround from your test date is typically around 3 business days.

A Simple, Non-Invasive Process

The entire process is designed to be minimally invasive — no ongoing maintenance, no complicated setup, just monitors placed and picked up on a schedule.

Schedule a radon or mold test today with DezAir Quality Testing online at dezairqualitytesting.com.

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