First Alert RD1 EPA Certified Visual Alarm Radon Detector

Last updated: July 20, 2023

It's a good idea for every home to routinely have the radon levels checked, as radon is known for causing cancer. This kit is extremely easy to use and provides accurate test results within 72 hours of the company receiving your sample. Lab fees are included in the price, with the exception of New Jersey residents, who will need to pay a small fee.

We looked at the top Radon Detectors and dug through the reviews from some of the most popular review sites. Through this analysis, we've determined the best Radon Detector you should buy.

Product Details

Key Takeaway: If you're looking for a radon test kit that delivers fast results, this model is your best bet.

In our analysis of 33 expert reviews, the First Alert EPA Certified Visual Alarm Radon Detector placed 1st when we looked at the top 11 products in the category. For the full ranking, see below.

From The Manufacturer

The First Alert RD1 Radon Gas Test Kit easily and safely allows you to check your home, work, or other spaces for dangerous radon gas. Radon is a colorless, odorless gas that is the leading cause of lung cancer in non-smokers. The kit offers comprehensive instructions and includes all lab fees (except NJ state tests). This radon testing kit is an easy and inexpensive way to determine if radon is present and is ideal for disaster preparedness. It is recommended for use only within the United States.

Expert Reviews

What reviewers liked

Tests in 48 hours, EPA-approved
Price includes lab fees for testing the material once the kit is completed

What reviewers didn't like

Fees differ for New Jersey residents, Lab fees required
Home test kit does not include return shipping fee
View our Radon Detector buying guide for in-depth advice and recommendations.

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