NH
Radon Test Kits in New Hampshire
New Hampshire residents can request a free short-term kit from DHHS. If that is closed, Kansas State University sells kits by mail: $20 short-term, $30 long-term.
We checked this on October 1, 2026. Confirm the official page before you travel. Prices and stock change.
Where to get a kit
New Hampshire free short-term radon kits
New Hampshire DHHS offers a free short-term radon kit to New Hampshire residents and links a request form.
Request the kit at the link on the DHHS testing page.
Kansas State University mail-in kit: $20
Mail-in lab kit, lab fee included. Mail it back within 10 days.
Or call 1-800-767-7236.
American Lung Association radon test kit store: $18
Short-term kit $18, long-term $38. Not sold in New Jersey.
One test, or keep watching
One test: free
A lab kit from the program above. Good for a first look. One test is a snapshot, not a pattern.
Keep watching: Airthings Corentium Home 2, $179.99
New readings every day for as long as you own it. Good if you want to know, not guess. Price checked October 1, 2026.
If you buy through our Airthings link, we may earn a commission. You don't pay extra. Add your name and shipping, then enter ARS10-10OFF. The link does not apply the code by itself.