Best Radon Test Kit in Canada (2026): An All-Canadian Alternative to AccuStar & Radonova, Compared

Here's something almost nobody buying a radon test kit in Canada knows: the test kit is "Canadian" in branding only. Underneath, nearly every kit on the market is one of two products — and both are analyzed at a US laboratory.

The two detectors are the AccuStar AT-100 (made by a US company, with labs in Pennsylvania and Massachusetts) and the Radonova Radtrak³ (made by a Swedish company in Uppsala, with North American samples processed at Radonova's US lab). Whether you buy from AccuStar Canada, Canada Radon, Pinchin, Radon Depot, Radon Environmental, RadonKit, or one of 30+ other Canadian resellers, your sample is going to a US lab.

The good news: the test itself is the same standard everywhere. All three options — ours, AccuStar's, and Radonova's — use C-NRPP-listed long-term alpha-track devices and ISO/IEC 17025 accredited lab analysis, and all three meet the test-type criteria for things like the Tarion radon warranty (one of several conditions for a Tarion claim — see the full guide). On the test, you're not trading down by choosing any of them.

The actionable news: once you factor in reseller markup, return shipping to the US, applicable tax, and the cross-border path, the all-in cost is roughly comparable across all three options. The choice isn't really about price. It's about who owns your file when something goes wrong, where your sample lives, and how long it takes you to get a result.

RadonTest.ca is the all-Canadian alternative. Canadian-owned. Analyzed at Lex Scientific in Guelph, Ontario — the first independent Canadian laboratory ever accredited for alpha-track radon analysis by C-NRPP, independently operated since 1989. Tracked Canadian shipping both ways. Direct customer service. $89 flat (plus applicable tax). No reseller, no US customs, no surprise charges, no border between you and your result. Order →

TL;DR

• 🇨🇦 RadonTest.ca keeps the entire process in Canada — Canadian company, Canadian lab (Lex Scientific, Guelph, ON), Canadian shipping, Canadian customer service.
• 🇺🇸 AccuStar: US-owned, US labs (PA / MA). Most Canadian "brands" are reselling AccuStar.
• 🇸🇪 Radonova: Swedish-owned, Canadian samples shipped to their US lab.
• All three meet the same C-NRPP-certified, Tarion-qualifying standard for the test itself.* The difference is everything around the test: who fulfills it, who supports you, where it's analyzed, how long it takes end-to-end, and whether you have to fill out a customs form to send your sample back (cross-border returns require a CN22 customs declaration; ours does not).
• Cheap stickers ($39.95, $49.99) are not the all-in price. Once you add reseller markup, tracked return shipping to the US, customs risk, and applicable tax, AccuStar-based kits typically land at ~$65–$95+ and Radonova-based kits at ~$80–$105+.* On price, it's largely a wash. On certainty, it isn't.
• RadonTest.ca is $89 flat (plus applicable tax). Canadian lab. Tracked both ways. Direct customer service. Nothing added at the end.

All-in cost ranges are approximate and reflect sticker + typical reseller markup + tracked return shipping to the US lab. Cross-border shipments may also occasionally be subject to customs duties or brokerage fees. All prices in CAD, plus applicable provincial and federal taxes. Verify current pricing directly with each vendor — see disclaimers and sources at the bottom of this article.

Why "all-Canadian" matters when the test itself is the same

Three things move with your sample when it crosses the border, and none of them are the lab science:

Your data. Your address, your home's radon level, your contact info — all processed and stored on US infrastructure, subject to US data law. With an all-Canadian provider, your data stays in Canada under Canadian privacy law.

The bulk of your kit fee. The detector cost and the lab analysis fee flow outside Canada to the manufacturer (US or Sweden) and to a US laboratory. A Canadian reseller, where one is involved, may retain a small markup, but the larger share leaves Canada. With us, the entire kit fee stays inside Canada — supporting a Canadian company and a Canadian lab.

Your supply-chain risk. Cross-border policy shifts, customs delays, and exchange-rate movement affect every cross-border shipment. A domestic supply chain insulates you from all of it.

Choose the Canadian option →

The real all-in cost: long-term radon test kit, Canada 2026

Sticker is a starting point, not the price you pay. Here's what actually lands on your card by the time you have a result — and what the experience looks like end-to-end.

* All-in cost ranges are approximate and reflect manufacturer-direct or reseller sticker price + typical reseller markup ($10–$20) + tracked return shipping to the US lab ($15–$25). Cross-border shipments may also occasionally be subject to customs duties or brokerage fees. Pricing varies by reseller, by service used, and by individual shipment outcome. Verify current pricing directly with each vendor before relying on these figures. All prices in CAD, plus applicable taxes.

† Meeting the Tarion test type criteria is one of several conditions for a Tarion radon warranty claim — the home must also be within its 7-year warranty window from possession, the test result must exceed 200 Bq/m³, the test must be conducted in the basement (not a crawl space), and the claim must be filed correctly through Tarion's process. See our full Tarion radon warranty claim guide and tarion.com for the complete requirements.

The reframe: Versus the two market-leading platforms, the test itself is the same standard — all three use C-NRPP-listed long-term alpha-track devices analyzed at ISO/IEC 17025 accredited labs. Once you factor in reseller markup, return shipping, taxes, and the cross-border path, the all-in price is roughly comparable. The difference is everything around the price: a single Canadian company you can call, a Canadian lab with no border to cross, a faster end-to-end timeline, and zero customs surprises. Same test standard. Different experience.

Choose Canadian — order your $89 kit →

Same test standard. Different experience.

The pitch isn't that we're cheaper or that our test is "better." All three options use C-NRPP-listed long-term alpha-track devices analyzed at ISO/IEC 17025 accredited labs — the same Health Canada–aligned test standard, all qualifying for things like the Tarion warranty. On paper, we're the same.

The difference is everything around the test. Six places where the all-Canadian path is the lower-risk, higher-certainty option for the same money.

1. The sticker is the price (and you know what you'll pay)

Our $89 (plus applicable tax) is what you pay. Both AccuStar and Radonova channels charge you again for return postage. Radon Environmental's own product page makes it explicit:

"Return shipping is not included — the customer is responsible for return shipping to the Radonova radon lab in the USA… Please use a trackable shipping service." (source)

Tracked Canada Post to the US is realistically $15–$25. Untracked is cheaper, but vendors specifically advise against it — and untracked envelopes do get lost.

2. You're probably buying from a reseller — markup goes up, support varies

There are dozens of Canadian sellers of the AccuStar AT-100 and a smaller number for the Radonova Radtrak³. Reseller pricing typically adds $10–$20 over the manufacturer's direct price. The "$39.95" on AccuStar Canada's own site can become $49.95 or $59.95 by the time you've Googled around and bought from a regional reseller.

The harder cost is what happens when something goes wrong. Reseller post-purchase support varies widely — if your envelope is lost, held at the border, or arrives at the lab damaged, you may need to coordinate between the reseller and the US lab to track it down. Some resellers handle this well; others don't. Our $89 is direct-from-the-source: one company, one phone call, one email, one Canadian team that owns your file end-to-end.

3. Your sample never crosses the border (and you don't fill out customs forms)

Returning a sample to a US lab means you complete a customs declaration form (a CN22 customs form, or equivalent depending on the carrier and service used). Some vendors pre-print part of it; you're still responsible for the contents description, declared value, and signature. Get it wrong and the envelope is held or returned. This is a paperwork burden you only learn about after you've paid for the kit.

Our envelope goes from your house to Guelph, Ontario, on a domestic Canada Post label. No customs form to fill out. No CBSA. No CBP. No surprise bill three weeks later.

Cross-border returns also carry the additional risks of envelopes getting flagged for random inspection (most clear in days; some take weeks) and duties or brokerage charges showing up even when they shouldn't. We can't quote odds — they're low, but not zero, and when they happen they're a phone-call mess to sort out.

Skip the customs paperwork — order Canadian →

4. Faster end-to-end (mail to results)

Lab analysis itself is roughly comparable across providers — both AccuStar and Radonova are reputable accredited labs. The difference is the time before your sample even reaches the lab.

A US-bound envelope from Canada has to clear Canada Post, the Canada Border Services Agency, and US Customs and Border Protection before it even reaches the lab queue. Most clear in days; some get held at customs for a week or more, and during peak periods (post-Radon Action Month, January return rushes) those delays compound. Plus, US labs sometimes report longer turnaround during their own peak seasons.

A domestic Canadian envelope from your house to Guelph is — typically — measured in days, not weeks. End-to-end (the moment your test ends to the moment your result lands in your inbox) is typically meaningfully faster with an all-Canadian path. We can't promise an exact number — Canada Post is Canada Post — but we can tell you exactly which steps we've taken out of the chain.

5. Tracked both ways and built-in reminders

Outbound: tracked from our Canadian fulfillment to your door. Return: prepaid, tracked Canada Post label in the box. Plus 10 reminder emails over the 91+ day test period so the detector doesn't end up forgotten on a shelf — which is the single biggest reason DIY radon tests fail.

To be fair: some competitors send a registration confirmation, and a few send one reminder near end-of-test. We have not found another major Canadian seller running a multi-touch reminder program across the full 91-day window. If you find one, tell us.

6. All-Canadian — your sample, your data, and your kit fee stay home

The intangible that ties the rest together. Our entire chain — fulfillment, shipping, lab analysis, results delivery, customer service — runs in Canada. AccuStar is a US company. Radonova is Swedish with US lab operations. When you choose us instead, you're choosing the all-Canadian alternative to the two foreign-lab platforms that dominate the Canadian alpha-track market.

Order the Canadian option →

The lab that backs us: Lex Scientific, Guelph, Ontario

Quality matters as much as country, so here's why our Canadian lab credentials hold up against any US or European competitor:

• First independent Canadian laboratory ever accredited for alpha-track radon analysis by C-NRPP.
• ISO/IEC 17025 accredited by the Canadian Association for Laboratory Accreditation (CALA) — the same international standard AccuStar and Radonova hold.
• Independently operated in Guelph, Ontario since 1989. Worked with the City of Guelph in 2015 to help design Ontario's first municipal Radon Gas Mitigation Program.
• Health Canada–aligned reporting: results returned in Bq/m³ alongside the Health Canada 200 Bq/m³ guideline.

You're not trading down on quality to choose Canadian. You're trading sideways on quality and up on sovereignty. Get a Canadian-lab result →

What Health Canada actually recommends

Four things drive the right purchase, per Health Canada's measurement guide:

1. Long-term tests (91+ days) are the default. Health Canada is explicit that short-term results should not be used to make a mitigation decision.
2. Use a C-NRPP-listed device. ✅ Our kit qualifies.
3. Use a C-NRPP-certified lab. ✅ Lex Scientific is C-NRPP listed.
4. Place the detector on the lowest lived-in level, away from windows and vents, for the full test period.

We hit all four. Order →

When to use a short-term test

Only one situation: a real-estate closing window where you can't wait 91 days. Watch out: many short-term kits (PRO-LAB RA100 at Home Depot is the most common — also a US company) don't include the lab fee in the sticker. Expect an additional $30–$40 lab payment, plus return postage, plus the same US-customs path. Use a short-term result as a screening signal only and follow up with a long-term test post-closing.

Don't let your mitigator run their own post-mitigation test

If a contractor installs a $3,500 mitigation system and then runs the verification test that confirms it worked, you have a textbook conflict of interest. The fast 48-hour test the mitigator runs at the end of the install is fine as a commissioning check — but the result you keep on file should be an independent long-term alpha-track test from a separate provider, analyzed by an independent C-NRPP lab.

Real-estate lawyers may ask for this paperwork. Tarion adjudicators may require it. We don't install mitigation systems — that's deliberate. Use whoever you trust to fix the problem; use the Canadian independent lab to verify it. Order an independent post-mitigation kit →

A quick note on the legal side

Not legal advice — talk to a lawyer in your province. Three places radon paperwork increasingly matters:

• Real-estate disclosure. Most provinces' SPIS forms now ask about known radon results.
• Tarion warranty (Ontario, up to $50,000 for 7 years on new builds) requires lab-analysed evidence in a specific form.
• Landlord duty of care. Once a tenant raises radon, declining to test creates a paper trail landlords don't want.

In all three cases, what protects you is the same: a C-NRPP-certified, long-term, lab-analyzed test result on file — preferably from a Canadian lab on Canadian paper.

→ See also: How to Claim the Tarion Radon Warranty in Ontario · Canadian Building Codes and Radon: 2026 Guide

FAQ

Why does the cheapest sticker price in Canada often cost about the same as $89 by the time I get a result? Reseller markup (typically +$10–$20), tracked return postage to the US lab ($15–$25), applicable tax, and the occasional customs delay or duties charge. AccuStar-based kits typically land at ~$65–$95+ all-in; Radonova-based kits typically land at ~$80–$105+ all-in. Plus tax on all of those. Our $89 (plus tax) lands inside both ranges — but without the cross-border path, the markup-versus-direct uncertainty, or the question of who supports you if something goes wrong. Skip the math — order $89 all-in →

Is the science any different at a Canadian lab vs. a US or European one? No. Lex Scientific is C-NRPP listed and ISO/IEC 17025 accredited — the same international quality standard as AccuStar and Radonova. All three options qualify for the Tarion warranty test when used per Tarion's criteria. The difference is everything around the science: customs path, data residency, supply chain, customer service, end-to-end timeline, and where your dollars go.

How long does it take to get my result? Lab analysis itself runs comparably (typically 5–10 business days from when the lab receives your sample). The end-to-end difference is the time before the sample reaches the lab — a domestic Canada Post envelope to Guelph is typically faster than a cross-border return that has to clear Canadian and US customs. We can't quote an exact number — postal and customs timing vary — but we've taken the entire border-crossing step out of the chain.

Will I actually get charged duties on a return shipment to the US? Usually no. But it does happen, particularly with private couriers and particularly when an envelope gets flagged for random inspection. Even when the duties are wrong and refundable, sorting it out is a phone-call mess. Zero customs risk with a Canadian lab.

What happens if my return envelope gets lost in the mail? With us: one phone call, one email, one team that owns your file end-to-end and can issue a replacement kit. With a reseller-based purchase, support varies — many resellers don't have dedicated post-purchase support, and you may end up coordinating between the reseller and the US lab yourself.

Does the RadonTest.ca kit qualify for a Tarion warranty claim? The test type qualifies. Our 91-day alpha-track kit meets Tarion's published test-type criteria: long-term test (≥3 months), C-NRPP-certified device, lab analysis. A qualifying test alone is not a complete claim. To file a Tarion radon warranty claim you also need the home to be within its 7-year warranty window from possession, a test result that exceeds the Health Canada guideline of 200 Bq/m³, the test conducted in the basement (not a crawl space), and the claim filed through Tarion's process. Walk through the full process in our Tarion radon warranty claim guide. AccuStar and Radonova long-term kits also meet the test-type criteria when used in line with Tarion's published rules — Tarion does not require a specific brand.

Why does "Canadian-owned" matter for a radon kit? A few reasons that have nothing to do with patriotism: data residency (your address and result stay under Canadian privacy law), economic resilience (your dollars support Canadian jobs and Canadian science), supply-chain stability (no kit shortages from cross-border policy shifts), and customer service that operates in your own time zone with no border between you and a resolution. Plus the patriotism, if that matters to you.

How often should I retest? Health Canada recommends every 5 years, or after any significant change to the home (new HVAC, basement renovation, foundation work). Sooner if you mitigated and want to confirm sustained reduction.

Are the prices in this article inclusive of tax? No. All prices on this page — ours and competitors' — are in CAD before applicable provincial and federal tax. In Ontario, 13% HST applies; in BC, 5% GST + 7% PST; and so on by province.

Order your Canadian radon test kit

$89, all-in (plus applicable tax). Made in Canada. Analyzed in Canada. Tracked both ways.

• Canadian-owned and operated, with direct Canadian customer service
• Sample analyzed at Lex Scientific, Guelph, Ontario — C-NRPP listed, ISO/IEC 17025 accredited
• Test type meets Tarion radon warranty criteria (long-term, C-NRPP, lab-analyzed) — see guide for full claim conditions
• Sticker = final price. No reseller markup. No US customs. No duties surprises.
• Typically faster end-to-end (no border crossing)
• 10 reminder emails so the test gets completed
• Independent of any mitigation business — clean post-mitigation paperwork

Order — $89 →

Disclaimers

Pricing & accuracy. All prices in this article are in CAD as of May 2026 and are before applicable provincial and federal taxes (e.g., 13% HST in Ontario). Competitor sticker prices, reseller markups, return-shipping costs, lab turnaround times, and customer service practices vary by vendor, by reseller, by individual shipment, and over time. All competitor figures should be independently verified with each vendor before relying on them. All-in cost ranges in this article are approximate, illustrative, and based on publicly available pricing plus typical add-on costs; an individual buyer's actual all-in cost may fall outside the stated ranges in either direction. If anything is out of date or inaccurate, please email us.

Customs and duties. Statements about cross-border delays, customs holds, and duties reflect customer-reported experience and published carrier policies. Outcomes vary by shipment, carrier, and timing. We cannot predict how any specific shipment will be processed by the Canada Border Services Agency or US Customs and Border Protection.

Lab turnaround. Comparative statements about end-to-end timeline reflect that domestic Canadian shipments do not require border crossing. Lab-side analysis time is generally comparable across providers. Actual end-to-end timing for any individual order varies with postal service, carrier, customs processing, and laboratory queue.

Customer service comparisons. Statements about reseller customer service ("varies by reseller", "many resellers don't have dedicated post-purchase support") describe a market-wide pattern across the dozens of Canadian resellers of AccuStar and Radonova products. Individual resellers vary, and some offer excellent support. We are not making a claim about any specific named reseller's service quality.

Tarion qualification. Statements that a kit "meets Tarion test-type criteria" or "qualifies" mean only that the test method (long-term alpha-track, C-NRPP-listed device, lab-analyzed) matches Tarion's published test requirements. They are not a representation that any specific home, test, or claim will be approved. A complete Tarion radon warranty claim also requires that the home be within its 7-year warranty window, that the test result exceeds the Health Canada guideline of 200 Bq/m³, that the test be conducted in the basement (not a crawl space), and that the claim be filed correctly through Tarion's process. Tarion's published rules govern any specific claim — see our Tarion claim guide and tarion.com. RadonTest.ca is independent from Tarion; we are not affiliated with, endorsed by, or licensed by the Tarion Warranty Corporation.

Lists change. C-NRPP's certified-professional / approved-lab listings and Tarion's published rules update regularly. Verify directly at C-NRPP Find a Professional and tarion.com.

Not legal, medical, or financial advice. Real-estate disclosure obligations, Tarion processes, and landlord/tenant duties vary by province. Consult a qualified professional.

Comparative claims. Comparisons in this article are between RadonTest.ca and the two underlying alpha-track platforms (AccuStar AT-100 and Radonova Radtrak³) that account for the substantial majority of long-term radon test kits sold in Canada through commercial channels. We do not represent that RadonTest.ca is the only Canadian-lab radon-test option