X-Sense warranty for smoke & CO alarms
The short version
X-Sense covers smoke & CO alarms in full for 5 years, with no partial coverage after that. That full coverage is longer than most of the 4 brands we compared, which typically cover nothing in full. You don't need to register to get this coverage.
From X-Sense's published warranty, checked October 2026.
What's covered
Full coverage: everything, parts and laborPartial coverage: some parts only, you usually pay labor
Purchase5 yrs10 yrs+Full: 5 yearsNo partial coverage
- Full coverageWhole alarm5 years
The fine print, decoded
What it leaves out
- Accidental breaks and misuse
Good to know before you buy
- Only alarms bought from X-Sense, its Amazon store or its Walmart store are covered. Keep your order number.
- Coverage starts the day the alarm is delivered.
- Include photos or video of the problem and the troubleshooting you tried when you file a claim.
How other brands compare for smoke & CO alarms
- 1. First Alert65/100 · Full: 10 years
- 3. Kidde35/100 · Full: None
- 4. Onelink23/100 · Full: None
Where you buy it matters
How long stores give you to return it
Longest return window first, for smoke & CO alarms.
- CostcoMost itemsNo fixed deadline
- Lowe'sMost items90 days
- The Home DepotMost items90 days
- WalmartMost items90 days
- Ace HardwareMost items30 days
- Do it BestMost items30 days
Show all 7 stores
- Best BuyMost items15 days from delivery
From each store's published return policy, using its rule for smoke & CO alarms where it has one. Member and holiday extensions aren't counted. Check yours before you buy.
Work at X-Sense and see something out of date? Send us the current terms and we'll check and update this page.Suggest a correction
I-BUY.AI isn't paid by any brand, and ratings can't be bought. How we rate warranties