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Best Smart Smoke & CO Detectors Under $100

All the smart smoke & CO detectors in our catalog priced under $100, ranked best first, with live prices, real owner ratings and full specs so you can compare before you buy.

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11
Products
6
Brands
$20.79
Prices from
37%
Top discount

Kidde Smart Smoke & CO Detector with Ring is the top pick among smart smoke & CO detectors under $100, rated 4.3 stars across 458 customer reviews.

11 products

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FAQ

Frequently asked questions

What are the best smart smoke & CO detectors under $100?

Kidde Smart Smoke & CO Detector with Ring, Eufy Smoke Alarm E10 and First Alert SMCO410 Smoke Detector & CO Alarm lead our ranking of smart smoke & CO detectors under $100, ordered by customer rating weighted by how many reviews back it. The full list compares 11 products in this price range.

How many smart smoke & CO detectors cost less than $100?

This page tracks 11 smart smoke & CO detectors under $100 from 6 brands, with prices starting at $20.79.

Are these prices up to date?

Prices come from each product's Amazon listing and are re-checked continuously, so every card shows the latest price we have. A product whose price rises above $100 drops off this list on the next update.

Looking for more than $100?

See all the smoke & CO detectors in the catalog, compared side by side on specs, price and rating.

Browse all Smoke & CO Detectors
Independent · Not sponsoredBrands never pay for placement or rankings. Affiliate commissions never influence our comparisons.
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