Great Combination Smoke Carbon Monoxide Detectors Deals & Low Prices

Last Updated - March 2026

Best Choice
First Alert

First Alert SCO5RVA Battery Operated Combination Carbon Monoxide and Smoke Alarm
Combination smoke detector/carbon monoxide alarm detects two threats

CA$45.45
First Alert

First Alert SCO5RVA Battery Operated Combination Carbon Monoxide and Smoke Alarm
Combination smoke detector/carbon monoxide alarm detects two threats

CA$36.35
Best Value
IQYEF

5-in-1Upgraded Plug-in Carbon Monoxide Detector, Combination Carbon Monoxide & Smoke &Gas Alarm, Builti-in Backup Batter
【5in1 Upgraded CO & Smoke &Natural gas detectors】IQYEF’s latest combination 5-in-1 detectors Integrated carbon monoxide,

CA$41.98 CA$179.99
GLBSUNION

Combination Smoke and Carbon Monoxide Detector Alarm, Beeps Warning Smoke Co Alarm Clock for Travel Home Bedroom Living
✅Test this alarm First, HOW TO TEST IT(3 steps): 1. Install the batteries in clean air, then press the test button for f

CA$39.99
19% Off
Gedsffati

5-in-1 Plug in Carbon Monoxide Detector & Smoke & Natural Gas Combination Detectors with Backup Battery Temp Humidity 85
【5in1 CO & Smoke &Natural gas detectors】Our Gedsffati All-in-1 combination detectors Integrated carbon monoxide, smoke,

CA$42.99 CA$52.99
32% Off
First Alert

First Alert Battery Operated Smoke and Carbon Monoxide Alarm, White, PRC700A-6
Provides 2-in-1 protection from two deadly threats

CA$33.88 CA$49.99
First Alert

First Alert SC9120BA Hardwire Smoke & Carbon Monoxide Alarm
120-Volt hardwired smoke and carbon monoxide alarms wire directly into your electrical system

CA$64.00
First Alert

First Alert SC9120LBLA Hardwire Smoke/Carbon Monoxide Alarm 10 Year Battery
120-Volt hardwired smoke and carbon monoxide alarms wire directly into your electrical system

CA$72.99
First Alert

First Alert SC9120BCA Hardwire Combination Carbon Monoxide and Smoke Alarm
120-Volt hard-wired detector. Electrochemical, Ionization sensor type

CA$62.00
Ledronco

Carbon Monoxide Detector,CO Alarm Detector with Digital Display and Sound Alarm for Home 2pcs
1：Light and Sound Alarm Warning: When a dangerous level of carbon monoxide is detected the red LED will flash and the al

CA$38.99

10 Combination Smoke Carbon Monoxide Detectors deals are available from: Amazon stores, starting from CA$33.88.
The biggest discount we found is 77% on 5-in-1Upgraded Plug-in Carbon Monoxide Detector, Combination Carbon Monoxide & Smoke &Gas Alarm, Builti-in Backup Battery and HD Screen for Home at Amazon.
The lowest price we found is CA$33.88 while the highest is CA$72.99.
Prices for the best Combination Smoke Carbon Monoxide Detectors deals average at CA$47.86.
Last updated on March 13, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Combination Smoke Carbon Monoxide Detectors.