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Best selling products: Best Kidde Powerline/UPB Home Carbon Monoxide Detectors Detectors

BestsellingTop Rated
Google Nest Protect Smoke and Carbon Monoxide Alarm 2nd Gen - S3000BWES
Rank 1
Google Nest Protect Smoke and Carbon Monoxide Alarm 2nd Gen - S3000BWES
(406)
$150.00 New
$39.99 Used
Google Nest Protect Carbon Monoxide Smoke Detector - S3003LWES
Rank 2
Google Nest Protect Carbon Monoxide Smoke Detector - S3003LWES
(204)
$16.00 New
$14.54 Used
Kidde i4618 Firex Hardwired Smoke Alarm
Rank 3
Kidde i4618 Firex Hardwired Smoke Alarm
(2)
$25.00 New
No used products available
BRK First Alert 9120B Smoke Detector
Rank 4
BRK First Alert 9120B Smoke Detector
(569)
$15.50 New
$15.25 Used
Airthings Wave Radon Battery Operated Smart Radon Detector 2951 -
Rank 5
Airthings Wave Radon Battery Operated Smart Radon Detector 2951 -
(3)
$36.95 New
No used products available
Kidde Smart Smoke Carbon Monoxide Alarm Detector - P4010ACSCOAQWF
Rank 6
Kidde Smart Smoke Carbon Monoxide Alarm Detector - P4010ACSCOAQWF
(7)
$39.00 New
No used products available
Kidde 10 Year Sealed-In Battery-Powered Ionization Smoke Alarm
Rank 7
Kidde 10 Year Sealed-In Battery-Powered Ionization Smoke Alarm
(7)
$18.00 New
No used products available
Kidde 21007581 Hardwired Smoke Alarm with Battery Backup
Rank 8
Kidde 21007581 Hardwired Smoke Alarm with Battery Backup
(220)
$27.87 New
$23.99 Used
Kidde 21006378 Hardwire Smoke Alarm Detector
Rank 9
Kidde 21006378 Hardwire Smoke Alarm Detector
(124)
$27.99 New
No used products available
Kidde i9010 Smoke Alarm
Rank 10
Kidde i9010 Smoke Alarm
(11)
$18.88 New
No used products available
3 Pack Kidde 10-Year Battery Powered Smoke Detector with Photoelectric Sensor
Rank 11
3 Pack Kidde 10-Year Battery Powered Smoke Detector with Photoelectric Sensor
$54.00 New
$39.55 Used
Google Nest Temperature Sensor - White (T5000SF)
Rank 12
Google Nest Temperature Sensor - White (T5000SF)
(84)
$18.49 New
$14.99 Used
Digital Radon Detector Airthings 2350
Rank 13
Digital Radon Detector Airthings 2350
(99)
$50.00 New
$43.99 Used
Kidde Ring Enabled Smart Smoke Carbon Monoxide Alarm Detector - Wired -
Rank 14
Kidde Ring Enabled Smart Smoke Carbon Monoxide Alarm Detector - Wired -
$37.00 New
No used products available
Honeywell 5800SMOKEV Wireless Smoke Heat Detecto Factory / w Battery
Rank 15
Honeywell 5800SMOKEV Wireless Smoke Heat Detecto Factory / w Battery
(2)
$55.00 New
$45.95 Used
Kidde 30CUAR-V Smoke CO Detector Hardwired Voice Alert Battery Backup
Rank 16
Kidde 30CUAR-V Smoke CO Detector Hardwired Voice Alert Battery Backup
$40.00 New
No used products available
BRK SC9120B Smoke & Carbon Monoxide Detector
Rank 17
BRK SC9120B Smoke & Carbon Monoxide Detector
(24)
$51.00 New
$28.99 Used
Kidde P4010ACSCO-WF Smoke + Carbon Monoxide Smart Alarm
Rank 18
Kidde P4010ACSCO-WF Smoke + Carbon Monoxide Smart Alarm
(1)
$43.99 New
No used products available
First Alert 9120B6CP Smoke Alarm - 6 Pack
Rank 19
First Alert 9120B6CP Smoke Alarm - 6 Pack
(38)
$89.26 New
$12.34 Used
Kidde 21007588 120V AC wire-in Hush Smoke Alarm with Battery Backup - 4 Pack
Rank 20
Kidde 21007588 120V AC wire-in Hush Smoke Alarm with Battery Backup - 4 Pack
(42)
$67.99 New
$29.99 Used
Kidde 30CUA10 Detect Smoke Carbon Monoxide Alarm Open Box
Rank 21
Kidde 30CUA10 Detect Smoke Carbon Monoxide Alarm Open Box
$39.55 New
No used products available
First Alert CO710 Carbon Monoxide Detector with Digital Temperature Display (1039753)
Rank 22
First Alert CO710 Carbon Monoxide Detector with Digital Temperature Display (1039753)
(10)
$27.95 New
$9.00 Used
Kidde P3010CU Smoke and Carbon Monoxide Combination Detector - White, 2 Pack
Rank 23
Kidde P3010CU Smoke and Carbon Monoxide Combination Detector - White, 2 Pack
(20)
$78.99 New
No used products available
Kidde 21006377 Hardwired Combination Carbon Monoxide & Smoke Alarm
Rank 24
Kidde 21006377 Hardwired Combination Carbon Monoxide & Smoke Alarm
(181)
$99.99 New
$28.99 Used
Kidde I12060 Smoke Alarm - White
Rank 25
Kidde I12060 Smoke Alarm - White
(41)
$29.00 New
No used products available
Kidde Detect Smoke Alarm 20SA10 10-Year Never Change Battery and Smoke Alarm
Rank 26
Kidde Detect Smoke Alarm 20SA10 10-Year Never Change Battery and Smoke Alarm
(3)
$25.82 New
No used products available
Airthings 223 Corentium Home Radon Detector
Rank 27
Airthings 223 Corentium Home Radon Detector
(191)
$69.99 New
$44.99 Used
Kidde KN-COEG-3 Explosive Gas Alarm Carbon Monoxide Alarm Detector with Battery
Rank 28
Kidde KN-COEG-3 Explosive Gas Alarm Carbon Monoxide Alarm Detector with Battery
(111)
$42.98 New
$21.99 Used
Ring 4SS1S8-0EN0 Alarm Smoke & CO Listener
Rank 29
Ring 4SS1S8-0EN0 Alarm Smoke & CO Listener
(16)
$21.99 New
$17.99 Used
Kidde 30CUAR Detect Smoke Carbon Monoxide Alarm
Rank 30
Kidde 30CUAR Detect Smoke Carbon Monoxide Alarm
(3)
$29.99 New
No used products available
First Alert Z-Wave Smoke & Carbon Monoxide Detector Works with Ring
Rank 31
First Alert Z-Wave Smoke & Carbon Monoxide Detector Works with Ring
(31)
$24.99 New
$17.86 Used
System Sensor 2WTA-B I3 Series Smoke Detector
Rank 32
System Sensor 2WTA-B I3 Series Smoke Detector
(6)
$50.00 New
$20.24 Used
First Alert Smoke Detector - White
Rank 33
First Alert Smoke Detector - White
(19)
$21.95 New
$13.45 Used
Kidde P4010ACSAQ-WF Indoor Smoke Alarm - White
Rank 34
Kidde P4010ACSAQ-WF Indoor Smoke Alarm - White
(3)
$19.99 New
No used products available
Kidde Smoke Carbon Monoxide Detector Wire- Interconnect 900-0225
Rank 35
Kidde Smoke Carbon Monoxide Detector Wire- Interconnect 900-0225
(2)
$39.99 New
No used products available
Kidde 21026056 Model i9040 Ionization Smoke Alarm
Rank 36
Kidde 21026056 Model i9040 Ionization Smoke Alarm
(186)
$18.11 New
$13.50 Used
Kidde Kitchen Combination Smoke Carbon Monoxide Alarm 10-Year Lithium Battery
Rank 37
Kidde Kitchen Combination Smoke Carbon Monoxide Alarm 10-Year Lithium Battery
(34)
$29.99 New
$24.99 Used
Kidde 900-CUAR Smoke & Carbon Monoxide Detector Alarm - 21032250
Rank 38
Kidde 900-CUAR Smoke & Carbon Monoxide Detector Alarm - 21032250
(8)
$29.99 New
$28.95 Used
Kidde KN-COSM-BA Battery Operated Combination Smoke and Carbon Monoxide Alarm - White
Rank 39
Kidde KN-COSM-BA Battery Operated Combination Smoke and Carbon Monoxide Alarm - White
(30)
$69.99 New
No used products available
Kidde 21028744 Smoke Alarm - i9010
Rank 40
Kidde 21028744 Smoke Alarm - i9010
(43)
$18.99 New
$9.95 Used
2 Kidde Detect Smoke Carbon Monoxide Alarm 30CUA10
Rank 41
2 Kidde Detect Smoke Carbon Monoxide Alarm 30CUA10
(3)
$49.99 New
$22.99 Used
Kidde 21029886 Firex Smoke Detector Hardwired with Battery Backup Front Load D
Rank 42
Kidde 21029886 Firex Smoke Detector Hardwired with Battery Backup Front Load D
(21)
$25.99 New
No used products available
Airthings 2928 Wave Mini Smart Indoor Air Quality Monitor w/ Mold-Risk Indicator
Rank 43
Airthings 2928 Wave Mini Smart Indoor Air Quality Monitor w/ Mold-Risk Indicator
(1)
$19.50 New
$16.55 Used
SAFE-T-ALERT 35-742-WHT 603.111 Safe-T-Alert 35-742-WT Dual LP/CO Alarm - 12V
Rank 44
SAFE-T-ALERT 35-742-WHT 603.111 Safe-T-Alert 35-742-WT Dual LP/CO Alarm - 12V
$35.00 New
No used products available
BRK- (6) Count (6) Pack - SMCO210 - AC Battery Smoke & Carbon Monoxide Detector
Rank 45
BRK- (6) Count (6) Pack - SMCO210 - AC Battery Smoke & Carbon Monoxide Detector
$180.00 New
No used products available
Kidde FireX KN-COPE-IC Smoke & Carbon Monoxide Alarm 21007624 Photoelectric
Rank 46
Kidde FireX KN-COPE-IC Smoke & Carbon Monoxide Alarm 21007624 Photoelectric
(51)
$46.00 New
$24.99 Used
First Alert CO605 Carbon Monoxide Plug-In Alarm with Battery
Rank 47
First Alert CO605 Carbon Monoxide Plug-In Alarm with Battery
(32)
$18.49 New
$12.49 Used
Kidde KN-COP-DP-10YL-AQ-WF Carbon Monoxide Alarm w/ Indoor Air Quality Monitor
Rank 48
Kidde KN-COP-DP-10YL-AQ-WF Carbon Monoxide Alarm w/ Indoor Air Quality Monitor
(3)
$26.72 New
$17.99 Used
Kidde Firex Smoke Detector Hardwired Model SMACFEX Withe REGULAR SMOKE DETEC
Rank 49
Kidde Firex Smoke Detector Hardwired Model SMACFEX Withe REGULAR SMOKE DETEC
$25.19 New
No used products available
X-SENSE 3pack Combination Smoke and Carbon Monoxide Alarm - 10 YR Batt Life SC07
Rank 50
X-SENSE 3pack Combination Smoke and Carbon Monoxide Alarm - 10 YR Batt Life SC07
(6)
$25.00 New
No used products available
System Sensor CO1224T Carbon Monoxide Detector
Rank 51
System Sensor CO1224T Carbon Monoxide Detector
(7)
$49.99 New
$20.00 Used
Kidde Alarm Smoke Carbon Monoxide Combination 30CUDR DETECT 2 AA Battery
Rank 52
Kidde Alarm Smoke Carbon Monoxide Combination 30CUDR DETECT 2 AA Battery
(2)
$35.00 New
No used products available
Kidde 900007601 Nighthawk Carbon Monoxide Alarm with Digital Display - White
Rank 53
Kidde 900007601 Nighthawk Carbon Monoxide Alarm with Digital Display - White
(186)
$12.95 New
No used products available
Kidde 201025759 120V Tamper Resistant Plug-In Carbon Monoxide Detector
Rank 54
Kidde 201025759 120V Tamper Resistant Plug-In Carbon Monoxide Detector
(56)
$17.07 New
$9.75 Used
(2) BRK ELECTRONICS SMI100 BATTERY OPERATED SMOKE ALARMS-
Rank 55
(2) BRK ELECTRONICS SMI100 BATTERY OPERATED SMOKE ALARMS-
$13.99 New
$12.90 Used
Kidde 9CO5-LP2 Battery Powered Carbon Monoxide Alarm
Rank 56
Kidde 9CO5-LP2 Battery Powered Carbon Monoxide Alarm
(106)
$11.90 New
No used products available
Airthings 2950 Smart Radon Detector - White
Rank 57
Airthings 2950 Smart Radon Detector - White
(7)
$48.99 New
$44.99 Used
First Alert C0400 Carbon Monoxide Alarm - White
Rank 58
First Alert C0400 Carbon Monoxide Alarm - White
(39)
$16.49 New
$9.99 Used
Kidde Smoke and Carbon Monoxide Detector (P4010ACSCO-W)
Rank 59
Kidde Smoke and Carbon Monoxide Detector (P4010ACSCO-W)
(4)
$65.00 New
$20.99 Used
Honeywell Resideo Prosixsmokev Sixsmokeva 2-way Wireless Smoke Detector
Rank 60
Honeywell Resideo Prosixsmokev Sixsmokeva 2-way Wireless Smoke Detector
$64.95 New
No used products available
First Alert CO1210CP1 Carbon Monoxide Alarm - White
Rank 61
First Alert CO1210CP1 Carbon Monoxide Alarm - White
(29)
$12.77 New
No used products available
Kidde 30CUD10 Smoke & Carbon Monoxide Detector 10-Year Battery 4 Pack
Rank 62
Kidde 30CUD10 Smoke & Carbon Monoxide Detector 10-Year Battery 4 Pack
$99.99 New
No used products available
First Alert CO250B Carbon Monoxide Alarm Detector
Rank 63
First Alert CO250B Carbon Monoxide Alarm Detector
(21)
$12.95 New
No used products available
Honeywell Farenhyt Series Black 15-32 VDC Intelligent Addressable Photoelectric Smoke Detector (IDP-PHOTO-W)
Rank 64
Honeywell Farenhyt Series Black 15-32 VDC Intelligent Addressable Photoelectric Smoke Detector (IDP-PHOTO-W)
$89.99 New
$55.00 Used
Kidde Carbon Monoxide Alarm 120v Direct Wire W Battery Backup 900-0120 B24
Rank 65
Kidde Carbon Monoxide Alarm 120v Direct Wire W Battery Backup 900-0120 B24
(15)
$23.00 New
No used products available
KIDDE SMOKE AND CARBON DETECT SMOKE CARBON MONOXIDE ALARM 30CUAR
Rank 66
KIDDE SMOKE AND CARBON DETECT SMOKE CARBON MONOXIDE ALARM 30CUAR
$39.95 New
No used products available
(3) 2025 BRK SMI100-AC Interconnectable Ion Smoke Alarm w/ Battery Backup
Rank 67
(3) 2025 BRK SMI100-AC Interconnectable Ion Smoke Alarm w/ Battery Backup
(1)
$17.99 New
No used products available
First Alert 1042409 Photoelectric Smoke Detector - 2 Pack
Rank 68
First Alert 1042409 Photoelectric Smoke Detector - 2 Pack
(11)
$19.99 New
No used products available
BRK-First Alert 7030BSL Smoke & Carbon Monoxide Alarm with LED Strobe
Rank 69
BRK-First Alert 7030BSL Smoke & Carbon Monoxide Alarm with LED Strobe
$99.99 New
No used products available
Kidde 21033083 Combo Smoke/CO Alarm 5" Photoelectric Hardwired LED
Rank 70
Kidde 21033083 Combo Smoke/CO Alarm 5" Photoelectric Hardwired LED
$38.12 New
No used products available
Kidde Smoke Alarm Model 0916k 440375 No Battery Hush Button Kitchen
Rank 71
Kidde Smoke Alarm Model 0916k 440375 No Battery Hush Button Kitchen
(10)
$17.99 New
No used products available
X-Sense Combination Smoke and Carbon Monoxide Alarm SC07
Rank 72
X-Sense Combination Smoke and Carbon Monoxide Alarm SC07
(5)
$24.99 New
No used products available
First Alert Smoke & Fire Detector Alarm SA67D 9v
Rank 73
First Alert Smoke & Fire Detector Alarm SA67D 9v
(12)
$18.99 New
No used products available
Code One Battery Operated Smoke Detector with Ionization Sensor (929281) - 6 Pack
Rank 74
Code One Battery Operated Smoke Detector with Ionization Sensor (929281) - 6 Pack
(175)
$87.99 New
No used products available
First Alert P1010 10-Year Battery Atom Photoelectric Micro Smoke Alarm - White (1039765)
Rank 75
First Alert P1010 10-Year Battery Atom Photoelectric Micro Smoke Alarm - White (1039765)
(5)
$37.00 New
No used products available
Kidde Hardwired Smoke & Carbon Monoxide Detector 10-Year Battery Backup
Rank 76
Kidde Hardwired Smoke & Carbon Monoxide Detector 10-Year Battery Backup
$65.08 New
No used products available
Kidde Bedroom Smoke Alarm 0916LLN Battery Operated
Rank 77
Kidde Bedroom Smoke Alarm 0916LLN Battery Operated
(4)
$23.99 New
$18.00 Used
Kidde i12010S Worry- Hardwired Smoke Alarm 10 Year Life Battery Backup 120V
Rank 78
Kidde i12010S Worry- Hardwired Smoke Alarm 10 Year Life Battery Backup 120V
(40)
$37.99 New
No used products available
First Alert 1039746 Dual-Power Carbon Monoxide Plug-In Alarm with Battery Backup and Digital Display
Rank 79
First Alert 1039746 Dual-Power Carbon Monoxide Plug-In Alarm with Battery Backup and Digital Display
(8)
$27.75 New
$18.00 Used
Honeywell Resideo 5800COV Carbon Monoxide CO Detector
Rank 80
Honeywell Resideo 5800COV Carbon Monoxide CO Detector
$76.00 New
$40.00 Used
BRK 7010B 120V AC/DC Photo Smoke Alarm
Rank 81
BRK 7010B 120V AC/DC Photo Smoke Alarm
(1)
$220.75 New
$40.00 Used
First Alert CO605 Plug-In Carbon Monoxide Alarm
Rank 82
First Alert CO605 Plug-In Carbon Monoxide Alarm
(7)
$14.81 New
$9.99 Used
Code One I9010 Lithium Ion Battery Operated Smoke Alarm - 3 Pack
Rank 83
Code One I9010 Lithium Ion Battery Operated Smoke Alarm - 3 Pack
(16)
$40.04 New
No used products available
4518 Firex Smoke Alarm Detector 120vac 1z-2070-a11
Rank 84
4518 Firex Smoke Alarm Detector 120vac 1z-2070-a11
(1)
$26.99 New
No used products available
First Alert BRK SC9120B-6 Hardwired Alarm Smoke Detector Pack of 6
Rank 85
First Alert BRK SC9120B-6 Hardwired Alarm Smoke Detector Pack of 6
$12.50 New
No used products available
First Alert Plug-in Carbon Monoxide Alarm Fat1039730
Rank 86
First Alert Plug-in Carbon Monoxide Alarm Fat1039730
(2)
$11.99 New
No used products available
Kidde 20SD10-V Detect Modern 5” Smoke Alarm - 10 Year Never Change Battery -
Rank 87
Kidde 20SD10-V Detect Modern 5” Smoke Alarm - 10 Year Never Change Battery -
$25.00 New
No used products available
Samsung SmartThings ADT Carbon Monoxide Alarm
Rank 88
Samsung SmartThings ADT Carbon Monoxide Alarm
(1)
$12.99 New
No used products available
First Alert Smoke and Fire Alarm Set of 2 White Photoelectric Sensor Sa710cp2
Rank 89
First Alert Smoke and Fire Alarm Set of 2 White Photoelectric Sensor Sa710cp2
(11)
$15.95 New
$7.46 Used
Kidde 10SDR Compact 4" Battery Powered Smoke Detector with Photoelectric Sensor
Rank 90
Kidde 10SDR Compact 4" Battery Powered Smoke Detector with Photoelectric Sensor
$73.11 New
No used products available
Kidde Carbon Monoxide Alarm Kn-cob-dp-h 900-0107 Plug in Detector 85db
Rank 91
Kidde Carbon Monoxide Alarm Kn-cob-dp-h 900-0107 Plug in Detector 85db
(4)
$19.99 New
No used products available
Kidde Worry Carbon Monoxide Alarm 10 Year Battery C3010d
Rank 92
Kidde Worry Carbon Monoxide Alarm 10 Year Battery C3010d
(3)
$19.99 New
No used products available
Universal Security Instruments MC304SB 10 Year Battery Carbon Monoxide Detector - White
Rank 93
Universal Security Instruments MC304SB 10 Year Battery Carbon Monoxide Detector - White
(7)
$35.61 New
$17.49 Used
10 Year Kidde Smoke Alarm Detector Interconnected With Photoelectric Sensor
Rank 94
10 Year Kidde Smoke Alarm Detector Interconnected With Photoelectric Sensor
$28.80 New
No used products available
BRK Brands CO5120BN Hardwire Carbon Monoxide Alarm With Battery Backup
Rank 95
BRK Brands CO5120BN Hardwire Carbon Monoxide Alarm With Battery Backup
(17)
$39.49 New
No used products available
Kidde i12040 Ionization Smoke Detector with Battery Backup - Pack of 6
Rank 96
Kidde i12040 Ionization Smoke Detector with Battery Backup - Pack of 6
(157)
$56.66 New
No used products available
Kidde P4010ACSCO AC Hardwired Combination 1 Carbon Monoxide & Photoelectric
Rank 97
Kidde P4010ACSCO AC Hardwired Combination 1 Carbon Monoxide & Photoelectric
(8)
$47.45 New
No used products available