21 Of Best Smoke Carbon Monoxide Alarms In 2024

TOP 1

Kidde Nighthawk Carbon Monoxide Detector

Kidde
KN-COPP-3
6.06 x 3.75 x 1.75 inches
3.00 pounds

Our Score

4.95
TOP 2

Kidde Smoke & Carbon Monoxide Detector

Kidde
KN-COSM-BA
1.80 x 5.60 x 5.60 inches
0.80 pounds

Our Score

4.9
TOP 3

First Alert BRK SC7010B Hardwired Smoke and Carbon Monoxide Detector

FIRST ALERT
SC7010B
5.00 x 5.00 x 2.00 inches
0.70 pounds

Our Score

4.8
TOP 4

FIRST ALERT BRK SC9120B Hardwired Smoke and Carbon Monoxide Detector

FIRST ALERT
SC9120B
5.60 x 5.60 x 1.90 inches
0.25 pounds

Our Score

4.7
TOP 5

Kidde Smoke & Carbon Monoxide Detector

Kidde
KN-COSM-IBA
2.00 x 6.00 x 6.00 inches
0.40 pounds

Our Score

4.6
TOP 6

First Alert BRK PRC710 Smoke and Carbon Monoxide Alarm

First Alert
PRC710
4.92 x 4.92 x 0.96 inches
1.40 pounds

Our Score

4.6
TOP 7

2 Pack Combination Photoelectric Smoke Alarm and Carbon Monoxide Detector Digital Display

Lecoolife
GS528A

Our Score

4.5
TOP 8

First Alert Z-Wave Smoke Detector & Carbon Monoxide Alarm

FIRST ALERT
1044807
3.66 x 6.75 x 8.50 inches
0.68 pounds

Our Score

4.45
TOP 9

Kidde KN-COSM-BA Battery-Operated Combination Carbon Monoxide and Smoke Alarm

Kidde
KN-COSM-BA
5.60 x 5.60 x 1.80 inches
0.65 pounds

Our Score

4.45
TOP 10

First Alert SCO7CN Combination Smoke and Carbon Monoxide Detector

FIRST ALERT
PC900V
5.00 x 2.00 x 5.00 inches
0.67 pounds

Our Score

4.45
TOP 11

FIRST ALERT BRK SC9120B-3 Hardwired Smoke and Carbon Monoxide Detector

FIRST ALERT
BRK SC9120B-3
5.60 x 5.60 x 2.20 inches
0.70 pounds

Our Score

4.4
TOP 12

FIRST ALERT BRK SC7010BV Hardwired Talking Photoelectric Smoke and Carbon Monoxide Detector

FIRST ALERT
SC7010BV
5.13 x 2.38 x 5.13 inches
0.70 pounds

Our Score

4.4
TOP 13

First Alert SCO501CN-3ST Wireless Interconnected Combination Smoke and Carbon Monoxide Alarm

FIRST ALERT
SCO500
5.00 x 5.00 x 2.00 inches
0.20 pounds

Our Score

4.3
TOP 14

X-Sense 2-in-1 Smoke and Carbon Monoxide Detector Alarm

X-Sense
SC06
5.70 x 5.70 x 2.00 inches
2.90 pounds

Our Score

4.2
TOP 15

First Alert SCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm

FIRST ALERT
OLCOMBOVFF
5.13 x 2.38 x 5.13 inches
0.60 pounds

Our Score

4.1
TOP 16

X-Sense 10 Year Battery Smoke and Carbon Monoxide Detector

X-Sense
SC01
5.70 x 5.70 x 2.00 inches
0.69 pounds

Our Score

4.1
TOP 17

First Alert BRK SC9120B-6 Hardwired Smoke and Carbon Monoxide Detector

FIRST ALERT
BRK SC9120B-6
5.60 x 5.60 x 2.20 inches
0.70 pounds

Our Score

4
TOP 18

3 Pack 10 Year Battery Operated Smoke Detector and Carbon Monoxide Detector

Elvicto
GS811-A

Our Score

4
TOP 19

Kidde Smoke & Carbon Monoxide Detector

Kidde
P3010k-CO
5.22 x 5.22 x 1.60 inches
0.31 pounds

Our Score

3.9
TOP 20

Kidde Smoke & Carbon Monoxide Detector

Kidde
P3010CU
5.22 x 1.60 x 5.22 inches

Our Score

3.85
TOP 21

First Alert BRK SC-9120B Hardwired Smoke and Carbon Monoxide Detector

FIRST ALERT
SC9120B
5.59 x 2.25 x 5.69 inches
0.65 pounds

Our Score

3.75