Updated 3/31/2014

Don't forget the battery: Ultra Life 10 Year Smoke Detector Battery

Manufacturer Model number(s) A brief description of each column is below the table.
Score Smoke Heat GasConnectLightTalkingPower
IonPhotoFixedRORCOppmNGLPDCAC
First AlertGCO1CN / GCO1B5    XXXX   XX
Kidde900-0113 / KN-COEG-35    XXXX   XX
Kidde900-0114 / KN-COSM-IB5X   X   X XXX
Kidde21007624 / 900-0213 / KN-COPE-I5 X  X   X XXX
BRKSC7010BV5 X  X   X XXX
American Sensors770LBX4XX      X  XX
BRK7020B4 X      XX XX
BRKCO5120PDBN / CO5120PDB4    XX  X  XX
BRKHD6135FB4  XX    X  XX
BRKSC9120B / SC6120B4X   X   X  XX
BRKSC7010B4 X  X   X  XX
EverdaySD-728-H-A2BI4 XX     X  XX
FireX12000 / 12000C / 7000 / FADCM / FADCO4X   X   X  XX
First AlertSCO501CN-3ST / SCO500 / SCO501 / SA5004 X  X   X XX 
First AlertSCO7CN / SCO74 X  XX    XX 
First AlertSA773CN4XX      X  XX
GE Security60-848-02-95 / 60-849-02-95 / NX-491NT4 XXX    X  X 
GentexGN-503 / GN-503F4 X  X   X  XX
Gentex7109CS / 7109CSX / 7139CS / 7139CSX4 X      XX XX
Gentex9120T / 9120H / 9120TF / 9120HF / 9123T / 9123H / 9123TF /9123HF / 9220T / 9220H / 9220TF / 9220HF / 9223T / 9223H / 9223TF / 9223HF4 XX     X  XX
Kidde1285 / 1285E / 440382 / i120804X       XX XX
Kidde900-0121 / KN-COP-IC4    XX  X  XX
KiddePI2010 / PI2000 / 4420064XX      X  XX
Kidde21007426 / 900-0232 / KN-COPF-i4    XX  X  7yX
MasterGuardMGEB-400T4 XX     X  XX
UniversalCD-94904    XX  X  XX
UniversalCD-97954X   X   X  XX
USI Electric74904    XX  X  XX
USI Electric77954X   X   X  XX
American Sensors470LBX3 X      X  XX
American Sensors670LBR3X       X  10yX
American Sensors670LBX / SA3793X       X  XX
American Sensors770L3XX      X   X
American SensorsCO851 / CO852 / CO9203    XX     XX
American SensorsCOS20103X   X   X   X
BRK100S3X       XX  X
BRK2002RAC / 7010B3 X      X  XX
BRK4120B / 4120SB / 9120B3X       X  XX
BRK5919TH3 XX     X   X
BRKCO5120B / CO5120BN3    X   X  XX
BRKCO6120PBD3    XX     XX
Bryant 3    XX     7yX
Carrier 3    XX     7yX
EverdayF-911-I3      XXX   X
EverdaySD-728-A2BI / SD-733-A2BI / SD-738-ABI3 X      X  XX
EverdaySD-728-H-A2B3 XX        XX
EverdaySD-728-H-A2I3 XX     X   X
EverdaySD-728-HI3 XX     X  X 
Family Safety ProductsHS80504 / HS80104 / HS80004 / SM-TT-2023    X XX    X
FireXADC / FADC / 4618 / 5000 / 50004 / 4618 / 46182 / 46184 / 4518/ 4518C / 45184 / 451893X       X  XX
FireXADH / 57003  X     X  XX
FireXCOE / 10000 / 10000C3    X   X  XX
FireXGCM / 12220 / 12400C3X   X   X   X
FireXPAD / 4480 / FPAD / 45803 X      X  XX
First AlertCO511 / CO511CN3    X   X XX 
First AlertFCD4 / FCD4N / FCD4CN-3 / CO615 / CO614CP13    XX     XX
First AlertSA4121 / SA4121B3X       X  XX
First AlertSA511 / SA511CN2-3ST3 X      X XX 
First AlertSA520 / SA521 / SA521CN-3ST3 X      X  XX
GE Security350 / 350CC / 350CX3 X      X  XX
GE Security560NST / 562NST3 XXX       X 
Gentex7100T / 7100H / 7100TF / 7100HF / 7103T / 7103H / 7103TF /7103HF / 7200T / 7200H / 7203T / 7203H3 XX     X   X
Gentex7109LS / 7139LS3 X       X XX
Gentex710CS / 710CSX / 713CS / 713CSX3 X      XX  X
GentexGN-300 / GN-303 / 9120 / 9120F / 9123 / 9123F / 9220 / 9220F /9223 / 9223F3 X      X  XX
GentexCO1209 / CO1209F3    X   X  XX
Honeywell58093  XX    X  X 
Honeywell5808LST / 5808W33 XX     X  X 
Kidde1275 / 1276 / 1296 / RF-SM-AC / 1275E / 440381 / 1276E / 1296E/ i12040 / i12060 / i5000 / i46183X       X  XX
Kidde21007288 / KN-SMFM-i3X       X  10yX
KiddeHD135 / HD135F3  X     X  XX
KiddeKN-COB-IC / 900-01203    X   X  XX
KiddeKN-COPP-3 / 900-0076 / KN-COP-DP-LS / 900-02343    XX     XX
KiddeKN-COSM-B / 900-0102 / KN-COSM-XTR-B / 900-02163X   X     XX 
KiddePE120 / PE120E / 4403993 X      X  XX
SignalOne125053 X        XXX
UniversalCD-93903    X   X  XX
UniversalCD-94853    XX  X   X
UniversalCD-96903    XX     XX
UniversalSS-28953 X      X  XX
UniversalSS-790 / SS-795 / SS-27953X       X  XX
USI Electric11033X       X  10yX
USI Electric24303  X     X  XX
USI Electric32043 X      X  XX
USI Electric73903    X   X  XX
USI Electric74853    XX  X   X
USI Electric1204 / 1209 / 52043X       X  XX
USI ElectricCD-96903    XX     XX
American Sensors470L / 470LR2 X      X   X
American Sensors770B / SA7002XX         X 
American SensorsASD1002X       X  12v 
American SensorsASD2002 X      X  12v 
American SensorsCO8502    XX     X 
American SensorsCO8RD2    XX     12v 
American SensorsCO9002    X      XX
American SensorsCO9102    XX      X
American SensorsSA3582X        X X 
American SensorsSA360 / ESA50112X       X   X
Atwood Mobile Products376822    XX     X 
BRK3001 / 30022XX         X 
BRK4120 / 91202X       X   X
BRK5919 / 70102 X      X   X
BRKCO2120PDN2    XX      X
BRKHD6135F2  X     X   X
BRKMP1202      XX    X
BRKSC1000B2X   X      X 
CCI Controls7540 / 76872       X   XX
CCI Controls7550 / 76972      X    XX
CO Experts2002 / 20042    XX     X 
DuPontCO8282    XX     X 
DuPontSC2022X       X   X
EverdayF-9112      XX    X
EverdayHD-20012  X        XX
EverdayM-330W2    X   X  X 
EverdaySD-728-A2B / SD-738-AB2 X         XX
EverdaySD-728-A2I / SD-738-AI2 X      X   X
EverdaySD-728-H / SD-733-H2 XX        X 
EverdaySD-728-H-A22 XX         X
EverdaySD-728-I / SD-733-I / SD-738-I2 X      X  X 
EverdaySD-738-CI2 X      X  12v 
Family Safety ProductsHS805012      XX    X
Fireboy XintexCMD-4MR-RLY2    X   X  12v 
FireXCCPB / 40212XX         X 
FireXCEC / 40092X        X X 
FireXCOEA / COQ3 / 6035 / 10400C2    X   X   X
FireXFXW-R / G / G-18 / G-6 / GC / 41216 / 406 / 406C / 418C / 428/ 428C2X       X   X
FireXPG-40 / 484 / 484C2 X      X   X
FireXTPCI / 4671 / 4671C2X       X  X 
First AlertCO4102    XX     X 
First AlertFCD2BT / CO6052    X      XX
First AlertFCD2DDBN / FCD2DDNP / FCD2DDN2    XX      X
First AlertSA100B2X        X  X
First AlertSA150 / SA150B / SA304 / SA304CN32X        X X 
First AlertSA302 / SA302CN / SA320CN2XX         X 
First AlertSA302LCN2XX         10y 
First AlertSA304LCN2X        X 10y 
First AlertSA41202X       X   X
First AlertSA500 / SA501 / SA501CN-3ST / SA501CN2-3ST2 X      X  X 
First AlertSA720CN2 X       X X 
First AlertSA9120BCN2X          XX
First AlertSC01 / SC01N / SC01BN2X   X      X 
First AlertSCO5CN / SCO52 X  X      X 
GE Security320 / 320A / 320ACC / 320ACX2 X      X   X
GE Security570NS2 X      X  X 
Gentex710LS / 713LS2 X       X  X
GentexGN-200 / GN-203 / 7100 / 7100F / 7103 / 7103F / 7200 / 7200F /7203 / 7203F2 X      X   X
Kidde0918 / 0918E / 0918K / 4403762X        X X 
Kidde1235 / 1235E / 440379 / i120202X       X   X
KiddeKN-COB-LCB-A / 21006137 / 900-0193 / KN-COB-DP-LS / 900-02352    X      XX
KiddeKN-COP-C / KN-COP-DP / KN-COP-HW / 900-00562    XX      X
KiddeKN-COPP-B / 900-0146 / 900-0089 / KN-COPP-B-LS / 900-02302    XX     X 
KiddePI9000 / 4420072XX         X 
KiddeRF-SM-DC / 0976 / 210056722X       X  X 
KingdunKD-101C / KD-101D2 X      X  X 
MasterGuardMGB-380T2 XX        X 
MasterGuardMGE-380LS2 X       X X 
MasterGuardGS-5002      XX    X
ProTech7035 / 7035-SL / 85052    XX     X 
ProTech80102    XX      X
Safe-T-Alert30-441RV / 40-441RV / 40-442RV2      XX   12v 
Safe-T-Alert40-4112      XX    X
Senco SensorsONE2    XX     X 
SignalOne125042 X        XX 
S-TechCRCO-0152    X     X X
S-TechPS-001N2    XX     12v 
S-TechSTCO-100HWFN / STCO-100HWRN2    X   X   X
S-TechSTCO-8502    XX      X
UniversalCD-93852    X   X   X
UniversalCD-95902    X      XX
UniversalCD-96852    XX      X
UniversalCD-97752X   X      X 
UniversalSS-7852X       X   X
USI Electric12132X       X   X
USI Electric73852    X   X   X
USI Electric76852    XX      X
USI ElectricCD-95902    X      XX
American Sensors470B / SA3881 X         X 
American SensorsCO1100G1    X      X 
American SensorsCO800 / CO810 / COS-2001    X       X
American SensorsLP200 / LP400 / LP6431       X    X
American SensorsLP401A1       X   12v 
American SensorsLP405A1       X    12v
American SensorsNG200 / NG400 / NG6431      X     X
American SensorsNG401A1      X    12v 
American SensorsNG405A1      X     12v
American SensorsSA900 / SA9011X          10y 
American SensorsSF200 / SA308 / SA310 / SA318 / SA3201X          X 
Aprilaire18001    X      X 
Atwood Mobile Products376831    X      X 
Atwood Mobile Products37063 / 37104 / 37105 / 37106 / 37761 / 377621       X   12v 
BRK20021 X         X 
BRK4000LB / 83R / 83RN1X          X 
BRK4010YR1X          10y 
BRKCO2120PN1    X       X
BRKCO3000B1    X      X 
CCI Controls3400 (DC or AC)1    X      12vX
CCI Controls7719 / 7730 / 7740 / 7770 / 7771 / 77731       X   12v 
Del-RainLifetime / DCO-201    X       X
DuPontCO8081    X      X 
DuPontPS1311X           X
EverdayECG-983L1       X   12v 
EverdayECG-983N1      X    12v 
EverdayECG-986L1       X   24v 
EverdayECG-986N1      X    24v 
EverdayECO-9831    X      12v 
EverdayM-3301    X      X 
EverdaySD-3601 X         10y 
EverdaySD-728 / SD-733 / SD-7381 X         X 
EverdaySD-728-A2 / SD-738-A1 X          X
EverdaySD-738-C1 X         12v 
Fireboy XintexCMD-1M-9V / CMD-1MR-9V1    X      X 
Fireboy XintexCMD-2M / CMD-3M / CMD-4MR1    X      12v 
FireXA / B / C / CC / 4003 / 461 / 462 / 465 / 4651 / 465C1X          X 
FireXCOE-B / FADCM-B / 10200 / 10200C / 12200 / 12200C1    X      X 
FireXCOQ1 / 6030 / 60801    X       X
FireXPB / CPBC / 4006 / 480 / 480C1 X         X 
First AlertFCD2BN / FCD2CN / FCD2N / FCD2NP / CO6001    X       X
First AlertFCD3BN / FCD3N / CO4001    X      X 
First AlertSA10YR / SA97 / SA97B / SA340CN / SA305CN31X          10y 
First AlertSA300 / SA303 / SA305 / SA67 / SA67B / SA87 / SA87B / SA88 /SA90 / SA90B / SA303CN3 / SA300CN2 / SA300CN3 / FG888D / FG888CL1X          X 
First AlertSA710 / SA710CN1 X         X 
First AlertSA710LCN1 X         10y 
GE Security560NS / 562NS1 X         X 
Kidde0910 / 900-0136 / 210051171X          10y 
Kidde0913 / 0914 / 0914E / 0915 / 0915K / 0916 / 0916K / 900-0159 /440374 / 4403751X          X 
KiddeKN-COB-B / 9CO5 / 900-0090 / KN-COB-B-LS / 900-02331    X      X 
KiddeKN-COB-DP-H / 900-01071    X       X
KiddePE9 / 4403781 X         X 
KingdunHS-101 / HS-104 / KD-107 / KD-108 / HS-103A1 X         X 
KingdunKD-1061    X       X
KingdunKD-106C1    X      X 
MasterGuardMGB-3801 X         X 
MasterGuardMG-CO/20001    X      X 
ProTech7010 / 7020 / 7050-PL / 70801    X       X
ProTech7030-SL1    X      X 
Quantum GuardianQG-1001    X      X 
Safe-T-Alert60-511 / 60-521 / 60-5311    X       X
Safe-T-Alert60-541 / 60-5421    X      12v 
Safe-T-AlertSA 668S / SA 668M1X          X 
S-TechPS-002N / PSM-0111    X      12v 
S-TechSTCH-10001      X     X
S-TechSTCO-058 / STCO-100HN1    X       X
S-TechSTCO-3001    X      X 
S-TechSTCP-10001       X    X
S-TechSTCP-4000 (DC or AC)1       X   12v12v
UltraGuard12SIR1    X      12v 
UniversalCD-90001    X      X 
UniversalCD-95851    X       X
UniversalSS-3761X          3y 
UniversalSS-770 / SS-7751X          X 
UniversalSS-8761X          10y 
UniversalSS-9011 X         X 
USI Electric75851    X       X
USI Electric1122L1X          10y 
USI Electric1223L / 1227L / SS-7701X          X 
USI ElectricCD-90001    X      X 
USI ElectricSS-9011 X         X 

Each alarm's score is simply a count of the number of life saving features it incorporates. Many alarms have special features such as a remote silence function, easy access battery door, quick connect power harness, etc. that are nice to have, but don't really save lives, and so are not represented here. A 12 is a perfect score. Basically don't waste your money on any that score below a 4.

There are two basic types of sensors used in smoke detectors. Ionization type detectors are better at detecting the small (less than 1 micron) smoke particles from fast flaming fires, while photoelectric type detectors are better at detecting the relatively large smoke particles from slow smoldering fires.

Heat detectors react to the heat emitted by a fire, rather than the smoke. Again, there are two basic types. Fixed temperature detectors alarm when room temperature exceeds a specified point (commonly 135° fahrenheit). Rate of rise (ROR) detectors alarm when the room temperature rises at more than a specified rate (typically 15° fahrenheit in less than a minute).

Carbon monoxide (CO) is a colorless, odorless, tasteless gas that kills approximately 2,100 people each year in the US. Several localities have lately passed legislation requiring CO detectors near sleeping areas. Once detected however, if the alarm does not indicate the concentration of CO in the air (ppm) then the best course of action is not always evident. This information is normally given on a LCD display, however talking alarms can also simply say it.

Natural Gas (methane) and LP gas (propane) leaks can have explosive consequences. Early detection is critical to allow sufficient time for evacuation. Note that although many alarms detect both gases, methane rises while propane settles, so depending upon your placement the alarm may only be effective in detecting one or the other.

In larger homes the alarm that detects a problem can be too far away for everyone to hear. Connecting multiple alarms together allows them all to alarm when any of them detect a problem. Note that many alarms will only connect to others of the same type.

Alarms with a built in light can help you see where you are going through the thick smoke of a fire.

No one can be expected to memorize the different sounds every alarm in their home can generate. Talking alarms allow you to immediately know what is causing the alarm, helping you to determine the correct course of action to save your life and the lives of your family.

Nearly a thousand people are killed each year in the US because the batteries in their smoke detectors are dead or missing. Connecting the alarm to the household electricity ("AC") can mitigate this risk. However, fires can cause the loss of power to the alarms. Having a battery ("DC") as well as an electrical connection allows the alarm to activate even when the power is out. Every alarm has to get power somehow, so alarms are only given a point here if they support redundant power sources. Devices designed to run off of 12v DC for mobile use are designated as such. Some devices have internal lithium batteries that cannot be replaced. Though this prevents disabling the alarm by removing the battery, it also limits the alarm's lifetime. The number of years the battery should last is noted for these devices.


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