Freeze Alarms Comparison Chart





Sensaphone 400

Winland EnviroAlert IP Monitoring Console EA800-ip

Temp Stick Wifi Temperature & Humidity Sensor
Online Temperature and Humidity Wireless Alert System
Internet Thermostats

Temperature Warning Light - Freeze Flash - (FZ-5)

The MarCELL Cellular Connected Monitoring System

The MarCELL Cellular Connected Monitoring System

PhoneOut Freeze Alarm

Model
Model
Communication Method

Phone - Based: Landline or Cellular*

(*using Optional Cellular Terminal)

Internet (wired)
Internet (WiFi)
Internet (wired gateway)
Internet
Local Alert Only

Cellular

Cellular

Phone - Based: Landline or Cellular*

(*using Optional Cellular Terminal)

 
Communication Method
Brand
Various Manufacturers
Brand
Monitors for...
Both Low and High Temp, plus Power Outages and more with optional sensors.

Dependent on sensors chosen.

Power, Temp, water, Motion, Window/Door, and more

Temperature and Humidity
Both Low and High Temp., Last seen (power or internet loss)
Both Low and High Temp, plus some models monitor more conditions with optional sensors.

Low Temp

Temp, Humidity, Power Outages
plus Flood*

(*Add Wireless water sensors)

Temp, Humidity, Power Outages
plus Flood*

(*Add Wireless water sensors)

Low Temp
Monitors for...
Alarm Condition Delay
Adjustable
Adjustable
No
No
See product info
No
Power-out only: 8 - 10 seconds
Power-out only: 8 - 10 seconds
No
Alarm Condition Delay
Temperature Setpoint
Adjustable
Adjustable
Adjustable
Adjustable
Adjustable
Adjustable
Adjustable
Adjustable
Fixed 42 F
Temperature Setpoint
Provides actual temp in phone call, email or SMS
Yes
Yes
Yes
Yes
Model Dependent
N/A
Yes
Yes
No
Provides actual temp in phone call, email or SMS
What you will hear when it calls you
Your own recorded voice label plus the current temperature, AC and battery status, status of optional added sensors, and microphone.
No voice (alerts sent via email/SMS.
No voice (alerts sent via SMS/email, customizeable
No voice. Email/SMS will contain temperature and/or alert condition
No voice. Email/SMS will contain temperature and/or alert condition.
N/A
"This is your (What you name it) Alarm calling. You have a [temperature, power, water, battery] emergency at your monitored location."
"This is your (What you name it) Alarm calling. You have a [temperature, power, water, battery] emergency at your monitored location."
An alarm tone.
What you will hear when it calls you
Calls how many phone numbers?
4
No voice
No voice, can alert up to ten contacts
No voice
No voice (unlimited email/SMS)
N/A
9
9
5
Calls how many phone numbers?
Number of call retries / text messages / emails
Select 1 thru 255
Select 1 - 999
NA
1
Most units 1
N/A
1
1
Select 1 thru 5
Number of call retries / text messages / emails
Intercall delay
Select 10 secs thru 60 mins
NA
NA
NA
See product info
N/A
N/A
N/A
None
Intercall delay
Stops calling if temp restores
No
Will send message once restored
NA
NA
See product info
N/A

Will call/text/ or email when condition restores

Will call/text/ or email when condition restores

No
Stops calling if temp restores
Alarm calls re-initiate after acknowledgement if condition still exists
No
Selectable alerts
No
NA
See product info
N/A
N/A
N/A
N/A (no acknowledgement feature)
Alarm calls re-initiate after acknowledgement if condition still exists
Call-in to hear exact temperature
Yes
No voice, but accessible via web/smartphone
No voice, but accessible via web/smartphone
No voice, but accessible via web/smartphone
No voice, but accessible via web/smartphone
N/A
Login via web, unit updates website 4 times per day with readings.
Login via web, unit updates website 4 times per day with readings. Service includes 20 Instant Updates allowing you to see realtime readings at the push of a button.
No
Call-in to hear exact temperature
Call-in to enable/disable monitoring
Yes
Login via web
Login via web
Login via web
Login via web
N/A
Login via web
Login via web
No
Call-in to enable/disable monitoring
Remote programming?
Yes: Enable/Disable, Change temp setpoints, Change phone numbers, Record voice msgs, Activate Output, Listen-in, Status Report
Yes, via web
Yes, via web
Yes, via web
Yes, via web
N/A
Yes, Via web
Yes, Via web
No
Remote programming?
Answering Machine Support
Yes
NA
NA
NA
N/A
N/A
N/A
N/A
N/A (no call-in capability)
Answering Machine Support
VOIP Compatible
Yes if VOIP system has own battery backup
NA
NA
NA
NA
N/A
N/A
N/A
Yes if VOIP system has own battery backup
VOIP Compatible
Power Outage Notification
Yes
Yes with additional sensor, UPS suggested
Yes (Last seen alert indicates internet connection loss generally caused by power loss)
Yes (Last seen alert indicates internet connection loss generally caused by power loss)
With optional sensor (some models)
N/A
Yes
Yes
No
Power Outage Notification
Power Out Reaction Time
Adjustable
Adjustable with sensor
N/A
About 15 min
See product info
N/A
8 - 10 Seconds
8 - 10 Seconds
N/A
Power Out Reaction Time
Additional conditions monitored
High sound level, power, plus many optional add-on sensors are available
add-on sensors for flood, humidity, and more
Humidity
Humidity, or water/flood with added TX70U-IT
HVAC usage, offline/device failure. Optional add-on sensors for wireless intrusion or wired flood, smoke, power, and more (some models)
N/A

Humidity, Flood, Power.

Logs historical readings every 60 minutes.

Humidity, Flood, Power.

Can monitor Fridge/Freezer from -20°F to 120°F with temperature probe.

Logs historical readings every 30 minutes.

None
Additional conditions monitored
Remote Control Thermostat Compatible
Yes, Toggle (setback)
No
No
No
Yes, Adjustable
N/A
No
No
No
Remote Control Thermostat Compatible
Battery Backup
Alkaline only
(6) C-Cells
Not included
No (suggested use of external UPS)

Powered strictly by battery (AA)

No (suggested use of external UPS)
No (suggested use of external UPS)
Alkaline only
(2) D
Not Included
Internal 3.7v 800,Ah Li-ion rechargeable (non-replaceable)
Internal 3.7v 800,Ah Li-ion rechargeable (non-replaceable)
Alkaline only
(1) 9VDC
Not included
Battery Backup
How to acknowledge
Enter 555 or call unit back
NA
NA
NA
N/A
N/A
N/A
N/A
Cannot acknowledge
How to acknowledge


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