Heiman HM-723ES Series Carbon Monoxide Alarm (Battery Powered)
|
Model |
HM-723ESY |
HM-723ES |
|
Power Supply |
DC 2 × 1.5V Alkaline AA LR6 Batteries (PAIRDEER) |
DC 2 × 1.5V Alkaline AA LR6 Batteries (PAIRDEER) |
|
Battery Life |
5 years |
5 years |
|
Sensor Lifespan |
Max. 10 years |
Max. 10 years |
|
Operating Temperature |
-10 °C ~ +40 °C |
-10 °C ~ +40 °C |
|
Operating Humidity |
0–95% RH (Non-condensing) |
0–95% RH (Non-condensing) |
|
Sound Level |
≥85 dB (at 3 m) |
≥85 dB (at 3 m) |
|
Alarm Output |
Visual and Audible Indication |
Sound and flash alarm |
|
Warm-up Period |
Approx. 100 seconds |
Approx. 100 seconds |
|
Mounting Method |
Wall Mounting / Ceiling Mounting |
Wall Mounting / Ceiling Mounting |
|
Dimensions |
Φ122*38.8mm |
Φ122*38.8mm |
|
Certification |
CE |
CE |
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Electrochemical Sensor
Electrochemical sensor with up to 10-year lifespan.Highly accurate CO detection technology.Stable long-term performance and reliability.Professional-grade sensing for home protection.Dependable accuracy for maximum safety. -

Manual Test
Single button for quick manual testing.Verify alarm function and sensor status.Simple operation for routine self-checks.Ensure device readiness with one press.User-friendly design for regular verification. -

Low Power Consumption
Energy-efficient design extends battery life.Reduced power usage for 5-year operation.Minimize battery replacement frequency.Sustainable performance with reliable monitoring.Eco-friendly operation for lasting protection. -

Wall or Ceiling Mounting
Flexible wall or ceiling installation options.Choose optimal position for CO detection.Mounting hardware included for quick setup.No professional tools required.Compact design fits various room layouts.Secure placement for long-term use.
Who is this product for?
The Heiman HM-723ES Series Carbon Monoxide Alarm is suitable for a wide range of customers looking for reliable home security and indoor safety equipment:
- Families with young children: Parents who want to protect their families from carbon monoxide poisoning with a reliable CO detector as part of their home security system.
- Homeowners and apartment residents: People looking for an easy-to-install, battery-operated alarm system to improve household safety without complicated wiring.
- Elderly people and individuals living alone: Residents who need simple security equipment with clear audible and visual alerts and easy manual testing.
- Landlords and property managers: Professionals responsible for safety in rental apartments, residential buildings, and property management projects.
- Small office and shop owners: Businesses seeking cost-effective carbon monoxide detection without additional wiring or a professional monitoring service.
- DIY home security enthusiasts: Customers who prefer independent alarm devices that are easy to install, test, and maintain, and can complement existing alarm security systems.
With its electrochemical sensor, long-lasting battery performance, and user-friendly design, the HM-723ES is an ideal choice for customers comparing alarm types, brands, prices, and installation costs. It offers practical CO protection for those who value quality, reliability, and an affordable purchase.
Why Is a Carbon Monoxide Alarm Important for Home Security?
A carbon monoxide alarm is essential security equipment for every home for several reasons:
Detects Invisible Dangers: Carbon monoxide is a colorless and odorless gas. A reliable CO alarm helps detect dangerous gas levels before they become life-threatening.
Protects Your Family: Carbon monoxide detectors provide an extra layer of home security, especially for families with children and elderly residents.
Provides Early Alerts: The Heiman HM-723ES uses an electrochemical sensor to detect CO and delivers audible and visual alarms for a fast response.
Improves Home Safety: Installing a CO alarm near sleeping areas helps alert residents to potential danger while they sleep.
Offers Independent Protection: The battery-operated HM-723ES works independently without requiring a single app, professional monitoring service, or long-term contracts. Its easy installation and simple manual testing make everyday protection more convenient.
Adding a carbon monoxide detector to your home security setup is a simple and cost-effective way to improve everyday safety.
FAQ
Q: What is the Heiman HM-723ES Series Carbon Monoxide Alarm used for?
A: The Heiman HM-723ES Series is designed to detect dangerous carbon monoxide (CO) concentrations in indoor environments. As essential home security equipment, it provides audible and visual alerts to help protect families from CO poisoning. Its reliable performance gives customers peace of mind and a better home safety experience.
Q: Can the HM-723ES Carbon Monoxide Alarm work with an existing alarm security system?
A: The HM-723ES is a standalone, battery-operated CO alarm. It operates independently without requiring a keypad, security control panel, or connection to an existing alarm system. Its compact package makes installation convenient. Please consult Heiman about compatible smart alarm products before making a purchase.
Q: Does the HM-723ES require a professional monitoring service?
A: No. The HM-723ES operates independently without requiring a subscription or professional monitoring service. When dangerous CO levels are detected, it provides an immediate local audible and visual alarm, helping occupants respond promptly. It does not automatically contact the police or provide emergency dispatch services.
Q: How long does the battery last on the HM-723ES?
A: The HM-723ES uses two 1.5V AA alkaline batteries and offers up to 5 years of battery life under specified operating conditions. Its low-power design reduces the frequency of battery replacement and helps save time and money. The batteries do not need to be charged, making maintenance simple and convenient. Unlike security systems that require users to arm or disarm devices, the HM-723ES operates independently. Users should check the battery status regularly and replace the batteries when necessary.
Q: Are wireless security systems easier to install than wired alarm systems?
A: Yes. Wireless security systems are generally easier to install than wired systems because they require less wiring and fewer installation steps. The Heiman HM-723ES Carbon Monoxide Alarm can complement an existing alarm system or alarm security system to improve indoor safety. Its simple installation process helps reduce installation cost.
Q: Do smoke alarms use electrochemical sensors to detect smoke, and can the HM-723ES work with Ring Alarm?
A: Not all smoke alarms use electrochemical sensors. Electrochemical sensors are primarily used in carbon monoxide alarms, such as the Heiman HM-723ES, to detect CO gas. Smoke alarms typically use photoelectric or ionization technology. The HM-723ES is an independent CO detector and is not specified as compatible with Ring Alarm. Please check compatibility before purchase. Its alarm type and sensor data can be found in the product specifications.
Q: How can I test the HM-723ES Carbon Monoxide Alarm?
A: The HM-723ES features a single-button manual test for quick and easy verification. Simply press the button to check the alarm function and sensor status. Testing takes only a few seconds and should be performed regularly, preferably once a month. If the alarm does not respond as expected, check the battery and follow the user manual to identify possible issues. Regular testing helps ensure the device is ready for use.
Q: How does the HM-723ES compare with other alarm brands and prices?
A: The HM-723ES combines reliable CO detection, up to 5 years of battery life, and a sensor lifespan of up to 10 years. It offers a practical home safety solution with a focus on quality and value. Customers can contact Heiman for current prices, product details, purchasing options, and the latest product release date.
Q: Does the HM-723ES provide voice alerts?
A: The HM-723ES provides audible and visual alarms to deliver a fast response to dangerous CO levels. Its alarm sound and indicator color help users recognize warning signals. The device is designed to alert occupants in the immediate area rather than speak voice messages. Keep the alarm unobstructed and avoid placing objects that cover its sound openings.
Q: What should I do if the HM-723ES alarm stops working or has other issues?
A: First, check whether the batteries are correctly installed and have sufficient power. If the alarm has started showing issues or appears to break down, refer to the user manual for troubleshooting and sensor replacement instructions. Do not leave a suspected faulty CO alarm in service. If you still have a lot of questions or cannot resolve the problem, contact Heiman support for assistance and follow the recommended replacement procedure.
Q: Does the HM-723ES come equipped with a security camera?
A:No. The HM-723ES is a standalone carbon monoxide alarm, not a security camera. It uses an electrochemical sensor to detect CO and provides audible and visual alerts. It can complement your home security system but does not support video recording or surveillance.
Q: Do most security systems include carbon monoxide detection?
A: Not all security systems include carbon monoxide detection. Most systems require a separate CO detector or compatible sensor. The Heiman HM-723ES provides independent carbon monoxide protection with audible and visual alerts.
Q: Do most security systems have battery and cellular backup during power outages?
A: Many modern security systems offer battery and cellular backup to maintain communication and monitoring during power or internet outages. The Heiman HM-723ES is a standalone, battery-operated carbon monoxide alarm that continues to provide local audible and visual alerts without relying on a power connection or cellular network.
Q: Does the HM-723ES need a control panel to communicate with a home security system?
A: No. Unlike most systems where control panels manage communication between sensors and monitoring services, the HM-723ES is a standalone carbon monoxide alarm. It detects CO independently and provides local audible and visual alerts without requiring a control panel or monitoring service.
Q: Can the HM-723ES monitor humidity and temperature like environmental sensors?
A: The HM-723ES is specifically designed to detect carbon monoxide using an electrochemical sensor. Although it operates within specified temperature and humidity conditions, it does not measure or report humidity and temperature like dedicated environmental sensors.
Q: Can I connect the HM-723ES to the ADT+ app?
A: The HM-723ES is a standalone battery-operated CO alarm, and ADT+ app integration is not specified for this model. ADT’s response times were among the fastest during testing, highlighting the importance of fast security responses. However, the HM-723ES provides independent local audible and visual alerts without requiring a professional monitoring service.
Q: Is the HM-723ES compatible with Frontpoint and Z-Wave devices?
A: The HM-723ES does not specify Z-Wave connectivity or Frontpoint compatibility. It works independently with an electrochemical sensor and does not require a smart home hub. Customers looking for Z-Wave integration should consider a compatible smart CO detector.
Q: Can the HM-723ES integrate with Ring Alarm, EcoLink, GE, or Kidde products?
A: The HM-723ES is an independent carbon monoxide alarm, and compatibility with Ring Alarm, EcoLink, GE, or Kidde products is not specified. Unlike smart security devices designed for system integration, the HM-723ES provides direct local CO alerts through its built-in audible and visual alarm.
Q: Can the HM-723ES detect water leaks or freezing conditions?
A: No. The HM-723ES is designed specifically to detect carbon monoxide (CO). Environmental sensors detect water leaks and freeze conditions, while the HM-723ES provides protection against dangerous CO levels through its electrochemical sensor. In case of water leaks or freezing conditions, consider using separate environmental sensors to protect your home 24 hours a day.
Q: Can the HM-723ES integrate with Vivint smart home products?
A: The HM-723ES is a standalone carbon monoxide alarm. Although Vivint allows integration of third-party smart home products, compatibility with the HM-723ES is not specified. Please check device compatibility before purchasing if smart home integration is required.
Q: Does the HM-723ES support Z-Wave devices like Frontpoint?
A: Frontpoint is compatible with hundreds of Z-Wave devices, offering flexible smart home integration. The HM-723ES, however, operates independently and does not specify Z-Wave connectivity. It provides local audible and visual CO alerts without requiring a smart home hub.
Q: Does the HM-723ES comply with UL 2034 gas alarm standards?
A: UL 2034 is a standard for single- and multiple-station carbon monoxide alarms, rather than general gas leak detection systems. The HM-723ES is a CO alarm, and its specific certification and compliance information should be confirmed through Heiman’s official product documentation.
Q: Can the HM-723ES detect methane and propane leaks?
A: No. The HM-723ES uses an electrochemical sensor to detect carbon monoxide, not combustible gases such as methane or propane. Dedicated gas detectors are designed to detect these fuel gas leaks. For complete home safety, consider using separate CO and combustible gas detectors.
Q: Is the HM-723ES certified under UL 217 smoke alarm standards?
A: UL 217 is the standard for smoke alarm performance, while the HM-723ES is designed to detect carbon monoxide rather than smoke. It uses an electrochemical sensor to identify dangerous CO levels. For its specific certification information, please refer to Heiman’s product documentation.
Q: Can the HM-723ES reduce false alarms from cooking like photoelectric smoke alarms?
A: Photoelectric smoke alarms reduce false alarms from cooking by using optical sensing technology. The HM-723ES uses an electrochemical sensor specifically for carbon monoxide detection. It is designed to detect CO rather than cooking smoke, helping distinguish between different household safety hazards.
Q: How does the HM-723ES respond to dangerous conditions compared with ADT security systems?
A: ADT’s response times were among the fastest during testing, demonstrating the value of timely security responses. The HM-723ES provides local audible and visual alerts when dangerous CO levels are detected, helping occupants respond to potential carbon monoxide hazards without relying on a professional monitoring service.
Q: Does the HM-723ES offer 180 days of video event history like Ring?
A: No. Ring offers 180 days of video event history with its plans, while the HM-723ES is a standalone carbon monoxide alarm without video recording or event history features. It focuses on reliable CO detection and immediate local alerts rather than video surveillance.
Q: Can the HM-723ES connect to the ADT+ app for smart home control?
A: The ADT+ app integrates third-party smart home devices, allowing users to manage compatible products through one platform. However, ADT+ app compatibility is not specified for the Heiman HM-723ES. This standalone, battery-operated carbon monoxide alarm works independently, providing local audible and visual alerts without requiring an app or smart home hub.
Q: Does the HM-723ES connect to professional monitoring centers like ADT?
A: ADT has six monitoring centers across North America to support its professional security monitoring services. In contrast, the Heiman HM-723ES is a standalone carbon monoxide alarm that does not connect to a monitoring center. It detects dangerous CO levels and provides local audible and visual alerts without monthly monitoring fees.
Q: Can the HM-723ES contact a monitoring center like SimpliSafe during an emergency?
A: SimpliSafe’s monitoring center can intervene during intruder detection through its professional monitoring service. The HM-723ES works differently: it detects carbon monoxide rather than intruders and alerts people nearby through built-in audible and visual alarms. It does not provide remote intervention or emergency dispatch services.
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