Sensaphone
Sensaphone is a family-owned U.S. manufacturer of remote environmental monitoring systems (cellular, cloud, wireless, and phone-line) that track temperature, humidity, power, and water conditions for data centers, water utilities, cold storage, agriculture, HVAC, and oil and gas operators.
- Company typePrivate
- Founded1985
- HeadquartersAston, United States
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
What Sensaphone does
Sensaphone is a privately held, family-owned manufacturer of remote environmental monitoring systems headquartered at 901 Tryens Road in Aston, Pennsylvania. Founded in 1985, the company designs and produces cellular, cloud-based, wireless, and phone-line monitoring devices that track critical conditions including temperature, humidity, power failure, water leaks, and equipment status for unattended or remote facilities. Its products serve industrial, agricultural, healthcare, municipal, and commercial customers across eleven named vertical segments: data centers, water and wastewater treatment, oil and natural gas, medical cold storage, greenhouses, livestock, food and beverage cold storage, HVAC, environmental remediation, cannabis cultivation, and residential properties. The company claims nearly 500,000 systems deployed globally and manufactures 100% of its products in the United States.
The product portfolio spans a range from low-channel auto-dialers to enterprise-grade monitoring hosts. Core systems include the Sentry (LTE-M cellular, five inputs), Sentinel and Sentinel Pro (cloud-based, 12 external sensor inputs plus Modbus polling of up to 64 registers), Stratus EMS (rack-mounted, 76 inputs targeting data centers), WSG30 (wireless gateway supporting up to 30 sensors), the legacy 400/800/1400/1800 phone-line auto-dialers, and the IMS-4000E enterprise host expandable to 256 inputs across 31 nodes. Devices accept analog, digital, 4-20mA, dry contact, and thermistor signals from third-party sensors, and integrate with Modbus RTU/TCP, SNMP-MIB, PLCs, and Building Automation Systems. API-level data interchange is available via JSON, HTTPS, REST, and cURL, and cloud-supervised monitoring verifies constant device connectivity with alerts delivered by phone, text, and email through iOS and Android apps.
Sensaphone sells primarily direct-to-consumer through its Shopify-powered e-commerce storefront at sensaphone.com, supplemented by a U.S. field sales team reachable at 877.373.2700 for enterprise accounts and lead generation at the AHR Expo and WEFTEC trade shows. Revenue is generated through two streams: one-time hardware sales across the device family plus a catalog of more than 76 sensors and accessories, and recurring subscription services for cloud hosting and cellular connectivity on Sentry, Sentinel, and Stratus systems. Subscription plans start at $6.95 per month and bundle hosting, cellular fees, and unlimited notifications, while several legacy product lines are sold without any monthly fee. Cellular coverage spans AT&T, Verizon, and multiple Canadian carriers, and the company distributes globally through its website, supporting claims of an international installed base.
Sensaphone firmographics
Firmographics- Name
- Sensaphone
- Legal name
- Sensaphone
- Website
- https://sensaphone.com
- Company type
- Private
- Founded year
- 1985
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Sensaphone is a family-owned U.S. manufacturer of remote environmental monitoring systems (cellular, cloud, wireless, and phone-line) that track temperature, humidity, power, and water conditions for data centers, water utilities, cold storage, agriculture, HVAC, and oil and gas operators.
- Ownership category
- akta.pro rank
Sensaphone industry classification
Industry- Product category
- Industrial Environmental Monitoring Systems
- NAICS
- Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use (334512), Telephone Apparatus Manufacturing (33421)
- SIC
- Industrial Instruments For Measurement, Display, And Control (3823), Auto Controls For Regulating Residential & Comml Environments (3822)
- akta.pro primary industry
- Continuous/Remote Monitoring Systems (IoT Sensors, Telemetry, Networks) (EUAHACAL)
- akta.pro secondary industries
- Condition Monitoring Sensors & IoT (online/offline monitoring, edge devices) (EUADAJAD), Asset Tracking, RTLS & Equipment Monitoring (Facilities) (HSAPAPAJ)
Keywords
Where Sensaphone is headquartered
LocationHeadquarters
- HQ city
- Aston
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Sensaphone business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Personnel, Technology or R&D, Marketing or Sales, Operations
Revenue model
- Hardware Product Sales: Sensaphone generates revenue from selling physical monitoring devices and systems. Products include the Sentry (cellular), Sentinel (cloud-based), Stratus EMS (enterprise), WSG30 (wireless), and legacy phone-line systems (400/800/1400/1800). Products range from basic auto-dialers to enterprise-level monitoring hosts.
- Subscription Services: Cloud-based systems like Sentry and Sentinel require low-cost subscriptions that include online hosting, cellular connection fees, and unlimited text, phone and email alerts. Monthly plans start as low as $6.95 for certain applications.
- Sensor and Accessory Sales: Sensaphone sells a wide range of sensors and accessories including temperature sensors (2.8K, 10K types), humidity sensors, water detection, air quality sensors, power sensors, wireless sensors, and security sensors. Over 76 products in the sensors & accessories collection.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Monthly | Sentry Cellular Monitoring System with subscription |
| Subscription | Monthly | Oil & Gas Monitoring Plans |
| One time/ perpetual license | Multi-year contract | 400 & 800 Monitoring Systems |
| One time/ perpetual license | Multi-year contract | 1400 & 1800 Monitoring Systems |
| One time/ perpetual license | Multi-year contract | IMS-4000E Enterprise Monitoring Host |
| One time/ perpetual license | Multi-year contract | WSG30 Wireless Monitoring System |
Go-to-market motion1 record
Distribution channels3 records
Marketing channels10 records
Sensaphone product offering
Product offeringCore offering
Sensaphone designs, manufactures, and sells remote environmental monitoring systems that track temperature, humidity, power failure, water detection, and equipment status, transmitting data via cellular (LTE-M), Ethernet, phone line, or wireless sensors to cloud or local servers for real-time alerting via phone, text, and email. The company offers a portfolio spanning compact cellular units, cloud-based rack-mounted enterprise monitors, wireless gateways, and traditional auto-dialer systems, sold as hardware with optional subscription plans for cloud hosting and cellular connectivity.
Product overview
Sensaphone offers a comprehensive line of remote monitoring products that safeguard valuable assets by tracking critical equipment and environmental data. The product portfolio consists of multiple monitoring system lines: the Sentry (cellular, 5 inputs) for compact applications; the Sentinel/Sentinel Pro (cloud-based, 12 inputs + Modbus) for flexible monitoring; the Stratus EMS (cloud-based, rack-mounted, 76 inputs) for data centers; the WSG30 (wireless, 30 sensors) for hard-to-wire locations; the 400/800 and 1400/1800 (phone-line auto dialers) for basic monitoring; and the IMS-4000E (enterprise, expandable to 256 inputs) for large-scale infrastructure. All systems integrate with third-party sensors and support alerts via phone, text, or email. Nearly 500,000 Sensaphone systems are in use worldwide, manufactured in the USA since 1985.
Differentiator
Problem solved
Functional benefit
Products and services
- Sensaphone Sentry Monitoring System Cellular-based remote monitoring system that tracks up to five environmental conditions including temperature, humidity, power failure, and water detection. Uses LTE-M cellular technology via AT&T, Verizon, and Canadian carriers. Sends instant alerts via phone, text, or email and requires a low-cost subscription. Suitable for HVACR applications and small-to-medium commercial deployments.
- Sensaphone Stratus EMS Monitoring System
Quantifiable outcome
- Nearly 500,000 systems in use worldwide
- +1 more outcomes
Companies that use Sensaphone
Customer profileNamed customers8 records
Segments11 records
Ideal customer profiles5 records
Sensaphone technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration5 records
AI capability4 records
Feature5 records
Sensaphone partnerships and signals
Strategic signalScale indicators4 records
Recent moves4 records
Expansion highlights5 records
Sensaphone competitors and assessment
Company assessmentDirect peers
- Monnit: Monnit offers wireless and Ethernet remote monitoring sensors for temperature, humidity, water, and equipment status with cloud-based ALTA platform. It is one of the closest direct competitors to Sensaphone, targeting overlapping SMB and mid-market customers across similar verticals.
- AKCP: AKCP specializes in environmental and infrastructure monitoring for data centers, server rooms, and remote sites, with temperature, humidity, water leak, and power sensors. It is a direct competitor in the data center and facility monitoring segments where Sensaphone's Stratus EMS competes.
- RLE Technologies: RLE Technologies provides leak detection, environmental, and power monitoring solutions for data centers, facilities, and critical infrastructure. It competes directly with Sensaphone's facility and data center monitoring product lines including Stratus EMS.
Broad incumbents
- Vertiv: Vertiv is a major data center infrastructure provider offering environmental monitoring as part of its broader power, cooling, and IT management portfolio. It competes with Sensaphone Stratus EMS in data centers but at much larger scale and with bundled offerings.
- Honeywell: Honeywell's Building Technologies division offers building automation systems that include environmental monitoring, HVAC controls, and alarm management. It is a broad incumbent whose Niagara/Enterprise Buildings Integrator platforms can absorb Sensaphone's use cases for large commercial customers.
- Schneider Electric: Schneider Electric provides EcoStruxure, an IoT-enabled architecture including building management, power monitoring, and environmental sensing. It overlaps with Sensaphone across data centers, water/wastewater, and HVAC segments at enterprise scale.
Emerging players
- Digi International: Digi International provides cellular IoT gateways, routers, and remote monitoring solutions for industrial and infrastructure applications. Its cellular gateways and device cloud platform overlap with Sensaphone's Sentry cellular monitoring approach and broader M2M connectivity stack.
- Synaccess Networks: Synaccess Networks builds smart PDU and remote power monitoring/control products for data centers and IT rooms. It is an emerging player in adjacent remote infrastructure monitoring, overlapping with Sensaphone's data center and power monitoring use cases.
- ControlByNet: ControlByNet offers web-based facility monitoring including temperature, humidity, water, and intrusion detection with cloud alerts. It competes in the same SMB and mid-market facility monitoring niche as Sensaphone's WSG30 and Sentinel lines.
Regional players
- HW Group: HW Group is a European manufacturer of remote environmental monitoring (temperature, humidity, sensors) with the SensDesk portal and Poseidon product lines. It serves overlapping use cases to Sensaphone but is primarily deployed across EMEA rather than North America.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights7 records
Customer concentration
Sensaphone social profiles
Digital presenceSensaphone compliance and trust
Trust signalCompliance5 records
Sensaphone financial estimates
Financial estimateRevenue estimate
Valuation estimate
Sensaphone leadership team
Management profileNumber of profiles
Profiles1 record
Sensaphone funding detail
Funding detailFunding overview
Funding rounds3 records
Investors2 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Sensaphone M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Sensaphone
What does Sensaphone do?
Sensaphone designs, manufactures, and sells remote environmental monitoring systems that track temperature, humidity, power failure, water detection, and equipment status, transmitting data via cellular (LTE-M), Ethernet, phone line, or wireless sensors to cloud or local servers for real-time alerting via phone, text, and email. The company offers a portfolio spanning compact cellular units, cloud-based rack-mounted enterprise monitors, wireless gateways, and traditional auto-dialer systems, sold as hardware with optional subscription plans for cloud hosting and cellular connectivity.
Is Sensaphone a public or private company?
Sensaphone is a private company. It is classified as family owned and is currently operating.
When was Sensaphone founded?
Sensaphone was founded in 1985. It employs 11 to 50 people.
Where is Sensaphone based?
Sensaphone is headquartered in Aston, United States, in the North America region.
How does Sensaphone make money?
Three revenue lines are on record. Hardware Product Sales are the primary driver. The others are subscription Services and sensor and Accessory Sales.
Who are Sensaphone's main competitors?
Direct peers on record are Monnit, AKCP and RLE Technologies. Broad incumbents are Vertiv, Honeywell and Schneider Electric. Emerging players are Digi International, Synaccess Networks and ControlByNet. HW Group is listed as a regional player.
Does Sensaphone have an API?
Yes. The Stratus EMS system offers API data interchange capabilities supporting JSON, HTTPS, POST, REST web services, and cURL formats. This enables integration with third-party systems and data automation workflows.
What industry is Sensaphone in?
Sensaphone's product category is Industrial Environmental Monitoring Systems. Its primary akta.pro industry code is EUAHACAL, Continuous/Remote Monitoring Systems (IoT Sensors, Telemetry, Networks), with a secondary code of EUADAJAD, Condition Monitoring Sensors & IoT (online/offline monitoring, edge devices). Its NAICS code is 334512 and its SIC code is 3823.