What uHoo does

uHoo is a Singapore-headquartered indoor air quality monitoring company that designs and sells cloud-connected multi-sensor hardware devices paired with subscription software. It operates two product families: a consumer line built around the uHoo Caeli (9 sensors: CO2, PM2.5, VOCs, temperature, humidity, air pressure, NO2, CO, ozone) and the legacy uHoo Smart Air Monitor, and a commercial line, uHoo Aura, with 13+ sensors plus cellular/PoE connectivity and API integration into building management systems.

Its core differentiators are four proprietary health indices—Virus, Mold, Influenza, and Pollen—that fuse live sensor data with local environmental and epidemiological inputs to generate daily-updated risk scores, plus deep Matter-certified integration into Apple Home, Google Home, Amazon Alexa, Samsung SmartThings, and Home Assistant. On the B2B side, the platform supports WELL, LEED, RESET, FITWEL, Singapore Green Mark, GRESB, and MCERTS certification workflows, including the 'Works with WELL' trademark earned in 2025.

uHoo monetizes via tiered annual subscriptions bundled with hardware (Sense $199/yr, Guard $249/yr, Command $349/yr for home; quote-based pricing for Aura), additional-room device add-ons, and quote-based enterprise contracts. Go-to-market is hybrid: product-led growth and e-commerce for consumers, and consultative enterprise field sales for commercial real estate, hospitality, education, government, and (newly) transportation customers via a partnership with JR East Group. As of early 2026, the company reports 50,000+ users across 90+ countries and offices in Singapore, Hong Kong, Tokyo, and a US warehouse in Milford, OH.

Name

uHoo

Legal name

uHoo

Website

https://getuhoo.com

Company type

Private

Founded year

2014

Operating status

Operating

Headcount range

11–50 employees

Short description

uHoo designs and sells cloud-connected indoor air quality monitors (Caeli for homes, Aura for businesses) with proprietary health risk indices (Virus, Mold, Influenza, Pollen) and Matter-certified smart-home integration, monetized via tiered annual subscriptions across 90+ countries.

Ownership category

akta.pro rank

Product category

Indoor Air Quality Monitoring

NAICS

Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use (334512)

SIC

Auto Controls For Regulating Residential & Comml Environments (3822), Instruments For Meas & Testing Of Electricity & Elec Signals (3825)

akta.pro primary industry

Smart Air Quality Sensors, Purifiers & Humidifier/Dehumidifier Integration (HSAOANAH)

akta.pro secondary industries

Multi-Sensor Environmental Monitoring Hubs & Smart Home Integrations (HSAHAGAJ), Home Automation Hub/Platform Integration for Electrical & HVAC (e.g., HomeKit/Google/Alexa) (HSAOANAI)

Keywords

• Indoor air quality monitoring
• Air quality sensors
• Smart home air monitor
• Building health analytics
• Environmental monitoring devices

Headquarters

HQ city

Kowloon City

HQ country

Hong Kong SAR China

HQ region

Asia

Offices4 records

Markets served

GTM type

B2B and B2C

Offering type

Hardware or Manufacturing

Cost components

Technology or R&D, Supply Chain, Personnel, Marketing or Sales, Operations, Others

Revenue model

1. Home Subscription Plans (Sense, Guard, Command): Recurring annual subscription model for home air quality monitoring. Sense ($199/yr) provides 9-parameter monitoring with alerts. Guard ($249/yr) adds health indices (Mold, Virus, Influenza, Pollen). Command ($349/yr) adds smart home automation and integrations. All plans include one uHoo Caeli device. Additional rooms require additional devices and subscriptions at lower prices.
2. Business Air Quality Monitoring (Aura): B2B subscription model for commercial environments. uHoo Aura is priced via contact sales (quote-based). Includes multi-location dashboard management, API integrations, and certification support for WELL, LEED, RESET, and other building standards.
3. Hardware Device Sales: One-time hardware sales of uHoo Caeli ($299 standalone) and uHoo Smart Air Monitor ($199 standalone) for customers who want to purchase devices separately. These devices work with subscription plans for full functionality.
4. Additional Room Devices: Additional uHoo Caeli devices for multi-room coverage. Priced at $179 per device with discounted annual subscription add-ons ($69/room/yr for Sense, $49/room/yr for Guard, $39/room/yr for Command).

Pricing tiers

Go-to-market motion3 records

Distribution channels4 records

Marketing channels7 records

Core offering

uHoo manufactures and sells indoor air quality monitoring hardware devices (Caeli for homes, Smart Air Monitor legacy device, and Aura for commercial buildings) paired with annual software subscription plans (Sense, Guard, Command) that translate real-time sensor data into actionable health indices and smart home automations. The platform combines 9-13+ professional-grade sensors with proprietary Virus, Mold, Influenza, and Pollen risk indices, cloud dashboards, and integrations with Apple Home, Google Home, Alexa, SmartThings, Home Assistant, and commercial building management systems.

Product overview

uHoo offers a portfolio of indoor air quality monitoring solutions consisting of hardware devices (uHoo Caeli, Smart Air Monitor, and Aura) paired with software subscription tiers (Sense, Guard, Command). The consumer line centers on uHoo Caeli, a 9-sensor smart air monitor that works with three membership plans: Sense provides basic monitoring and alerts, Guard adds proprietary health indices (Mold, Virus, Influenza, Pollen) with room comparison, and Command enables smart home automation through Home Assistant, Apple Home, Google Home, Alexa, and SmartThings. The business solution features uHoo Aura, a commercial-grade 13+ sensor monitor with API integration for building management systems and support for LEED, WELL, RESET, and FITWEL certifications.

Differentiator

Problem solved

Functional benefit

Brands

• Caeli: Smart air monitor device for home use with 9 environmental sensors, Wi-Fi 6 connectivity, and real-time air quality monitoring
• Smart Air Monitor (SAM)
• Aura
• Sense
• Guard
• Command

Products and services

• uHoo Caeli Smart air monitor with 9 professional-grade sensors tracking CO2, PM2.5, VOCs, humidity, temperature, air pressure, NO2, CO, and ozone, with Wi-Fi 6 dual-band connectivity, active air-sampling fan, 128-bit AES encryption, and 10-second update frequency. Matter-certified and integrates natively with Apple Home, Google Home, Amazon Alexa, Samsung SmartThings, and Home Assistant. Sold bundled with Sense, Guard, or Command annual subscription plans or standalone at $299.
• uHoo Smart Air Monitor (SAM) Legacy home air quality monitor tracking 9 parameters (CO2, PM2.5, VOCs, temperature, humidity, and more) with Wi-Fi 4 connectivity, durable ABS body, local data storage during outages, and real-time alerts to the uHoo iOS and Android apps. Available as a $299 standalone device.
• uHoo Aura Commercial-grade air quality monitor for businesses with 13+ sensors including PM1, PM2.5, PM4, PM10, TVOC, CO, CO2, formaldehyde, and more. Supports cellular and Wi-Fi connectivity, Power over Ethernet, battery backup, wall/table/ceiling mounting, and an API for building management system integration. RESET Air Accredited Grade B, MCERTS, Works with WELL, REACH, and RoHS compliant. Sold via contact sales to commercial building operators, hotels, schools, and government entities.

Quantifiable outcome

• CO2 above 1,000 ppm can cut cognitive performance by nearly half (referenced in Command marketing)
• +3 more outcomes

Named customers7 records

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Integration7 records

AI capability4 records

Feature7 records

Partnerships

Nine partnerships are on record, tiered core.

• JR East GroupcoreStrategic or Co-development Partner · 9 February 2026uHoo partnered with JR East Group (East Japan Railway Company) on an indoor environment data project. This strategic partnership extends uHoo's reach into the transportation sector, where air quality monitoring can improve passenger and employee environments in stations and trains.
• Enterprise SingaporecoreGTM or Marketing Partner · 6 January 2026Enterprise Singapore supported uHoo's participation in CES 2026 under the Singapore Pavilion, organized by ASME. This partnership showcases Singapore-based innovation in air quality monitoring on a global stage and provides legitimacy for uHoo's international expansion efforts.
• Association of Small & Medium Enterprises (ASME)coreGTM or Marketing Partner · 6 January 2026ASME organized the Singapore Pavilion at CES 2026 where uHoo debuted alongside five other Singaporean brands including Emage Tomo, Ellocare, Blissfull Life, Actxa, and MetaOptics. ASME's organizing role positions uHoo as a leading Singapore tech brand in the wellness and home technology space.
• Matter (Connectivity Standard)coreTechnology or IntegrationuHoo Caeli is Matter-certified, enabling native interoperability with any Matter-compatible smart home hub or controller. This certification ensures broad compatibility with the growing Matter ecosystem without requiring proprietary bridges or custom integrations.
• Apple HomecoreTechnology or IntegrationuHoo Caeli integrates natively with Apple Home ecosystem, allowing iOS users to monitor air quality through the Apple Home app and create automations with other HomeKit devices. Full air-triggered automation available on Command subscription.
• Google HomecoreTechnology or IntegrationuHoo Caeli integrates with Google Home, enabling air quality monitoring through Google Home app and Google Assistant voice control. Supports automations with other Google Home-compatible devices on Command subscription.
• Amazon AlexacoreTechnology or IntegrationuHoo Caeli works with Amazon Alexa for voice-controlled air quality queries and smart home automations. Allows users to ask Alexa about air quality conditions and trigger routines based on readings.
• Samsung SmartThingscoreTechnology or IntegrationuHoo Caeli integrates with Samsung SmartThings platform, enabling air quality monitoring within the SmartThings ecosystem and creating automations with SmartThings-compatible devices based on air quality readings.
• Home AssistantcoreTechnology or IntegrationuHoo Caeli integrates with Home Assistant, the popular open-source home automation platform. This integration is exclusive to Command subscription and enables advanced custom automations for users who prefer local, privacy-focused home control.

Scale indicators5 records

Recent moves6 records

Expansion highlights7 records

Direct peers

• Foobot: Home and office indoor air quality monitor that tracks VOC, PM2.5, CO2, temperature, and humidity. Direct competitor to uHoo in consumer IAQ with similar subscription insights model.
• Awair: US-based smart air quality monitor company selling Element and Omni devices for home and office. Direct competitor to uHoo Caeli and Aura in multi-parameter indoor air monitoring with subscription-based insights.
• Airthings: Norway-based indoor air quality monitor maker offering consumer and B2B products (Wave Plus, Wave Mini, Corentium). Directly comparable to uHoo in target market (home and commercial IAQ), product category (multi-sensor monitors), and business model (hardware + subscription/insights).
• Kaiterra: Commercial-grade indoor air quality monitor maker (Laser Egg, Sensedge) focused on enterprise and building management use cases. Highly comparable to uHoo Aura in B2B IAQ with API integrations and green building certification support.

Emerging players

• AirGradient: Open-source indoor and outdoor air quality monitor maker (DIY kits and commercial units). Comparable product category but primarily targeting hobbyist/maker and education segments rather than enterprise certification use cases.
• Aranet: Wireless environmental monitoring solutions for indoor air quality, with multi-sensor devices for offices, schools, and industrial facilities. Comparable to uHoo Aura in commercial/enterprise IAQ with a stronger tilt toward industrial deployments.
• Netatmo: Smart home company (owned by Legrand) offering a Healthy Home Coach that monitors temperature, humidity, CO2, and noise. Comparable as a smart-home IAQ device, but narrower in sensors and bundled into a wider Legrand smart home portfolio.
• Eve Systems: Smart home sensor maker with Eve Room (temperature, humidity, VOC) and Eve Weather, focused on HomeKit/Matter ecosystems. Partial overlap with uHoo in home IAQ sensors and Matter integration strategy, but without the proprietary health indices.

Broad incumbents

• IQAir: Global air quality measurement and purification company with AirVisual monitors and HealthPro purifiers. Overlaps with uHoo in IAQ monitoring but is broader across air purification, public air quality data platforms, and consumer health products.
• Honeywell Building Technologies: Large incumbent in commercial building automation and IAQ (including the Honeywell IAQ sensor line and integration with BMS platforms like Niagara). Competes with uHoo Aura in enterprise deployments but does not specialize in the consumer/subscription tier.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/uhooair
• YouTubeyoutube.com/channel/UCE9v9dt2VohljHzaJN9mSwg
• Facebookfacebook.com/getuhoo
• LinkedInlinkedin.com/company/uhoo
• Instagraminstagram.com/getuhoo

Compliance19 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds7 records

Investors9 records

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about uHoo