uHoo Caeli

Improve your air quality at home

$399.00

Breathe easier with real-time insights into your home’s air.

uHoo Caeli tracks nine key air quality indicators with professional-grade accuracy to help you create a cleaner, safer space for your family.

It connects to both 2.4GHz and 5GHz Wi-Fi, stores data even when offline, and integrates seamlessly with Matter, Apple Home, Google Home, Alexa, and SmartThings.

Add to cart

Exclusive early-bird offers

Claim the Future of Clean Air

Be among the first to experience uHoo Caeli, the most advanced smart air monitor yet. Save big while breathing better.

Early Bird

1 UNIT BUNDLE

Estimated Delivery Date February 2026

Take the first step toward cleaner, healthier air. Perfect for individuals who want to own their air and start their journey to better indoor wellness.

$159
$169

WHAT YOU’LL GET

uHoo Caeli Device

Quantity: 1

Priority Shipping

Before public release

0 / 100 SOLD

100 units until next price jump

This will retail for $399. Save $240!

Double Air

2 UNIT BUNDLE

Estimated Delivery Date February 2026

Designed for couples, roommates, or small offices who want to breathe easy together and keep every corner of their space fresh, healthy, and safe.

$310
$330

WHAT YOU’LL GET

uHoo Caeli Device

Quantity: 2

Priority Shipping

Before public release

0 / 100 SOLD

100 units until next price jump

This will retail for $798. Save $488!

Family Air Pack

3 UNIT BUNDLE

Estimated Delivery Date February 2026

The ultimate air wellness bundle. Ideal for families, health enthusiasts, or anyone who wants complete, real-time air quality coverage at home, at work, and everywhere in between.

$450
$480

WHAT YOU’LL GET

uHoo Caeli Device

Quantity: 3

Priority Shipping

Before public release

0 / 100 SOLD

100 units until next price jump

This will retail for $1,197. Save $747!

Protect your family’s health

Caeli is your ultimate smart
air monitor

Stop and smell the roses

With all the information at your fingertips, you can optimize air quality and avoid allergies for a more productive and pleasant time with the family.

Sleep tight every night

Get comfy under the sheets and let uHoo optimize temperature, humidity, and fresh air so you can wake up rested and energized.

No chronic aches and pains

Several factors in your air can cause headaches and soreness. By simply monitoring and optimizing it, you can avoid pains and feel better.

Stay sharp and focused

Monitor CO₂ and keep it at a safe minimum so you can maximize focus and productivity levels and stay on top of your game, every single day.

Breathe in & breathe easy

Enjoy the peace of mind that comes with knowing your indoor air quality is optimized for the health, safety, and well-being of your household.

uHoo Smart Air Monitor improve overall
health and well-being

Stop and smell the roses

With all the information at your fingertips, you can optimize air quality and avoid allergies for a more productive and pleasant time with the family.

Sleep tight every night

Get comfy under the sheets and let uHoo optimize temperature, humidity, and fresh air so you can wake up rested and energized.

No chronic aches and pains

Several factors in your air can cause headaches and soreness. By simply monitoring and optimizing it, you can avoid pains and feel better.

Stay sharp and focused

Monitor CO₂ and keep it at a safe minimum so you can maximize focus and productivity levels and stay on top of your game, every single day.

Breathe in & breathe easy

Enjoy the peace of mind that comes with knowing your indoor air quality is optimized for the health, safety, and well-being of your household.

See what you breathe with
uHoo Caeli

Sleep Better

TEMPERATURE

Avoid Allergies

DUST PM 2.5

Block Fumes

NITROGEN
DIOXIDE

Lessen Fatigue

CARBON
MONOXIDE

Minimize

Headaches

AIR PRESSURE

Prevent Molds

RELATIVE
HUMIDITY

Sharper Focus

CARBON DIOXIDE

Limit Chemicals

VOCS

Alleviate

Irritations

OZONE

Preempt

Mold Growth

MOLD INDEX

Deactivate

Viruses

VIRUS INDEX

The smart way to
orchestrate your air

The new uHoo Caeli works with Matter, Google Home, Samsung SmartThings, Alexa, Home Assistant, and Apple Home to create a seamless, intelligent ecosystem that keeps your air at its best.

It connects, automates, and adjusts effortlessly so you can enjoy cleaner, healthier air without lifting a finger.

Technical Specifications

SECURITY

128-bit AES end-to-end encryption

PROCESSOR

Dual-core Arm Cortex-M33

USER INTERFACES

Native iOS and Android apps

CERTIFICATIONS

FCC, CE, PSE, TELEC, NTC, KC, REACH, RoHS

POWER CONSUMPTION

750mW (normal operation) and 1.2W (data transmission)

STATUS INDICATOR

RGB LED

BODY MATERIAL

ABS thermoplastic polymer

BASE MATERIAL

Silicone rubber

OPERATING TEMPERATURE

-10 °C to 60 °C (14°F to 140°F)

OPERATING HUMIDITY

5% to 95%, non-condensing

MINI FAN

Yes

RESET BUTTON

Physical Button

DIMENSIONS

88mm (W) x 75mm (L) x 174mm (H)

WEIGHT

335g or 0.74lbs

SHIPPING SIZE

50x50x28cm/20x20x11in

SHIPPING WEIGHT

0.89 kg or 1.96 lbs

WI-FI STANDARD

Wi-Fi 6 802.11ax

WI-FI FREQUENCY

Dual-band 2.4 GHz and 5 GHz

NETWORK SECURITY

WPA3-Personal (WPA/WPA2 backward-compatible)

POWER SUPPLY

5V/2A USB cable (Type C ) and adapter

SOFTWARE

uHoo mobile app on iOS or Android

INTERFACE

iOS 11 (64-bit devices) or above, or Android 4.2 or above

DEVICE SETUP

Scan QR code and configure Wi-Fi via BLE

LOCAL STORAGE DUE TO NETWORK OUTAGE

24 hours

Each box comes neatly packed with the following items:

  • uHoo unit
  • Type C USB cable
  • Country specific power adapter
  • Shipment to Australia and New Zealand will receive UK adapters 
 
Unit
Range
Resolution
Accuracy
Temperature
°C
-40 to 85 °C
0.1 °C
±0.5 °C
Relative Humidity
%
0 to 100%
0.1%
±3%
Dust (PM2.5)
µg/m3
1 to 1,000 µg/m3
1 µg/m3
±10 µg/m3 (0 to 100 µg/m3)
±10% (> 100 µg/m3)
TVOCs
ppb
0 to 60,000 ppb
1 ppb
±10 ppb or
±5% of reading * 2
Carbon Dioxide (CO₂)
ppm
400 to 10,000 ppm
1 ppm
±40 ppm plus 4% of actual value
Carbon Monoxide (CO)
ppm
0 to 1,000 ppm
0.1 ppm
±1 ppm or ±5% of reading
Choose higher of the two
Air Pressure
mBar
300 to 1,100 mBar
0.1 mBar
±1 mBar
Nitrogen Dioxide (NO₂)
ppb
0 to 1,000 ppb
1 ppb
±20 ppb (0 to 100ppb)
±20% (100 to 1,000 ppb)
Ozone (O₃)
ppb
1 to 1,000 ppb
1 ppb
±20 ppb (0 to 100ppb)
±20% (100 to 1,000 ppb)

uHoo Caeli User Manual

  • Product Description
  • Product Specifications
  • What’s in the Box
  • What You’ll Need
  • Setting up your uHoo Account
  • Setting up your uHoo Caeli
  • Important Notes
  • Sensor Warm-up & Calibration
  • Performance of uHoo Sensors
  • Troubleshooting
  • Get Support

SECURITY

128-bit AES end-to-end encryption

PROCESSOR

Dual-core Arm Cortex-M33

USER INTERFACES

Native iOS and Android apps

CERTIFICATIONS

FCC, CE, PSE, TELEC, NTC, KC, REACH, RoHS

POWER CONSUMPTION

750mW (normal operation) and 1.2W (data transmission)

STATUS INDICATOR

RGB LED

BODY MATERIAL

ABS thermoplastic polymer

BASE MATERIAL

Silicone rubber

OPERATING TEMPERATURE

-10 °C to 60 °C (14°F to 140°F)

OPERATING HUMIDITY

5% to 95%, non-condensing

MINI FAN

Yes

RESET BUTTON

Physical Button

DIMENSIONS

88mm (W) x 75mm (L) x 174mm (H)

WEIGHT

335g or 0.74lbs

SHIPPING SIZE

50x50x28cm/20x20x11in

SHIPPING WEIGHT

0.89 kg or 1.96 lbs

WI-FI STANDARD

Wi-Fi 6 802.11ax

WI-FI FREQUENCY

Dual-band 2.4 GHz and 5 GHz

NETWORK SECURITY

WPA3-Personal (WPA/WPA2 backward-compatible)

POWER SUPPLY

5V/2A USB cable (Type C ) and adapter

SOFTWARE

uHoo mobile app on iOS or Android

INTERFACE

iOS 11 (64-bit devices) or above, or Android 4.2 or above

DEVICE SETUP

Scan QR code and configure Wi-Fi via BLE

LOCAL STORAGE DUE TO NETWORK OUTAGE

24 hours

Each box comes neatly packed with the following items:

  • uHoo unit
  • Type C USB cable
  • Country specific power adapter
  • Shipment to Australia and New Zealand will receive UK adapters 
 
Unit
Range
Resolution
Accuracy
Temperature
°C
-40 to 85 °C
0.1 °C
±0.5 °C
Relative Humidity
%
0 to 100%
0.1%
±3%
Dust (PM2.5)
µg/m3
1 to 1,000 µg/m3
1 µg/m3
±10 µg/m3 (0 to 100 µg/m3)
±10% (> 100 µg/m3)
TVOCs
ppb
0 to 60,000 ppb
1 ppb
±10 ppb or
±5% of reading * 2
Carbon Dioxide (CO₂)
ppm
400 to 10,000 ppm
1 ppm
±40 ppm plus 4% of actual value
Carbon Monoxide (CO)
ppm
0 to 1,000 ppm
0.1 ppm
±1 ppm or ±5% of reading
Choose higher of the two
Air Pressure
mBar
300 to 1,100 mBar
0.1 mBar
±1 mBar
Nitrogen Dioxide (NO₂)
ppb
0 to 1,000 ppb
1 ppb
±20 ppb (0 to 100ppb)
±20% (100 to 1,000 ppb)
Ozone (O₃)
ppb
1 to 1,000 ppb
1 ppb
±20 ppb (0 to 100ppb)
±20% (100 to 1,000 ppb)

uHoo Caeli User Manual

  • Product Description
  • Product Specifications
  • What’s in the Box
  • What You’ll Need
  • Setting up your uHoo Account
  • Setting up your uHoo Caeli
  • Important Notes
  • Sensor Warm-up & Calibration
  • Performance of uHoo Sensors
  • Troubleshooting
  • Get Support

Technical Specifications

Explore uHoo

Resources

Less Allergies

Know exactly what products and chemicals to avoid and prevent dust buildup before allergies and infections occur.