Current price
$299 current exact-page U.S. reference
Refresh due soonDirect source1 evidence itemReconcile the exact UHO-OT-000001 checkout price, stock, subscription tier, seller, tax, shipping, warranty and returns before payment
uHoo · UHO-OT-000001
Smart Air Monitor
A screenless Wi-Fi monitor for CO2, PM2.5, VOC, carbon monoxide, nitrogen dioxide, ozone, temperature, humidity and pressure with one-minute cloud reportingMarket statusCurrent supported nine-channel app-based room monitorChecked Aug 18
Reference price$299 current exact-page U.S. referenceuHoo's exact Smart Air Monitor product detail shows $299, while other manufacturer surfaces have displayed different amounts
Product cyclecurrentRelease history under review
EvidenceWell supported7 publishers · 2 independent
Next full checkAug 25, 2026Price checks run sooner
01
Ready to buy
Confirm the exact monitor and data path
The retained reference is $299 current exact-page U.S. reference. Confirm the model, sensors, calibration, sampling, app or local history, privacy, power, placement, stock, returns and written U.S. support before payment.
Buying stageMarket familiarity
02
Current market
The facts that change the ownership choice
Each line carries its own check date because price, software, specifications, and product cycle do not age at the same speed.
QuestionCurrent answerFreshnessBasis
Market branch
broad gas and particulate screening
Checked 6 days agoOur synthesis2 evidence itemsPurchase boundary
The retained exact product-detail price is $299, while other uHoo pages show conflicting references; checkout must resolve the amount, and all numerical use depends on the app and cloud
Checked 6 days agoOur synthesis3 evidence itemsSensor suite and exclusions
NDIR CO2, optical PM2.5, broad VOC, electrochemical or metal-oxide carbon monoxide, nitrogen dioxide and ozone channels, plus temperature, humidity and pressure are retained; none is a smoke alarm and overlapping gas cross-sensitivities can create correlated responses
Checked 6 days agoDirect source2 evidence itemsRanges, accuracy and disclosed gaps
The technical sheet publishes CO2 400 to 10,000 ppm at ±50 ppm plus 3 percent, PM2.5 1 to 200 µg/m³ at ±15 µg/m³ or 10 percent, and named ranges and error bands for CO, NO2, ozone, VOC, temperature, humidity and pressure. These maker bands are not reference certification
Checked 6 days agoDirect source3 evidence itemsCalibration, drift and response
The maker does not provide an operator traceable field-calibration protocol for every gas channel. Preserve one-minute upload, warm-up, firmware, site humidity and co-locations; older independent testing found weak behavior in some channels under its tested device generation and conditions
Checked 6 days agoOur synthesis5 evidence itemsData, app and cloud
There is no numerical display. The monitor uses 2.4 GHz Wi-Fi, uHoo account and cloud app for one-minute readings, alerts and history; a short local buffer does not replace internet service. Free and premium features must be separated
Checked 6 days agoDirect source3 evidence itemsPrivacy boundary
Cloud-only practical use processes room, device, network, account and environmental data under uHoo's policy. Confirm encryption claim, subscription, sharing, retention, deletion and administrator roles for schools, rentals and workplaces
Checked 6 days agoOur synthesis2 evidence itemsPower and placement
Continuous 5 V, 2 A power and Wi-Fi are required. Keep the enclosure upright with airflow clear, away from vents, windows, sun, steam, direct breath and point-source emissions unless performing a documented event test
Checked 6 days agoOur synthesis3 evidence itemsService and lifecycle
Confirm U.S. warranty, subscription, cloud and app longevity, charger, firmware, cleaning and replacement process. User replacement or traceable recalibration of individual gas sensors is not a retained service path
Checked 6 days agoDirect source2 evidence itemsInterpretation boundary
Use gas channels as screening signals with cross-sensitivity, drift and humidity in view. CO and ozone readings do not replace certified alarms or occupational methods; no channel names a source, diagnoses symptoms, certifies compliance or clears a space
Checked 6 days agoOur synthesis5 evidence itemsConsumer sensor versus reference method
Published ranges and nominal errors describe manufacturer conditions, not traceable performance for every unit, aerosol, gas mixture, humidity, firmware, age or site. Use co-location and documented quality checks; do not substitute this monitor for a regulatory, occupational, laboratory, radon or life-safety method.
Checked 6 days agoOur synthesis4 evidence itemsSeller and region
The price is retained for a current U.S. new-device path. Confirm exact model, authorized seller, electrical and radio region, stock, tax, delivery, returns, written warranty, replacement parts, app and cloud service before payment.
Checked 6 days agoOur synthesis2 evidence itemsCurrent verdict
The broadest consumer gas screen
Checked 6 days agoOur synthesis13 evidence itemsuHoo is defensible when breadth across several gas trends matters and the owner will validate channel behavior, but its price conflict, screenless cloud dependency and cross-sensitive gas channels are material caveats.
03
Other paths
The alternatives change what the Smart Air Monitor is worth
These are not generic competitors. Each one represents a different way to buy into the same market.
01ownership
Airthings
View Plus
$329.99 current direct U.S. price- Best fit
- broad household sensing with long-term radon
- Tradeoff
- The retained $329.99 covers the North American 2960 monitor; optional USB power, hub or building dashboard choices, batteries, subscriptions, tax and stock must be confirmed for the intended remote-management path
02ownership
AirGradient
AirGradient ONE
$230 current fully assembled U.S. reference- Best fit
- open-data and replaceable-sensor room monitoring
- Tradeoff
- The retained $230 is for the fully assembled indoor model; a USB-C cable is included, a wall adapter is not, and the free platform period, self-hosting choice, shipping, tax and sensor replacements remain separate decisions
04
What changed
The product has a history
Older observations stay in the ledger when the current view changes. That lets a buyer tell the difference between an old complaint, an active issue, and a problem that was corrected.
- notable
Current monitor evidence retained
Smart Air Monitor was checked against current U.S. manufacturer identity and price, exact specification or manual, support and privacy terms, independent evaluation and bounded owner or operator evidence.
Price record
The price history starts here
Each amount stays tied to its source and capture date. Conflicting prices remain visible until the seller resolves them.
- $299 current exact-page U.S. reference
Current reference priceA structured timeline will begin with the next source capture
05
Owner experience
What repeats after the purchase
Owner and operator evidence is retained as a setup, response, data and service checklist for Smart Air Monitor, not an accuracy, reliability, health or safety rate.
Reports are self-selected and span different units, firmware, calibration, sites, pollutants, humidity, event sources, comparisons, networks, accounts and ages. They cannot prove reference accuracy, source identity, population reliability, exposure, health outcome, compliance or safety clearance.SignalWhat owners reportOur readEvidence
Wi-Fi setup, app and subscription behavior, gas-channel spikes, comparison with alarms or separate instruments and support
Self-selected exact-model owners discuss setup, colocations, app or display behavior, connectivity, drift, false alarms and support. These anecdotes do not establish accuracy, health effects, failure rates or safety clearance for other units.
Resolve price and service first, then annotate benign events and use a trusted co-location to learn cross-response before treating a named gas channel as selective
1 evidence record06
Sources
Why we believe the current view
The page separates what a source states directly from what we conclude across sources.
01Smart Air Monitor current manufacturer recorduHoo · identity
uHoo identifies UHO-OT-000001 as a screenless Wi-Fi monitor for CO2, PM2.5, VOC, carbon monoxide, nitrogen dioxide, ozone, temperature, humidity and pressure with one-minute cloud reporting.
- Source type
- manufacturer
- Content hash
- d68e55f304cd8ecb…
- Use
- store excerpt
02Smart Air Monitor current U.S. priceuHoo · price
uHoo's exact Smart Air Monitor product detail shows $299, while other manufacturer surfaces have displayed different amounts.
- Source type
- manufacturer
- Content hash
- 8103839a4176bf29…
- Use
- store snapshot
03Smart Air Monitor manual and measurement specificationuHoo · specification
The current model documentation supports the retained sensor suite, measurement ranges or disclosed absences, calibration and response, power, placement and operating boundaries.
- Source type
- support
- Content hash
- fbb4de3d56dc524b…
- Use
- store excerpt
04Smart Air Monitor current support and serviceuHoo · specification
Confirm U.S. warranty, subscription, cloud and app longevity, charger, firmware, cleaning and replacement process. User replacement or traceable recalibration of individual gas sensors is not a retained service path
- Source type
- support
- Content hash
- e473beb30964cca9…
- Use
- store excerpt
05Smart Air Monitor privacy and data termsuHoo · software
Cloud-only practical use processes room, device, network, account and environmental data under uHoo's policy. Confirm encryption claim, subscription, sharing, retention, deletion and administrator roles for schools, rentals and workplaces
- Source type
- support
- Content hash
- 95c1a314267d36bc…
- Use
- store excerpt
06How to use air sensors and the Air Sensor GuidebookU.S. Environmental Protection Agency · specification
EPA separates lower-cost air-sensor information from regulatory monitoring and emphasizes study design, siting, quality checks, interpretation and communication of uncertainty.
- Source type
- support
- Content hash
- 00774782ed9fbe35…
- Use
- store excerpt
07Improving your indoor environmentU.S. Environmental Protection Agency · specification
EPA places monitoring inside source control, ventilation, filtration and moisture-management decisions rather than treating a sensor reading as source identification, diagnosis or proof of safety.
- Source type
- support
- Content hash
- 7db9daa987bfadbb…
- Use
- store excerpt
08Radon guidanceU.S. Environmental Protection Agency · specification
EPA radon guidance uses validated testing, named decision thresholds and mitigation follow-up; a short consumer display change is not a radon clearance result.
- Source type
- support
- Content hash
- 75d4fad51cab5d99…
- Use
- store excerpt
09Carbon monoxide fact sheetU.S. Consumer Product Safety Commission · specification
CPSC guidance requires functioning carbon-monoxide alarms and emergency response to alarm or symptom conditions. A general air-quality monitor is not a substitute.
- Source type
- support
- Content hash
- cf427cddb9c401bc…
- Use
- store excerpt
10uHoo Smart Air Monitor reviewTechHive · specification
Independent hands-on use evaluates exact-product installation, app presentation and multi-channel event response in one home. It does not validate every gas channel or establish long-term accuracy.
- Source type
- editorial
- Content hash
- 06116821229effa4…
- Use
- store excerpt
11uHoo Smart Air Monitor owner discussionsIndoor-air monitor owners · consensus
Self-selected exact-model owners discuss setup, colocations, app or display behavior, connectivity, drift, false alarms and support. These anecdotes do not establish accuracy, health effects, failure rates or safety clearance for other units.
- Source type
- community
- Content hash
- a403740cce03f825…
- Use
- store excerpt
12View Plus alternativeAirthings · alternative
View Plus is the broad household sensing with long-term radon alternative at $329.99 current direct U.S. price.
- Source type
- manufacturer
- Content hash
- c6809ef3e6cde5e7…
- Use
- store excerpt
13AirGradient ONE alternativeAirGradient · alternative
AirGradient ONE is the open-data and replaceable-sensor room monitoring alternative at $230 current fully assembled U.S. reference.
- Source type
- manufacturer
- Content hash
- 85d6c3f1491fc35a…
- Use
- store excerpt
Manufacturer identity, exact current U.S. price, specification or manual, support, independent evaluation and bounded owner or operator evidence were checked on August 18, 2026. This market covers current complete U.S.-supported indoor-air monitors for serious residential, school, office or building-owner use. It excludes smoke and carbon-monoxide life-safety alarms, basic single-purpose thermometers or hygrometers, sensors integrated into purifiers or dehumidifiers, HVAC controls, laboratory reference analyzers, professional handheld instruments, unsupported marketplace devices, cosmetic bundles and minor connectivity variants. Consumer low-cost sensors are not regulatory or laboratory reference methods. Optical PM estimates mass from scattered light and varies with aerosol, size distribution, humidity, inlet condition, correction and aging. Metal-oxide VOC, eTVOC and gas-index channels respond to mixtures, humidity and rolling baselines, may cross-react and cannot identify a source or specific compound; even a named low-cost formaldehyde channel needs interference and method scrutiny. NDIR CO2 can drift, and automatic baseline correction assumes periodic exposure near outdoor background. CO2 is an occupancy and ventilation clue, not proof of clean air, infection risk or safety. Radon decisions require the named averaging period and confirmation appropriate to EPA guidance. Site monitors in representative occupied air away from vents, windows, heat, direct sun, humidifiers and immediate sources unless testing that source. Nearby outdoor data adds context only when time, distance, weather and source differences are retained. No monitor identifies a source, diagnoses health, certifies ventilation or regulatory compliance, clears a space as safe, or replaces certified smoke and carbon-monoxide alarms. A monitor does not clean air, dehumidify a room or control HVAC unless a separate reviewed system does that work.
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