Grehni is building the intelligence layer for the world around us. We combine AI, data and real-world understanding to create systems that perceive, learn and enhance environments in real time.
From homes to hotels, retail to restaurants — Grehni's platform makes any environment perceive, adapt and respond.
Our core AI processes thousands of environment signals per second — temperature, occupancy, behavior patterns — and acts without being asked. The space learns from you, not the other way around.
Environments that respond to change as it happens — not on rigid schedules, but on live human reality.
All processing stays local on edge clusters. No behavioral data ever leaves your private environment.
Works with 200+ hardware protocols and smart devices. Deploy on existing infrastructure — zero rip-and-replace required.
By 2035, every environment that people inhabit will be intelligent. Grehni is building the foundational layer that makes this possible — invisibly, reliably, and at scale.
“We're not just building technology. We're building intelligence that elevates everyday human experiences across every space.”
"Grehni turned our hotel into something guests talk about for months. The environment just knows what they need."
"Our office energy bill dropped 34% in three months. And honestly — the space just feels better and more focused now."
"Grehni is the only platform that actually understood our space rather than just controlling it."
Join 12,000+ environments already running on Grehni. First 30 days free, no hardware commitment.
Grehni is building the intelligence layer for the world around us. We combine AI, data and real-world understanding to create systems that perceive, learn and enhance environments in real time.
“We're not just building technology. We're building intelligence that elevates everyday experiences.”
We are on a mission to enhance everyday environments through intelligent aroma experiences — making India feel better, think better and live better.
From homes to workplaces, hotels to hospitals, retail to spiritual spaces — we envision an India where every space is intelligently aromatic.
AI-powered aroma diffusion systems that adapt to space, people and purpose.
Sensors and data models that understand environment, mood and behavior.
Our proprietary operating system that orchestrates intelligence and aroma.
Actionable insights that help businesses enhance experience and performance.
Built to scale across cities, industries and millions of experiences.
We build with a purpose that creates real impact.
We challenge limits and create what's next.
People, emotions and experiences come first.
We believe in honesty, transparency and trust.
We never stop improving what we deliver.
Grehni builds intelligent systems that sense, understand, predict and enhance environments in real time. Our technology combines AI, data, automation and IoT to create experiences that are context-aware, adaptive and delightful.
Our technology foundation ensures every solution we build is powerful, adaptable and ready for the future.
Machine learning, deep learning and generative AI models that understand complex environmental patterns.
High-speed data ingestion, streaming analytics and real-time decision engines operating under millisecond latencies.
Smart devices, edge computing clusters and mesh IoT networks engineered for autonomous real-world operation.
Scalable, secure and resilient cloud infrastructure designed for high availability and elastic workloads.
Intelligent automation that orchestrates multi-zone workflows, aroma diffusion devices, and environmental systems.
End-to-end encryption, strict privacy-first architecture, and enterprise-grade regulatory compliance.
Python
TensorFlow
PyTorch
Kubernetes
AWS
Google Cloud
Docker
At Grehni, R&D is at the core of everything we build. We constantly explore new ideas, test advanced models and build real-world solutions that create meaningful impact.
Aroma OS is a real-time embedded kernel built to orchestrate ambient scent, monitor air currents, and synchronize multi-zone diffusion with human cognitive states, circadian rhythms, and building automation.
Select a clinical formulation below to see how Aroma OS modulates fragrance density, dry-vapor particle dispersal, and active diffusion duration.
Formulated for high-focus corporate environments, executive boardrooms, and trading floors. Modulates olfactory receptors to stabilize beta brainwaves and prevent cognitive fatigue.
Cold-vapor ultrasonic nozzles generate non-wetting dry mist with zero residue on glass or furniture.
Real-time computational fluid dynamics map indoor air currents from HVAC vents to prevent stagnation pockets.
Calculates biological olfactory decay intervals to alternate active scent micro-bursts and clean air recovery.
Thread and Zigbee low-latency mesh controls up to 256 physical diffuser units across multi-story buildings.
Hardware-level locks guarantee 100% compliance with IFRA limits and automated safety cut-offs.
| Parameter | Aroma OS Core Engine | Standard Commercial Diffuser | Enterprise Advantage |
|---|---|---|---|
| Droplet Particle Diameter | < 0.8 Microns (Dry Vapor) | 15 – 35 Microns (Wet Mist) | Zero condensation, leaves no film on sensitive electronics |
| Olfactory Habituation Prevention | Proprietary Micro-Burst Modulation | Continuous Run (Fatigue within 20 mins) | 100% human sensory awareness sustained for 8+ hours |
| Mesh Scaling Limit | 256 Diffusers / Single Gateway | 1 – 4 Units (Bluetooth Direct) | Seamless multi-floor campus wide synchronization |
| RTOS Kernel Latency | < 1.8 ms Deterministic Response | Unscheduled / Mechanical Timer | Instantaneous reaction to occupancy spikes or VOC events |
Grehni Edge Intelligence executes localized neural network models on dedicated silicon embedded in every gateway. It continuously processes Volatile Organic Compounds (VOC), airflow velocity, and human occupancy in under 5 milliseconds—100% on-premises without cloud round-trips.
Physical sensor readings captured by the gateway MEMS bus and processed through the quantized 4-bit neural inference network.
ARM Cortex-M55 microprocessor with Helium Vector extensions running integer-quantized sensory models.
No audio, room dimensions, or occupant behavior metrics are transmitted out of your corporate firewall.
Self-learning baseline compensation algorithms prevent metal-oxide sensor drift over 5+ years of continuous operation.
Continues precise ambient scenting schedules and localized airflow compensation even when fiber or internet goes down.
Direct Modbus and BACnet IP integration interfaces with Daikin, Carrier, Honeywell, and Johnson Controls.
Grehni Cloud delivers multi-tenant fleet orchestration, predictive refill logistics, and ambient analytics across thousands of corporate, luxury hotel, and smart city environments worldwide.
Real-time status of Grehni Cloud points of presence delivering ultra-low round-trip latency to edge gateways worldwide.
Machine learning forecasts fragrance cartridge consumption to trigger automated doorstep deliveries 14 days ahead.
Granular enterprise permissions with SAML 2.0 Single Sign-On, Okta, Microsoft Entra ID, and full audit trails.
Real-time corporate dashboards correlating ambient fragrance schedules with room occupancy, productivity, and air purity.
Hardware-grade mutual TLS (mTLS) authentication with 256-bit encryption for every connected gateway.
Over-the-air (OTA) dual-partition firmware updates ensure gateways never brick during kernel enhancements.
Everything engineers, building designers, and enterprise integrators need to implement intelligent olfactory computing. Explore official SDKs, peer-reviewed scientific whitepapers, REST APIs, and deployment guides.
import grehni_os
# Initialize secure local gateway
client = grehni_os.Client(
gateway_ip="192.168.1.120",
api_key="gr_live_9f8a2bc41"
)
# Subscribe to real-time spatial sensor events
@client.on_sensor_event(zone_id="boardroom-alpha")
def handle_environmental_shift(event):
if event.occupancy > 10 and event.tvoc > 180:
# Boost refreshing citrus-pine micro-droplet burst
client.dispense(profile="circadian_reset", duration_sec=15)
print(f"[Aroma OS] Triggered burst: TVOC {event.tvoc} ppb")Explore clinical and computational evidence demonstrating the neurological and atmospheric impact of adaptive scenting.
Deep neural network models for dynamic gas dispersion modeling and air current compensation in closed commercial environments.
Download PDF ↗12-month controlled trial evaluating focus, typing velocity, and fatigue alleviation using biometric-synchronized scent diffusion.
Download Study ↗Spatial ambient intelligence architectural framework for multi-zone olfactory deployment in metro transit, terminals, and public lobbies.
Download Monograph ↗Complete mounting, PoE electrical specifications, BACnet wiring diagrams, and Thread network provisioning documentation.
Download Manual ↗Material Safety Data Sheets (MSDS), allergen profiling, and non-toxicity certificates for all Grehni ambient fragrance compounds.
Inspect Certificate ↗How The Oberoi deployed Aroma OS across 4 luxury properties to achieve a 40% increase in sensory brand recall and guest satisfaction.
Read Case Study ↗Grehni powers intelligent systems across industries. From homes to cities, from workplaces to infrastructure — we help environments understand, adapt and perform better.
Create healthier, safer and more comfortable living spaces.
Intelligent environments that improve productivity and efficiency.
Improve operations, safety and asset performance.
Build sustainable, connected and responsive cities.
Deliver personalized experiences that guests love.
Strengthen infrastructure with intelligent systems.
Understands environment, behavior and intent.
Responds in real time with accurate insights.
Enterprise-grade security built for scale.
Works with your systems and existing workflows.
Systems that learn, adapt and improve over time.
Grehni is proudly built by Antellay Labs — a deep-tech research and product studio focused on intelligence, automation and real-world impact.
Grehni for Smart Homes transforms residential environments through multi-room micro-droplet diffusion, circadian sleep-wake aroma alignment, and smart home ecosystem synchronization with Apple HomeKit, Google Home, and Matter.
Each room in your residence requires a unique sensory profile. Aroma OS orchestrates individual room diffusers automatically based on time, sunlight, and presence.
Seamlessly integrates with Apple HomeKit, Google Assistant, Amazon Alexa, and Matter over Thread.
Zero mist, zero moisture, and zero residue on expensive hardwood floors, leather, or art collections.
Wake up to invigorating citrus, transition to fresh mountain pine at noon, and unwind with lavender at dusk.
All natural botanical formulations tested strictly against IFRA Standard 51 allergen guidelines.
Flush ceiling mounts or HVAC in-duct diffusers blend seamlessly with high-end interior architecture.
Designed for corporate headquarters, client presentation suites, boardrooms, and premium co-working campuses. Grehni improves cognitive sharpness by 18% and reinforces executive brand prestige through synchronized environmental aroma.
Trials conducted across enterprise corporate campuses demonstrate measurable uplifts in cognitive alertness, client dwell time, and indoor air satisfaction.
Direct in-duct vapor injection disperses ambient scent uniformly through the building's central ventilation system.
Synchronizes with Microsoft Outlook and Google Calendar to initiate focus aroma 5 minutes before important meetings.
Our master perfumers formulate an exclusive signature scent that embodies your corporate brand DNA.
Facilities managers monitor cartridge levels, diffuser uptime, and room air status across all floors in one UI.
Micro-burst cycles prevent sensory fatigue so team members and visitors notice the refreshing aroma all day long.
High-volume dry-vapor counteraction systems designed for chemical manufacturing, pharmaceutical cleanrooms, food processing plants, and waste management facilities. Neutralizes harsh airborne VOCs, sulfides, and industrial odors at the molecular level.
Unlike masking agents that cover up foul odors, Grehni molecular vapor chemically bonds with airborne malodors to permanently neutralize them.
Neutralizing vapor chemically binds with hydrogen sulfide (H2S), ammonia, and mercaptans to eradicate odor.
50-liter and 200-liter bulk neutralizer canisters with automated IoT telemetry alert for automated restock.
Provides regulatory environmental air reporting dossiers to prove localized odor containment to municipal authorities.
Meets ISO 14644-1 Class 5 cleanroom particle count standards with non-condensing sub-micron dry vapor.
OPC-UA and Modbus TCP protocols link directly with your plant DCS (Distributed Control System).
Grehni Smart Cities integrates sensory computing into metro transit hubs, municipal complexes, central commercial corridors, and civic centers to enhance public well-being, reduce commuter stress, and monitor urban air quality.
Connecting air quality monitoring with intelligent micro-droplet diffusion to transform public perception and urban livability.
Deploys non-allergenic sanitizing dry vapor in underground metro corridors and high-density passenger platforms.
Utilizes clinical citrus-lavender micro-droplets in government citizen service halls to lower ambient cortisol levels.
IP66 rated stainless housings engineered to endure harsh monsoon rains, extreme dust, and tropical heat.
Connects with Smart City Integrated Command and Control Centers (ICCC) via open REST and MQTT streaming.
100% biodegradable natural botanical compounds with zero synthetic aerosols or ozone-depleting propellants.
Elevate guest arrival moments, signature hotel lobbies, luxury suites, and wellness retreats. Proven across world-class hotels to drive a 40% increase in emotional brand recall and premium guest satisfaction.
From the moment guests step into the portico to their evening in the presidential suite, each space tells a harmonious sensory story.
Bespoke signature scents crafted in Grasse and Mysore exclusively reserved for your property brand.
Connects with Oracle Opera so VIP suites are aromaticized with guest preference profiles 15 minutes before arrival.
Ensure a consistent olfactory signature across 50+ luxury hotels in Mumbai, Dubai, London, and Singapore.
Sub-micron dry vapor guarantees zero condensation on silk drapery, velvet upholstery, and marble flooring.
Hotel staff adjust zone fragrance intensity on the fly via dedicated iPad or concierge smartphone app.
Engineered for international airport terminals, central railway concourses, sports stadiums, and exhibition centers handling hundreds of thousands of daily passengers. Combines persistent odor eradication with sensory de-escalation mists in crowded security queues.
High-volume AHU jet diffusion coupled with continuous VOC scrubbing transforms crowded transit hubs into pleasant, calm environments.
Direct jet vaporization into 10,000+ CFM air handlers distributes dry aroma evenly across vast airport gate wings.
Disperses scientifically validated lavender-bergamot phytoncides in security and passport control queues.
100% non-flammable dry vapor tested rigorously to pass international aviation and rail fire safety standards.
Continuous automated 90-day operation without manual maintenance, backed by IoT predictive refill alarms.
Interfaces directly with Honeywell EBI, Johnson Controls Metasys, and Siemens Desigo airport management systems.
We're here to answer your questions, explore ideas, and help you create environments that understand and adapt.
Tell us about your project or inquiry. Our team will get back to you as soon as possible.
Grehni is proudly built by Antellay Labs — a deep-tech research and product studio focused on intelligence, automation and real-world impact.
Come say hello! We'd love to meet you and explore how we can work together to build the future.
Terms of service governing access to Grehni's intelligent sensory platform, edge intelligence systems, and ambient olfactory technology.
Welcome to Grehni. By accessing or using our website, platform, sensory computing devices, or cloud services, you agree to these Terms & Conditions.
Grehni provides AI-powered technology for intelligent environments, aroma orchestration, ambient automation, environmental monitoring, and data-driven olfactory insights. You agree to use our services exclusively for lawful purposes and in compliance with all applicable local, national, and international laws.
Grehni utilizes advanced Artificial Intelligence, neural networks, machine learning models, and automated diffusion systems to provide contextual environmental insights and automated actions.
Grehni does not guarantee that AI-generated outputs will always be suitable for a specific unique purpose without independent human verification.
Grehni processes environmental metrics (VOC levels, ambient temperature, humidity, airflow rates), device operational parameters, telemetry logs, and associated information required to maintain high-precision sensory calibration.
All personal and telemetry data is handled in strict accordance with our Privacy Policy and applicable data protection legislation in India.
Grehni may interface with third-party HVAC hardware, Building Management Systems (BMS), external IoT sensors, and cloud APIs.
We are not responsible for device degradation, operational interruption, latency, or protocol deprecation caused by third-party hardware manufacturers, firmware incompatibilities, or external utility failures.
All proprietary Grehni software, source code, Aroma OS algorithms, neural diffusion models, interface designs, industrial hardware blueprints, and brand trademarks are the exclusive intellectual property of Grehni, Antellay Labs, and Celebso Group.
No content, brand asset, or software layer may be reproduced, decompiled, reverse-engineered, or exploited commercially without express prior written consent.
While Grehni targets 99.9% uptime across enterprise cloud nodes, we do not guarantee uninterrupted, instantaneous, or completely error-free operations under all atmospheric, hardware, or network conditions.
Periodic over-the-air (OTA) updates and maintenance windows may occasionally occur with advance telemetry notice.
To the maximum extent permitted by applicable law, Grehni, Antellay Labs, Celebso Group, and their founders, directors, and affiliates shall not be liable for any direct, indirect, incidental, punitive, or consequential damages resulting from technical interruptions, third-party sensory inaccuracies, hardware miscalibration, or reliance on automated aroma diffusion decisions.
Grehni reserves the right to revise or update these Terms periodically. Notice of material modifications will be reflected by the "Last Updated" timestamp at the top of this document. Continued engagement with our systems following modifications constitutes formal acceptance.
These Terms & Conditions are governed by the laws of India. Any disputes arising hereunder shall be subject to the exclusive jurisdiction of the competent courts in Jaipur, Rajasthan, India.
For legal notifications, compliance questions, or formal notices, please connect directly with our legal desk:
Grehni AI
Jaipur, Rajasthan, India
A Celebso Group Company · In partnership with Antellay Labs
Comprehensive data governance, telemetry security protocols, and ethical AI standards safeguarding your smart environments.
Grehni collects and processes the minimal data points necessary to calibrate, automate, and safeguard ambient sensory experiences. Depending on the integrated configuration, collected telemetry may include:
We process information strictly to maintain, improve, and protect Grehni services:
You agree to use Grehni responsibly, lawfully, and in accordance with acceptable operational guidelines. You must not:
Failure to adhere to acceptable use terms may result in immediate revocation of API access and cloud account suspension.
Grehni deploys enterprise-tier technical and organizational security controls:
If you identify a prospective security flaw or vulnerability, please report it immediately to our security response team at info.celebso@gmail.com. We appreciate responsible disclosure.
For enterprise deployments, commercial licenses, and recurring cartridge replenishment subscriptions:
In accordance with the Information Technology Act and applicable Indian Privacy rules, if you have any questions, feedback, or grievance regarding your personal information, please contact: