Run an office tower, indoor mall, or major venue?
Your building is overventilated.
Test today & save 30%
on your next energy bill.
No retrofits, no installations, no upfront costs.
No sacrificing comfort or health.
No problem.
Built by the team that
made ventilation measureable.
Founded in Silicon Valley by the original team from Meta,
with world-class engineers and operators from NYC Commercial Real Estate.
Named #5 World's
Most Innovative Company by

All we do is optimize ventilation.
Outdoor air is expensive to heat and cool.
Get it right and you get lower energy cost and a healthier building.
After thousands of tests, we revealed that most buildings in specific classes are over-ventilated relative to code (ASHRAE 62.1).
For decades, ventilation has been a guessing game.
Most buildings estimate ventilation instead of measuring it, run conservatively and waste energy.
Poppy provides a modern measurement approach using a technology we introduced to the industry: Real-time Air Tracing.
We baseline test buildings, uncover where they sit relative to code, and quantify the savings opportunities we find.
Air Tracing is fast, on-site testing to measure ventilation.
It tells you how much clean air is coming from outside versus filtration / recirculation.
Our data is the foundation for confident ventilation optimization.
No guessing, no blanket assumptions.
With our Shared Savings Program, we only win when you win.
We start with testing at no risk and no upfront cost to you, and if we find savings we provide the path to realize it.
You only move forward when there’s a significant savings opportunity.
If we don’t find one, you owe nothing.
Poppy provides expert ventilation optimization, not just a number.
Poppy's dashboard provides real-time tracking of your ventilation savings, hour-by-hour and across your portfolio.
As your buildings change, we re-tune so performance doesn’t slip.
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50 MILLION SF OPTIMIZED WORLDWIDE














Simple steps for sustainable air today.
1. Baseline
Rapid 10-30% floor area measurement while the space is occupied.
See results instantly online.


2. Optimize
Use Poppy results and recommendations to optimize equivalent clean airflow adjusted to true zone-level occupancy.
3. Verify
Poppy verifies each zone is on target for ASHRAE 241 and 62.1 at true occupancy levels. Congrats on your balanced building!


4. Maintain
Poppy conducts seasonal maintenance to continuously optimize energy savings, safety, and sustainability.
Energy Savings
Save 10% on your energy bill
by managing indoor airflow to actual occupancy.
Clean Air, Healthier Occupants
Reduce sick days with verified clean air and wildfire smoke clearance rate.​
Decarbonization & Sustainability
Use the fastest, most cost-effective way to reduce operational carbon in most buildings.
Compliance & Fine Reductions
Eliminate Fines for NYC's Local Law 97 and similar programs using ASHRAE 241 & ASHRAE 62.1.
One solution for many needs.

Balancing the invisible.
Very few things are more dynamic than the indoor air we breathe. Each room, even parts of rooms, vary due to occupancy, season, HVAC settings—even the time of day.
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Some areas are over-ventilated and use more energy than needed to heat, cool and circulate clean air
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Some areas are under-ventilated and put occupants at risk of getting sick
Balance can be achieved by:
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Natural or mechanical means (open windows or HVAC settings)
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Diluting, filtering and purifying the air (especially HEPA & MERV-13)
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Adjusting how an area is used and by how many (a busy gym vs. quiet office)
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It's hard to improve what you don't measure, so Poppy accurately measures ventilation performance.
What you get.
Fast and easy HVAC optimization with:
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Online Dashboard
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Manage energy optimization priorities across your portfolio using Poppy's online dashboard
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Visualize results within a 3D building model
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Quantify the instant impact of HVAC adjustments
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Energy Savings and Data-Driven Recommendations
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Use the calculator to estimate potential energy savings
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Optimize HVAC run modes using best practices
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Stay on track with ASHRAE 241 & ASHRAE 62.1
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No one has time for long projects, so Poppy takes just a day or two to get results.



Named Poppy #5 Most
Innovative Company in 2022
How it works.
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The world leader in clean airflow monitoring, Poppy's tracer particle system measures all natural and mechanical ventilation-dilution, filtration and purification with one accurate, real-time test.
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After releasing safe, food-grade tracer particles into the air, Poppy sensors collect millions of data points tracking how particles move and are removed over time. Within minutes, results and recommendations are available in a secure online dashboard.​
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Poppy system includes:
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Sensor accuracy with 10% of ISO 21501 calibrated reference particle counters in all size ranges (E1, E2, E3) - mandatory for ASHRAE Standard 241 tests
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Particle counts within 7 submicron and supramicron size bins ranging from PC0.1 to PC10
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Food-safe tracer particle (salt & water) diffusion at known sizes
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3D Digital Twin capture and volumetric measurement using LiDAR
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Automated machine learning/AI data analysis algorithm and recommendations
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Secure Online Dashboard & Testing App
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Building Management and Building Automation System (BMS/BAS) integrations and APIs



What Poppy monitors.
Poppy monitors the broadest range of accurate airflow and air quality measurements in a compact, affordable tracer sensor system.
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Equivalent Clean Airflow Rate (ECAi, VECAi)
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Effective Air Change Rate (eACH)
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Airflow Pathways and Patterns
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Safe Occupancy Levels
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Wildfire Smoke Clearance Rate
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Particle Counts, ultrafine, fine, coarse (PC0.1-PC10)
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Particle Mass, ultrafine, fine, coarse size (PM0.1-PM10)
Data-Driven Decisions.
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Poppy's system automatically generates recommendations based on your latest results - either for humans to review, or integrated into your building management system (BMS/BAS) to trigger the best HVAC run-mode automatically.
Accurate, instant data alone doesn't move the needle, so Poppy provides hands-off energy savings. Now that moves the needle.
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The new standard.
Released in July 2023, ASHRAE, the American Society of Heating Refrigerating and Air-Conditioning Engineers released Standard 241, the new indoor air quality standard for control of infectious aerosols in buildings. With testing protocols outlined in Appendix C, Poppy provides the only digital method to test for Standard 241.
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