Odds are,
your building is over-ventilated.
Cut your HVAC bill by 10–30% — no upfront costs,
no retrofits, no tenant disruptions.
You only pay from verified savings.
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How do we know?
We've tested more buildings than anyone on earth.
Our aerosol tracer testing results are published in ASHRAE Journal — the global standard for building science. In 198 Class A office tests, buildings were over-ventilating by 2–2.5× on average.
What we found
Outdoor air is the most expensive air in your building.
of HVAC energy in commercial buildings is spent conditioning outdoor air that exceeds code requirements.
per sq ft per year wasted in energy costs — hidden in your annual operating budget.
of Class A offices tested overventilate — delivering 2–2.5× the outdoor air needed for health and code compliance.*
*Source: ASHRAE Standard 241 testing methods and sustainability outcomes
Over-ventilation is an invisible tax on your operating budget. When it's 95°F outside, every cubic foot of outdoor air your system pulls in has to be cooled — and when it's 10°F, heated. That cost doesn't trip alarms or show up on a report. It just silently inflates your utility bill — every single month.
What We Do
All we do is optimize ventilation.
Not a broad energy consultancy. Not an equipment vendor.
One thing — and no one has tested more buildings to prove it.
Only ventilation
We don't touch your controls platform, your chillers, or your lighting. We go deep on one variable — outdoor air — and we get it right.
Measured, not modelled
Aerosol tracer testing gives us your actual ventilation rates — not estimates from a drawing. Real numbers mean real savings.
Verified savings only
Every dollar of savings is verified before you owe a cent. We use the global measurement standard for energy savings — the same method accepted by institutional investors and WELL certification bodies.
Trusted by the world's leading property owners and operators
How It Works
The Poppy Certify continuous
retro-commissioning process.
Select a Candidate Building
You work with Poppy to identify buildings with the highest savings potential. A 30-minute call reviews your building’s mechanical profile and utility data. If the opportunity isn’t there, we tell you right away — no wasted time for either side.
30-minute discovery callSelect a Candidate Building
You work with Poppy to identify buildings with the highest savings potential. A 30-minute call reviews your building’s mechanical profile and utility data. If the opportunity isn’t there, we tell you right away — no wasted time for either side.
30-minute discovery call
The Poppy Test
Our field team arrives on-site with sensors and a nebulizer. The nebulizer releases salt-water particles — simulating human breath — and challenges the building to remove them. Each sensor measures how quickly particles clear from the space, giving a direct measurement of how much clean air each zone delivers through ventilation and filtration.
Each setup covers ~9,000 sq ft. For a million-square-foot building, we’re done in two to three days. Completely standalone — no BMS hookup or Wi-Fi required.
ASHRAE Standard 241 normative testThe Poppy Test
Our field team arrives on-site with sensors and a nebulizer. The nebulizer releases salt-water particles — simulating human breath — and challenges the building to remove them. Each sensor measures how quickly particles clear from the space, giving a direct measurement of how much clean air each zone delivers through ventilation and filtration.
Each setup covers ~9,000 sq ft. For a million-square-foot building, we’re done in two to three days. Completely standalone — no BMS hookup or Wi-Fi required.
ASHRAE Standard 241 normative test
Your Assessment Report
You receive a ventilation report showing exactly how much clean air you’re delivering, whether you’re above or below code, and the projected savings — zone by zone, floor by floor.
Results DeliveredYour Assessment Report
You receive a ventilation report showing exactly how much clean air you’re delivering, whether you’re above or below code, and the projected savings — zone by zone, floor by floor.
Results Delivered
Optimize Airflow Rates
Your existing damper setpoints are adjusted to deliver exactly what each space needs — according to ASHRAE 62.1 and optionally ASHRAE 241. No new equipment. No retrofits. Your own team makes the changes using our specifications.
No new equipment requiredOptimize Airflow Rates
Your existing damper setpoints are adjusted to deliver exactly what each space needs — according to ASHRAE 62.1 and optionally ASHRAE 241. No new equipment. No retrofits. Your own team makes the changes using our specifications.
No new equipment required
Verify & Maintain Savings
Your dashboard shows what you would have spent versus what you’re actually spending — hour by hour, normalized for weather. At the end of each month, savings are tallied and verified.
We retest at six months, twelve months, and then annually. If your system changes — retrofit, major tenant change, anything — we re-adjust the settings free. It’s a partnership to keep your building at its most efficient point.
Continuous annual cycleVerify & Maintain Savings
Your dashboard shows what you would have spent versus what you’re actually spending — hour by hour, normalized for weather. At the end of each month, savings are tallied and verified.
We retest at six months, twelve months, and then annually. If your system changes — retrofit, major tenant change, anything — we re-adjust the settings free. It’s a partnership to keep your building at its most efficient point.
Continuous annual cycleThis cycle repeats annually.
Poppy re-tests at 6 months, 12 months, and every year after that — ensuring your building stays right at code, never drifting above or below.
Proven at Scale
The proof is in the verified results.
weeks to savings
From assessment to verified savings on your utility bill.
average verified savings delivered
Measured and verified across our portfolio of commercial buildings.
sq ft optimized
Class A offices, malls, campuses, venues, and more.
customer upfront cost
No retrofits, no equipment purchases, no capital required.
About Poppy
Built by the team that made
ventilation measurable.
Founded in Silicon Valley by the original team from Meta. Authors of the ASHRAE Standard 241 aerosol tracer test method — the global benchmark for measuring ventilation. 15,000+ locations tested across 5 countries and 3 continents. Named #5 World's Most Innovative Company by Fast Company.
Why this is different
We only win when you win.
Aligned incentives from day one. You owe nothing until the savings are on your utility bill — every dollar comes from energy waste you were already paying for.
No upfront cost
Free assessment for qualifying buildings. If we don't find a meaningful savings opportunity, we walk away. No invoice. No obligation.
Pay from savings
We share a portion of your verified utility savings. The payments come from money you were already spending — not from new budget.
No capital required
No retrofits. No equipment purchases. No construction. We work with what your building already has.
"Poppy saved us over $109,000 in our first year — and we paid nothing until we saw it on our bill."
Case Studies
Real buildings, real savings.
46% ventilation reductionClass A Office Tower
504,500 SF · Midtown, New York City
No retrofits · $0.22/SF per year
Phase 1 · 26 AHUsRegional Mall
1,633,000 SF · New Jersey
Phase 1 of full property · Full rollout in progress
Highest-return propertyRetail Center
250,000 SF · New Jersey
Verified · $1.51/SF per year
Cross-border deliveryMulti-Tenant Office
185,000 SF · British Columbia
Verified · $0.11/SF per year
Testimonials
Trusted by the world's leading owners and operators.
From Class A towers to regional malls.
“Poppy's team had us baselined quickly. The savings showed up on our utility bills exactly as predicted — we didn't touch a single piece of equipment.”
Director of Engineering
Class A Tower, New York
“We were sceptical that you could cut HVAC spend without compromising air quality. The verified savings removed every doubt. This is now standard in our portfolio.”
VP of Sustainability
Mixed-Use Portfolio
“The performance contract model is what sold us. We owe nothing until the savings are verified. It was a no-brainer for our asset management team.”
Asset Manager
Regional Mall
“Poppy's team had us baselined quickly. The savings showed up on our utility bills exactly as predicted — we didn't touch a single piece of equipment.”
Director of Engineering
Class A Tower, New York
“We were sceptical that you could cut HVAC spend without compromising air quality. The verified savings removed every doubt. This is now standard in our portfolio.”
VP of Sustainability
Mixed-Use Portfolio
“The performance contract model is what sold us. We owe nothing until the savings are verified. It was a no-brainer for our asset management team.”
Asset Manager
Regional Mall
“Poppy reduced our outdoor air load by 46% while keeping healthy CO₂ levels. The reporting keeps our team informed without any manual effort.”
Senior Property Manager
504,500 SF Office Tower
“We brought Poppy into our WELL certification renewal. The real-time air tracing data was exactly what our certification body needed. Highly recommend.”
Head of ESG
Office Portfolio
“Indoor air quality scores improved, ventilation energy costs fell by 22% — and none of it required a capital spend.”
Portfolio Manager
Multi-Tenant Campus
“Poppy reduced our outdoor air load by 46% while keeping healthy CO₂ levels. The reporting keeps our team informed without any manual effort.”
Senior Property Manager
504,500 SF Office Tower
“We brought Poppy into our WELL certification renewal. The real-time air tracing data was exactly what our certification body needed. Highly recommend.”
Head of ESG
Office Portfolio
“Indoor air quality scores improved, ventilation energy costs fell by 22% — and none of it required a capital spend.”
Portfolio Manager
Multi-Tenant Campus
“We've worked with a lot of efficiency consultants. Poppy is the only one that showed up with aerosol tracers, measured actual ventilation rates, and gave us bankable numbers.”
Chief Engineer
Convention Centre
“The measurement technology alone is years ahead of the market. After seeing the results across our portfolio, we're fully committed.”
Director, Healthy Buildings
National Portfolio
“The verified reports are accepted without question by our institutional investors. Poppy helped us hit our sustainability targets two years early.”
Sustainability Lead
Class A Retail Center
“We've worked with a lot of efficiency consultants. Poppy is the only one that showed up with aerosol tracers, measured actual ventilation rates, and gave us bankable numbers.”
Chief Engineer
Convention Centre
“The measurement technology alone is years ahead of the market. After seeing the results across our portfolio, we're fully committed.”
Director, Healthy Buildings
National Portfolio
“The verified reports are accepted without question by our institutional investors. Poppy helped us hit our sustainability targets two years early.”
Sustainability Lead
Class A Retail Center
Is Poppy right for you?
Not every building qualifies.
Poppy works best in large commercial buildings with central HVAC systems and significant outdoor air loads. A thirty-minute call tells us if your building qualifies. If it does, no upfront cost for the on-site assessment. You'll know your exact savings opportunity before deciding how to proceed.
Where Poppy works
Typical qualifying building
- 100,000+ sq ft
- Central air handling units
- Outdoor air dampers
- Mechanical ventilation (not operable windows)
Average verified savings
| Building Type | $/SF/yr |
|---|---|
| Office (Class A/B) | $0.11–$0.22 |
| Retail / Mall | $0.09–$0.15 |
| Sports & Entertainment | up to $0.53 |
| Large Venues | up to $1.51 |
Based on verified results across the Poppy portfolio.
Aligned with leading standards
Ready to find out?
What are the odds
for your building?
It starts with a 30-minute call. We'll tell you if your building qualifies — and if it does, the on-site assessment is free. No obligation at any point.
Free assessment for qualifying buildings.