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30 kids in a sealed classroom. CO₂ hits 3,000 ppm by second period. Little lungs need 2.5x more air than adults — and they're getting far less.

30+ kids per classroom 2.5x more air needed vs adults 3,000+ ppm by 10 AM

The problem

What happens inside a Delhi classroom

We monitored 8 schools across NCR for a full academic week. Every classroom failed WHO standards.

3,200+

CO₂ in full classrooms

30 students breathing for 90 minutes in a sealed AC classroom. Scientifically unsafe for learning.

2.5x

Kids' breathing rate

Children breathe faster than adults. Their developing lungs absorb more of everything — good and bad.

23%

Lower test scores

Harvard research: students in classrooms with 1,000+ ppm CO₂ score 23% lower on complex reasoning tasks.

Our solution

School-grade ventilation your kids deserve

Quiet, efficient, and designed around classroom schedules and occupancy.

Installation
01

Per-classroom ERV units

Individual ventilation per room. No shared ductwork. If one room has more kids, it gets more air.

02

Quiet operation below 35 dB

Classroom-safe noise levels. Teachers don't raise voices. Kids don't get distracted.

03

Morning pre-flush cycle

System runs 30 mins before school starts. Classrooms start the day with baseline 450 ppm CO₂.

04

Principal's dashboard

Admin sees air quality across every classroom. Parents can see it too via PTA portal.

Real results

Before and after BreatheWise

Representative readings from a schools client in Delhi NCR.

Metric
Before → After
CO₂ at period 3Classroom peak
3,200
680 ppm
PM2.5 during Delhi winterNovember peak
240
18 µg/m³
Student attentivenessTeacher-reported
Low
High
Fresh air exchangePer hour
0
4-6x per hr

Find out what your school is breathing

Free air assessment. We bring the sensors. You see the data.

Book free air check