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// regulation → measurement

EPBD recast
Indoor air quality monitoring in non-residential buildings

The recast EPBD makes indoor air quality a building requirement: zero-emission non-residential buildings must have measuring and control devices for IAQ, and major renovations must add them where feasible. CO₂ is the reference parameter.

Building-automation OEMsFacility managers of offices, schools, hospitalsHVAC integratorsDevelopers of zero-emission buildings
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Key dates
28 May 2024
Entry into force
29 May 2026
Transposition deadline for most articles (Art. 35(1))
1 Jan 2028
New buildings owned by public bodies are zero-emission buildings (Art. 7 — unverified detail, check national law)
1 Jan 2030
All new buildings are zero-emission buildings (Art. 7)
What the rule requires

Article references are to the text in the Official Journal; summaries are informational, not legal advice.

IAQ measuring and control devices — Art. 13(5)Member States shall require non-residential zero-emission buildings to be equipped with measuring and control devices for the monitoring and regulation of indoor air quality; in existing non-residential buildings, when a major renovation occurs, where technically and economically feasible.
Technical building systems — Art. 13Energy performance of altered systems assessed and documented; automation and control systems for large non-residential buildings (Art. 13(9)–(10), effective dates per national law).
National transpositionThe exact parameters (CO₂ set-points, ventilation classes) come from national building codes and EN 16798-1 — the Directive fixes the obligation, not the number.
What you have to measure
  • CO₂ concentration per zone (ppm) as the occupancy/ventilation indicator
  • Demand-controlled ventilation set-points (typ. 800–1 000 ppm, national rules)
  • Optional: humidity, temperature, VOC (non-NDIR)
// Non-compliant new non-residential buildings do not meet the zero-emission definition; renovation permits and EPC ratings depend on national transposition — the obligation lands in building codes from 2026.
Tremon products for this rule
L1 · OEM channel
IR·OEM
Your instrument. Our NDIR channel.
→ details
CO₂Carbon dioxide
Questions engineers ask
Which CO₂ accuracy is needed?
National codes reference EN 16798-1 IAQ categories; an OEM NDIR channel with ±(30 ppm + 3 % of reading) and automatic baseline correction is typical for building automation — confirmed per project.
Is a sensor enough, or a system?
The Directive says 'measuring and control devices' — the sensor must drive ventilation control. We supply the calibrated CO₂ channel into your controller.
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Tell us what you measure — just tap

Three taps and an email. An engineer replies within 24 h with feasibility and a price indication.

1 · Which gas?
2 · What for?
3 · What form?
4 · Where do we reply?
Goes to sales@tremon.nl. No newsletter, no tracking.
Other regulations
SF₆ switchgearF-gas Regulation (EU) 2024/573LDAR surveys, repair deadlinMethane Regulation (EU) 2024/1787Permits, BAT-AELs, continuouIndustrial Emissions DirectiveCarbon border adjustmentCBAMIndoor air quality monitorinEPBD recastToxic and combustible gas deWorkplace: exposure limits (2017/164, 20Digester control and grid-inBiomethane: REPowerEU target & EN 16723
Sources
  1. Directive (EU) 2024/1275, OJ L, 8.5.2024 — Art. 7, 13(5), 35; text saved 2026-09-17 from EUR-Lex
// Read from the Official Journal texts on 2026-09-17. Regulations change — verify the current consolidated text before acting.
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