Suddenly, most facility managers in Danish schools and municipal institutions are facing completely new demands regarding both comfort and health. The indoor climate is becoming a central point with a direct impact on well-being and learning, because the DGNB standard for 2025 focuses on social quality and the prevention of harmful substances, poor lighting, and high noise levels. This article provides insight into how the new indoor climate standards shape the work and points to practical opportunities for improvements.
Table of Contents
- Indoor Climate Standards 2025: Purpose and Definitions
- Important Indoor Climate Parameters and Their Significance
- New Requirements for Schools and Municipal Buildings
- Implementation and Measurement Methods in Practice
- Responsibility, Legislation, and Compliance Processes
- Typical Mistakes and How to Avoid Them
Key Points
| Point | Details |
|---|---|
| Indoor Climate Standards 2025 | These standards improve human well-being by ensuring optimal indoor climate parameters in buildings. |
| Key Parameters | Focus on air quality, temperature, light, acoustics, and chemical substances is essential for health. |
| Requirements for Schools and Institutions | New requirements must be implemented to ensure energy optimization and a healthy learning environment. |
| Compliance and Documentation | A structured approach to compliance with laws and documentation is necessary to ensure high indoor climate quality. |
Indoor Climate Standards 2025: Purpose and Definitions
The indoor climate standards for 2025 represent a decisive milestone in sustainable construction and human health. These standards have a clear and important purpose: to ensure optimal physical environmental conditions in buildings where people spend most of their time.
The main purpose of new indoor climate standards is to create healthy and comfortable indoor environments that actively protect citizens' well-being. The standards focus on several critical parameters:
- Air quality and ventilation
- Temperature regulation
- Lighting conditions
- Acoustic comfort
- Minimization of harmful substances
The technical definitions are based on the building regulations and are expanded with performance-based criteria. Indoor climate is defined as the sum of physical environmental factors that affect human well-being and health in enclosed spaces.
The standards themselves are based on thorough scientific studies and have three central dimensions:
- Health protection
- Comfort optimization
- Prevention of environment-related diseases
The social quality in buildings thus becomes a crucial parameter, where human well-being is at the center.
Pro-tip: Always involve expert professionals early in the construction process to ensure optimal implementation of indoor climate standards.
Important Indoor Climate Parameters and Their Significance
Indoor climate parameters are crucial for human health, well-being, and productivity in various institutional environments such as schools, offices, and municipal buildings. Modern indoor climate studies identify several key factors that affect our daily well-being.
The main parameters include the following critical areas:
- Air quality: CO2 level, VOC concentrations, and particulate matter
- Thermal comfort: Temperature and humidity
- Acoustic environment: Noise level and sound conditions
- Lighting conditions: Daylight intensity and lighting quality
- Chemical composition: Presence of harmful substances
Each parameter plays a significant role in the overall indoor climate. Air quality is particularly important, as poor ventilation can lead to increased absenteeism and reduced ability to concentrate. CO2 levels above 1000 ppm can already lead to significant drops in cognitive performance.

The health significance of these parameters is extensive. The Danish Health Authority's guidelines emphasize that poor indoor climate can result in:
Here is an overview of how key indoor climate parameters affect different building types:
| Building Type | Air Quality Challenges | Lighting Conditions Requirements | Acoustic Comfort Priority |
|---|---|---|---|
| Schools | Frequent CO2 accumulation | Natural daylight important | Noise from classrooms |
| Offices | VOCs from equipment and people | Artificial lighting widespread | Open-plan offices |
| Municipal Buildings | Particle pollution from outside | Varying light incidence | Noise from activities |
- Increased risk of allergic reactions
- Higher incidence of respiratory diseases
- Reduced general well-being and productivity
- Potential long-term damage from continuous exposure
Optimal indoor climate is not just about comfort, but about fundamental health protection.
Complex interrelationships between these parameters require systematic monitoring and continuous adjustment to ensure a healthy environment.
Pro-tip: Use digital sensors for continuous monitoring of indoor climate parameters, which provides precise data for ongoing improvements.
New Requirements for Schools and Municipal Buildings
New indoor climate standards for 2025 place significant demands on Danish schools and municipal buildings with a complex focus on energy optimization and air quality. These requirements represent a comprehensive approach to improving the physical environment for children and employees.
The main requirements include the following critical areas:
- Energy efficiency: Reduction of total energy consumption
- Ventilation systems: Improved air exchange
- Material usage: Use of eco-labeled building materials
- Indoor climate quality: Continuous monitoring of air parameters
- Sustainability: Compliance with EU environmental directives
The new standards set specific technical requirements for public institutions. Indoor climate quality becomes a central concept, focusing on the following parameters:
- Air quality and CO2 levels
- Acoustic conditions
- Daylight conditions
- Thermal comfort
The school environment of the future is not just about education, but about creating healthy, inspiring learning environments.
The industry guideline for indoor climate emphasizes that these requirements are not just recommendations, but mandatory guidelines that must be systematically implemented in all public buildings.
Economic and practical consequences will be significant for municipalities and educational institutions, requiring strategic planning and investments in new technological solutions.
Pro-tip: Involve technical experts early in the process to ensure a cost-effective and future-proof implementation of the new indoor climate requirements.
Implementation and Measurement Methods in Practice
Implementing indoor climate measurements requires a systematic and technical approach that focuses on precise data collection and analysis. Modern indoor climate measurements are not just about recording numbers, but about creating a holistic picture of the physical environment.
The main implementation methods include the following central processes:
- Parameter mapping: Identification of relevant indoor climate parameters
- Instrumentation: Selection and placement of measuring equipment
- Data collection: Continuous and systematic recording
- Data analysis: Assessment against applicable standards
- Reporting: Documentation and recommendations for improvements
Practical implementation typically follows these steps:
- Development of a detailed measurement program
- Selection of standardized measuring instruments
- Strategic placement of sensors
- Continuous data monitoring
- Analysis and interpretation of results
Successful indoor climate measurement is about precision, continuity, and professional interpretation.
University courses in indoor climate measurement emphasize the importance of accounting for measurement uncertainty and documenting the reliability of the results. Measurement uncertainty is a critical concept that can affect the overall assessment of the indoor climate.
Technical experts recommend an integrated approach where digital sensors are combined with systematic data analysis to achieve the most reliable results.

Pro-tip: Install sensors with varied placement to ensure a representative picture of the entire building's indoor climate.
Here is a comparison of indoor climate measurement methods and their strengths:
| Measurement Method | Precision | Suitable for continuous monitoring | Assessment of complex environment |
|---|---|---|---|
| Digital sensors | Very precise | Yes, real-time data can be collected | Strong in dynamic conditions |
| Manual measurements | Depends on the technician | Limited, spot measurement | Weak in variable conditions |
| Time-based analysis | Precise over time | Yes, with long-term monitoring | Good for identifying trends |
Responsibility, Legislation, and Compliance Processes
The Danish Building Regulations BR18 form the legal basis for indoor climate requirements in Danish institutions. This set of rules defines the legal framework and places clear responsibility on builders and planning stakeholders.
The main areas of responsibility include:
- Planning: Compliance with technical standards
- Documentation: Systematic recording of compliance requirements
- Control: Ongoing verification of indoor climate conditions
- Implementation: Practical execution of legal requirements
- Reporting: Transparent communication about indoor climate status
The compliance process involves several critical steps:
- Mapping of applicable legal requirements
- Development of a detailed implementation plan
- Execution of necessary technical adjustments
- Internal and external documentation
- Continuous monitoring and updating
Compliance is not just about regulatory adherence, but about creating healthy and safe environments.
Danish Indoor Climate Labelling plays a central role in harmonizing national and international standards. The certification process thus becomes a crucial tool for ensuring and documenting indoor climate quality.
Technical experts emphasize the importance of a proactive approach, where legislation is seen as an opportunity for continuous improvement rather than an administrative burden.
Pro-tip: Create a systematic annual cycle for regulatory compliance to ensure continuous updating and implementation of new requirements.
Typical Mistakes and How to Avoid Them
Indoor climate projects involve several potential pitfalls that can compromise the air quality of buildings and the general well-being of occupants. Understanding and preventing these mistakes are crucial for ensuring a healthy indoor climate.
Typical critical errors include:
- Ventilation problems: Insufficient air exchange
- Acoustic deficiencies: Poor acoustic comfort
- Lighting conditions: Insufficient daylight
- Material challenges: Inappropriate material selection
- Documentation failures: Incomplete recording of indoor climate parameters
The most common mistakes can be prevented through the following strategies:
- Early involvement of technical experts
- Systematic planning of indoor climate considerations
- Continuous monitoring procedures
- Thorough documentation
- Selection of certified materials
Prevention is about proactive action, not just reactive management.
Indoor climate documentation shows that material emissions can pose a significant health risk if not systematically controlled. The accumulation of harmful substances can lead to serious health consequences.
Technical experts recommend a holistic approach, where prevention is integrated into the entire building design rather than being treated as an isolated problem.
Pro-tip: Conduct regular indoor climate inspections and use certified experts to assess potential risk factors.
Ensure the Future Indoor Climate with Effective Measurement Solutions
Indoor Climate Standards 2025 place significant demands on Danish institutions regarding documented air quality, temperature, light, and noise levels. Many organizations face challenges with continuous monitoring and precise data collection, which are necessary to ensure health, comfort, and compliance with legislation. These critical indoor climate parameters require innovative and user-friendly measuring instruments that make complex implementation manageable and credible.
At aabn.io, you will find advanced sensor solutions designed precisely for this challenge. With products like Skyen, your institution can easily monitor CO₂, TVOC, humidity, temperature, light, and sound in real-time. This means better decision-making for effectively optimizing the indoor climate, protecting students and employees, and simultaneously complying with indoor climate standards for 2025.
Take control of the indoor climate today and avoid the typical mistakes of insufficient measurement and documentation. Utilize our professional advice and measuring equipment to ensure a healthy and productive institution. Visit https://aabn.io/products/skyen and start creating inspiring, safe environments for everyone in your building.
Frequently Asked Questions
What is the purpose of the indoor climate standards for 2025?
The purpose of the indoor climate standards for 2025 is to ensure healthy and comfortable indoor environments that protect citizens' well-being by focusing on air quality, temperature, lighting conditions, and acoustics.
How do indoor climate standards affect schools and municipal buildings?
Indoor climate standards impose requirements on energy efficiency, ventilation systems, material usage, and continuous monitoring of the indoor climate, thereby improving the physical environment for both students and employees.
What are the most important indoor climate parameters to monitor?
The most important indoor climate parameters include air quality, thermal comfort, acoustic environment, lighting conditions, and chemical composition, all of which are important for human well-being.
How are indoor climate standards implemented in practice?
Implementation requires systematic mapping of indoor climate parameters, selection of measuring equipment, continuous data collection, and analysis of the results against applicable standards.
Recommendation
- Indoor Climate in Schools and Offices: Trends 2022–2025 in Europe – Aabn
- Indoor climate guide for municipalities: Effective air quality in buildings – ÅBN
- Report: The importance of air quality monitors for sick leave in schools and – ÅBN
- Indoor climate guide for municipalities: Effective air quality in buildings – ÅBN

