Short answer

Designers should adopt a comprehensive strategy for indoor environmental quality, ensuring that thermal, visual, acoustic, and air quality elements are addressed holistically from the outset to maximize occupant well-being and comfort.

Field: Human Factors
Source: International Journal of Sustainable Built Environment (2016)
Method: Literature Review
Evidence: Strong effect

A holistic approach to indoor environmental quality, encompassing thermal, visual, and acoustic comfort, alongside air quality, is crucial for fostering occupant well-being and comfort. This human factors research insight is drawn from a 2016 study published in International Journal of Sustainable Built Environment. Using Literature review, researchers explored how this design variable affects real-world outcomes. The key design takeaway: Designers should adopt a comprehensive strategy for indoor environmental quality, ensuring that thermal, visual, acoustic, and air quality elements are addressed holistically from the outset to maximize occupant well-being and comfort.

Study

Human FactorsHigh ImpactStrong effect

Optimizing Indoor Environmental Quality Significantly Enhances Occupant Well-being and Comfort

A holistic approach to indoor environmental quality, encompassing thermal, visual, and acoustic comfort, alongside air quality, is crucial for fostering occupant well-being and comfort.

International Journal of Sustainable Built Environment · 2016

Key Findings

01Indoor environmental quality is a multi-faceted concept involving thermal, visual, acoustic, and air quality aspects.
02Each IEQ component has a significant, often interconnected, impact on occupant well-being and comfort.
03Poor IEQ is linked to negative health outcomes such as sick building syndrome.
04Proactive design integration of IEQ considerations is essential for optimal occupant experience.

Application

Design takeaway

How to apply

When designing any interior space, conduct a thorough assessment of potential thermal, visual, acoustic, and air quality issues and implement design solutions that mitigate negative impacts and enhance positive ones.

Project actions

01When researching a design problem, look for studies that examine the user's experience and well-being.
02Consider how different environmental factors in your design might affect the user simultaneously.

Method & Evidence

AimWhat are the key components of indoor environmental quality (IEQ) and how do they collectively impact occupant well-being and comfort?

MethodLiterature Review

ProcedureThe researchers conducted an extensive review of existing literature to identify and synthesize findings on the relationship between various aspects of indoor environmental quality (thermal comfort, indoor air quality, visual comfort, acoustic comfort) and occupant well-being and comfort, including the phenomenon of sick building syndrome.

ContextBuilt environments (e.g., offices, homes, public spaces)

Variables

IV["Thermal comfort parameters (temperature, humidity)","Indoor air quality (e.g., CO2 levels, pollutants)","Visual comfort (e.g., lighting levels, glare)","Acoustic comfort (e.g., noise levels, reverberation)"]

DV["Occupant well-being","Occupant comfort","Perceived health status","Productivity"]

CV["Building type","Occupant demographics","Occupancy patterns","Building age and construction materials"]

Strengths & Limitations

Strengths

+Comprehensive review of a broad range of IEQ factors.
+Highlights the interconnectedness of IEQ components.
+Provides a foundational understanding for further research and design practice.

Limitations

The findings are general and may not apply to all specific contexts or user groups. The review does not present new experimental data.

Reliability & validity

The reliability of this review depends on the quality and consistency of the studies included. Validity is strengthened by the broad scope of IEQ factors considered, but the complex interplay of these factors and individual differences can limit generalizability.

Think critically

How might the interconnectedness of IEQ factors (e.g., temperature affecting perceived air quality) complicate the design process, and what strategies can designers employ to manage these complexities?

Design Principles

"Prioritize occupant well-being by holistically designing for optimal indoor environmental quality."

Designers and engineers must integrate considerations for occupant well-being from the initial stages of a project. Neglecting these factors can lead to reduced productivity, increased health issues like sick building syndrome, and overall dissatisfaction, impacting the long-term success and usability of a built environment.

What This Means for Your Design

Making sure the inside of a building has good air, comfortable temperatures, nice lighting, and is quiet makes people feel happier and healthier.

How to use in your project

1.Cite this research when discussing the importance of user comfort and well-being in your design project's introduction or justification.
2.Use the findings to support your design choices related to environmental factors.

Add to My Project

Quick Cite

Paragraph starter

The impact of indoor environmental quality (IEQ) on occupant well-being and comfort is a critical consideration in design. Research indicates that factors such as thermal comfort, indoor air quality, visual comfort, and acoustic comfort, when not adequately addressed, can lead to negative outcomes including reduced productivity and health issues like sick building syndrome. Therefore, a holistic approach to IEQ, integrated from the initial design stages, is essential for creating environments that support optimal occupant health and satisfaction.

Source

International Journal of Sustainable Built Environment

Impact of indoor environmental quality on occupant well-being and comfort: A review of the literature

journal · 2016

View source

Questions About This Research

What does the research say about optimizing indoor environmental quality significantly enhances occupant well-being and comfort?: Designers should adopt a comprehensive strategy for indoor environmental quality, ensuring that thermal, visual, acoustic, and air quality elements are addressed holistically from the outset to maximize occupant well-being and comfort. Evidence: International Journal of Sustainable Built Environment (2016).
Why does "Optimizing Indoor Environmental Quality Significantly Enhances Occupant Well-being and Comfort" matter for design?: Designers and engineers must integrate considerations for occupant well-being from the initial stages of a project. Neglecting these factors can lead to reduced productivity, increased health issues like sick building syndrome, and overall dissatisfaction, impacting the long-term success and usability of a built environment.
How can designers apply this research?: Designers should adopt a comprehensive strategy for indoor environmental quality, ensuring that thermal, visual, acoustic, and air quality elements are addressed holistically from the outset to maximize occupant well-being and comfort.
What were the main findings?: Indoor environmental quality is a multi-faceted concept involving thermal, visual, acoustic, and air quality aspects.. Each IEQ component has a significant, often interconnected, impact on occupant well-being and comfort.. Poor IEQ is linked to negative health outcomes such as sick building syndrome.. Proactive design integration of IEQ considerations is essential for optimal occupant experience.
What research method was used?: Literature Review.
How strong is the evidence?: Evidence strength is rated Strong effect, based on a 2016 journal from International Journal of Sustainable Built Environment.
What should I do differently in my next project?: When designing any interior space, conduct a thorough assessment of potential thermal, visual, acoustic, and air quality issues and implement design solutions that mitigate negative impacts and enhance positive ones.
What are the limitations?: The review is based on existing literature, which may have varying methodologies and scopes. Specific IEQ impacts can be highly context-dependent.