9+ Easy Ways: How to Get Smell Out of Furniture FAST


9+ Easy Ways: How to Get Smell Out of Furniture FAST

Addressing unwanted odors embedded within upholstered items or wooden furnishings is a common household concern. Effective odor removal strategies restore the freshness and overall appeal of affected pieces. For instance, lingering pet odors or the musty scent of aged materials can significantly detract from the comfort and value of furniture.

The ability to successfully eliminate smells from furniture has multiple benefits. It enhances the living environment, promotes better hygiene, and can extend the lifespan of cherished possessions. Historically, methods for dealing with furniture smells have evolved from simple airing and sunlight exposure to more sophisticated cleaning agents and techniques.

The subsequent sections will detail various methods for removing different types of odors from various furniture types. These methods encompass both readily available household solutions and specialized cleaning approaches, offering a range of options for consumers to address their specific needs.

1. Ventilation is crucial

Ventilation plays a fundamental role in odor removal from furniture. It promotes air circulation, thereby dispersing and reducing the concentration of odor-causing molecules. Without adequate ventilation, odor molecules tend to linger and become deeply embedded within furniture fibers and materials, making elimination significantly more challenging.

  • Dilution of Odor Concentration

    Ventilation introduces fresh, odor-free air into the environment, effectively diluting the concentration of airborne odor molecules. This dilution reduces the intensity of the smell, providing immediate relief. For example, opening windows and doors in a room containing a heavily scented piece of furniture helps dissipate the smell and lessen its impact. The implication is a more pleasant and less overwhelming environment.

  • Promotion of Evaporation

    Increased airflow encourages the evaporation of volatile organic compounds (VOCs) that contribute to many furniture odors, such as those from spills or cleaning products. VOCs readily evaporate into the air and are then carried away by the circulating air currents. As an example, damp furniture that has been aired out thoroughly will dry faster and be less likely to develop a musty odor. The rapid removal of moisture prevents mold and mildew growth, another significant source of unpleasant smells.

  • Facilitation of Odor Absorption Processes

    Ventilation enhances the effectiveness of other odor-removal methods, such as using baking soda or specialized odor absorbers. These substances work by capturing odor molecules from the surrounding air. Increased air circulation ensures a greater number of odor molecules come into contact with the absorbent material. A real-world example is placing bowls of baking soda around a ventilated room containing affected furniture; the baking soda more efficiently absorbs odors due to the constant air movement.

  • Prevention of Odor Saturation

    Adequate ventilation prevents the saturation of the air with odor molecules, which can lead to the reabsorption of the odor back into the furniture. When the air becomes saturated, the odor molecules have nowhere else to go and may be forced back into the furniture’s fibers. Constant ventilation prevents this saturation, ensuring that removed odors do not return. For instance, a closed room with a heavily soiled pet bed will quickly become saturated with odor, while a well-ventilated room will allow the odor to dissipate, minimizing reabsorption.

The contribution of ventilation to odor elimination within furniture cannot be overstated. Facilitating dilution, evaporation, absorption processes, and preventing saturation illustrates ventilation’s central role. In combination with targeted cleaning and deodorizing, prioritizing airflow is integral to successfully addressing how to get smell out of furniture and maintaining a clean, odor-free living space.

2. Baking soda absorption

Baking soda (sodium bicarbonate) serves as an accessible and effective deodorizing agent when addressing unwanted smells in furniture. Its ability to neutralize both acidic and alkaline odors makes it a versatile solution for a range of household scent problems. Applying baking soda to furniture leverages its absorptive properties to capture and eliminate odor molecules.

  • Neutralization of Odor-Causing Compounds

    Baking soda interacts with odor molecules through chemical reactions, effectively neutralizing them. For acidic odors, such as those caused by vomit or spoiled milk, baking soda acts as a mild base to counteract the acidity. Conversely, it neutralizes alkaline odors through an acidic reaction. This dual-action capability enables baking soda to address a broad spectrum of smells. An example is the application to furniture soiled by pet urine; the baking soda neutralizes the ammonia compounds responsible for the odor.

  • Physical Adsorption of Odor Molecules

    Beyond chemical neutralization, baking soda possesses physical adsorption properties. Its porous structure increases the surface area available for capturing odor molecules. These molecules become trapped within the baking soda particles, effectively removing them from the surrounding air and the furniture itself. Consider sprinkling baking soda on fabric furniture affected by smoke; the baking soda adsorbs the smoke particles, diminishing the smoky smell over time.

  • Application Techniques for Furniture

    The method of application significantly impacts the effectiveness of baking soda in eliminating odors from furniture. For fabric-covered items, a generous layer of baking soda should be sprinkled over the affected area and allowed to sit for several hours, or even overnight. The duration allows sufficient time for the baking soda to absorb and neutralize the odors. Afterwards, the baking soda is thoroughly vacuumed away. For wooden furniture, a paste of baking soda and water can be applied to the surface, left to dry, and then gently wiped off. This approach prevents damage to the wood while still allowing odor absorption. A real-world application would be sprinkling baking soda on a musty old couch, letting it sit overnight, and then vacuuming.

  • Limitations and Considerations

    While baking soda is effective for many types of odors, it has limitations. For deeply embedded or severe odors, or for odors caused by mold or mildew, baking soda alone may not provide a complete solution. In such cases, it may need to be combined with other cleaning and deodorizing methods, or professional cleaning services may be necessary. Furthermore, when using baking soda on delicate fabrics, it is crucial to test a small, inconspicuous area first to ensure it does not cause discoloration or damage. For example, heavily soiled antique furniture might require professional treatment beyond a simple baking soda application.

The application of baking soda leverages its neutralization and absorption capabilities to mitigate smells from furniture. While simple to use and widely accessible, understanding its limitations and appropriate application techniques is essential for successful odor removal. In some situations, it may be necessary to employ a combination of strategies, including baking soda, to effectively get smell out of furniture.

3. Upholstery steam cleaning

Upholstery steam cleaning directly correlates with the successful removal of odors from furniture. The elevated temperature of the steam, typically exceeding 200F (93C), effectively eliminates odor-causing bacteria and breaks down organic matter embedded within fabric fibers. This process tackles the root cause of many furniture smells, rather than merely masking them. For example, a steam cleaner applied to a sofa contaminated with pet dander can significantly reduce or eliminate the associated odor, provided the treatment is thorough and the source material is heat-tolerant.

The process involves injecting hot steam into the upholstery fabric, which loosens dirt, grime, and odor molecules. Simultaneously, the steam cleaner extracts the moisture, along with the dissolved contaminants. This extraction is crucial; without it, the moisture could promote mold growth, exacerbating the odor problem. Furthermore, certain steam cleaners incorporate cleaning solutions specifically designed to neutralize odors, enhancing the treatment’s effectiveness. A practical application involves addressing a stale cigarette smoke odor in a chair; steam cleaning combined with a deodorizing solution can penetrate the fabric, lifting the residue and the associated smell.

Effective upholstery steam cleaning, however, demands careful consideration of fabric type and potential dye sensitivity. Certain materials are prone to shrinkage or discoloration when exposed to high temperatures. A preliminary spot test in an inconspicuous area is imperative to ascertain the material’s compatibility with steam cleaning. Ultimately, upholstery steam cleaning offers a powerful method to combat deeply ingrained odors within furniture, offering a significant advantage in restoring freshness, provided it is performed with appropriate precautions and equipment. This technique serves as a cornerstone in comprehensive strategies addressing how to get smell out of furniture.

4. Fabric-specific solutions

The effective elimination of odors from furniture hinges significantly on the selection and application of fabric-specific solutions. Different fabrics react differently to cleaning agents; therefore, a generalized approach may prove ineffective or even detrimental, potentially causing discoloration, shrinkage, or fiber damage. Tailoring odor removal methods to the specific fabric type is, therefore, imperative for successful treatment.

  • Natural Fiber Considerations

    Fabrics composed of natural fibers, such as cotton, linen, and wool, necessitate specialized care. Cotton and linen, while relatively durable, may be prone to shrinkage or fading if subjected to harsh chemicals or excessive heat. Wool, being more delicate, requires gentle cleaning agents and lower temperatures to prevent damage to its fibers. When addressing odors in these fabrics, solutions specifically formulated for natural fibers are crucial. An example is using a pH-neutral cleaner on a wool-covered chair to remove pet odors without compromising the fabric’s integrity. Ignoring these considerations can lead to irreversible damage and necessitate costly repairs or replacements.

  • Synthetic Fiber Considerations

    Synthetic fabrics, including polyester, nylon, and acrylic, generally exhibit greater resistance to staining and fading compared to natural fibers. However, they may react adversely to certain solvents or high-temperature treatments. When dealing with odors in synthetic fabrics, it is crucial to select cleaning agents that are specifically designed for synthetics and to avoid harsh chemicals that could degrade the fibers. For example, using a solvent-based cleaner on a polyester sofa might effectively remove oil-based stains that contribute to odors, but could also damage the fabric’s backing or cause discoloration. Therefore, careful product selection and testing in an inconspicuous area are essential.

  • Specialty Fabric Solutions

    Certain furniture items are upholstered with specialty fabrics, such as velvet, silk, or leather, which demand even greater care and specialized cleaning agents. Velvet, for instance, requires gentle brushing and vacuuming to maintain its pile and prevent crushing. Silk, being highly delicate, may only tolerate dry cleaning or very mild water-based cleaners. Leather requires specialized leather cleaners and conditioners to remove odors without drying out or cracking the material. An example involves addressing a mildew odor in a leather chair; a leather-specific cleaner followed by a conditioner can effectively remove the odor while preserving the leather’s natural oils and suppleness. Neglecting these specific requirements can result in irreparable damage and detract from the furniture’s aesthetic appeal.

  • Testing and Application Protocols

    Regardless of the fabric type, a consistent protocol for testing and application is vital to minimize the risk of damage. Before applying any cleaning solution, a small, inconspicuous area of the fabric should be tested to ensure colorfastness and compatibility. The solution should then be applied sparingly and evenly, following the manufacturer’s instructions carefully. After cleaning, the fabric should be allowed to air dry completely to prevent the growth of mold or mildew. An illustration involves using a fabric-specific odor eliminator on the underside of a sofa cushion before treating the entire cushion; this allows for observation of any adverse reactions before widespread application. This meticulous approach mitigates potential damage and increases the likelihood of successful odor removal.

The successful elimination of smells is fundamentally linked to the implementation of fabric-specific solutions. Consideration of fiber composition, careful product selection, adherence to testing protocols, and appropriate application techniques are crucial for preserving the integrity and appearance of furniture while effectively addressing unwanted odors. Failure to prioritize these aspects may lead to costly damage and necessitate professional intervention.

5. Enzyme-based cleaners

Enzyme-based cleaners play a critical role in eliminating organic odors from furniture. These cleaners contain enzymes that catalyze the breakdown of odor-causing substances, such as urine, feces, vomit, and other organic materials. The enzymes function by accelerating the decomposition of complex molecules into simpler, odorless compounds. This mechanism directly addresses the root cause of the smell rather than merely masking it with fragrances. For instance, if a pet urinates on upholstered furniture, the enzymes in the cleaner will break down the uric acid crystals responsible for the lingering odor. Without this enzymatic action, the smell often persists, requiring repeated treatments or resulting in a permanent stain and odor.

The effectiveness of enzyme-based cleaners is directly tied to the specificity of the enzymes they contain. Different enzymes target different types of organic compounds. Proteases break down proteins, lipases break down fats, and amylases break down starches. A comprehensive enzyme-based cleaner contains a blend of these enzymes to address a wide range of potential odor sources. The practical application involves selecting a cleaner appropriate for the suspected source of the odor. If dealing with dairy-related spills, a cleaner with a high concentration of lipases is essential. Similarly, cleaners designed for pet odors typically feature a combination of proteases and enzymes targeting uric acid crystals. Understanding the composition of the cleaner and the specific organic substances involved is crucial for maximizing its efficacy. Proper application, ensuring saturation of the affected area to allow the enzymes to penetrate and act, is also vital for success.

In summary, enzyme-based cleaners are essential for comprehensively addressing organic odors within furniture. Their enzymatic action breaks down odor-causing molecules at their source, providing a more effective and lasting solution compared to conventional cleaning methods. While the selection of the appropriate enzyme blend and proper application techniques are crucial for optimal results, these cleaners represent a significant advancement in effectively eliminating stubborn smells from furniture. The challenges involve accurately identifying the odor source and ensuring the cleaner’s compatibility with the furniture material to prevent damage. However, when used correctly, enzyme-based cleaners are an indispensable component of strategies designed to effectively address how to get smell out of furniture.

6. Professional treatments

Professional treatments represent a specialized approach to addressing persistent or severe odors in furniture, often proving necessary when DIY methods are insufficient. The expertise and equipment employed by professionals can effectively target deeply embedded odor molecules and sanitize affected areas. Factors necessitating professional intervention include extensive water damage, significant mold or mildew growth, pervasive smoke contamination, or deeply ingrained pet odors. The success of this method is directly correlated with the technicians’ ability to identify the odor’s source and employ appropriate, industrial-strength cleaning agents and techniques. For instance, a furniture piece subjected to flooding may require professional water extraction, antimicrobial treatment, and specialized drying to prevent lasting odor and structural damage. Without such interventions, the smell could persist, leading to further deterioration and rendering the furniture unusable.

Professional odor removal services typically begin with a thorough assessment of the furniture piece and the surrounding environment. This evaluation helps determine the extent of the contamination, the type of odor present, and the most effective treatment strategy. Professionals possess specialized equipment, such as ozone generators, hydroxyl generators, and industrial-strength steam cleaners, which are not readily available to consumers. These tools allow for more effective odor neutralization and sanitization. Consider a scenario involving a property fire where smoke has permeated upholstered furniture; professionals would employ specialized smoke removal techniques and deodorizing agents designed to penetrate deep into the fabric, eliminating the smoke particles and associated odor. This comprehensive approach is far more effective than surface cleaning and offers a greater chance of complete odor removal. The benefits include increased longevity of the furniture and a healthier indoor environment.

In summary, professional treatments offer a critical solution for severe or persistent furniture odors that resist conventional cleaning methods. The specialized equipment, expertise, and targeted cleaning agents employed by professionals ensure a more thorough and effective odor removal process. While professional services may incur a higher cost, they can prevent further damage to the furniture, improve indoor air quality, and ultimately extend the lifespan of valuable possessions. The decision to engage professional services reflects a commitment to thoroughly addressing how to get smell out of furniture, safeguarding both the furniture itself and the living environment.

7. Sunlight exposure

Sunlight exposure serves as a natural and effective component in odor elimination from furniture. Ultraviolet (UV) radiation, a key element of sunlight, possesses inherent deodorizing and sanitizing properties. This process works through two primary mechanisms: the direct breakdown of odor-causing molecules and the elimination of bacteria and mold that contribute to unpleasant smells. Fabrics and materials exposed to sunlight undergo a photochemical reaction, breaking down complex organic compounds into simpler, less odorous substances. An example involves placing cushions or smaller furniture pieces outdoors on a sunny day. The UV rays penetrate the fabric, breaking down odor-causing bacteria, and volatile organic compounds (VOCs) trapped within the fibers, leading to a noticeable reduction in smell. This method is particularly effective for mitigating musty odors or those originating from trapped moisture.

The practical application of sunlight exposure extends to various types of furniture, including upholstered items, wooden pieces, and even mattresses. However, caution is warranted to prevent damage to the furniture’s materials. Prolonged exposure to intense sunlight can cause fading, discoloration, and weakening of fabrics and wood finishes. Consequently, it is advisable to limit exposure time and to avoid direct sunlight on delicate materials or those with vibrant colors. Additionally, it is beneficial to rotate the furniture periodically to ensure even exposure across all surfaces. A common example is airing out a mattress in direct sunlight for a few hours, which can significantly reduce dust mites, allergens, and associated odors. This technique has historical roots, predating modern cleaning methods, and continues to be a cost-effective and environmentally friendly approach.

In summary, sunlight exposure offers a valuable natural method for odor removal from furniture, leveraging the deodorizing and sanitizing properties of UV radiation. While effective, it necessitates careful consideration of material sensitivities to prevent damage. Proper execution, involving controlled exposure times and material assessment, can significantly contribute to the restoration of furniture freshness. However, this is one step to resolve “how to get smell out of furniture” and should be use cautiously. This method aligns with broader efforts to maintain a healthy living environment and extend the lifespan of furniture through natural cleaning practices.

8. Odor source identification

Effective odor elimination from furniture necessitates accurate odor source identification as the initial and arguably most critical step. Treatment efficacy is directly proportional to understanding the origin and nature of the offending smell. Without pinpointing the source, remedial efforts may be misdirected, resulting in incomplete odor removal or masking rather than true elimination.

  • Facilitating Targeted Cleaning

    Pinpointing the odor source allows for the application of targeted cleaning solutions and techniques. Different odor-causing substances require different approaches. For instance, pet urine necessitates enzymatic cleaners to break down uric acid crystals, while mold and mildew require antimicrobial treatments. Broad-spectrum cleaning may prove ineffective and could potentially damage the furniture. Correct identification enables the selection of the appropriate cleaning agent and method, maximizing the likelihood of successful odor removal. Example: Locating a hidden spill allows precise application of an appropriate cleaning solution, preventing unnecessary treatment of unaffected areas.

  • Preventing Recurrence

    Odor source identification is crucial for preventing the recurrence of unpleasant smells. If the underlying cause is not addressed, the odor is likely to return, even after thorough cleaning. This could involve identifying and eliminating sources of moisture that promote mold growth, addressing pest infestations that contribute to odors, or modifying habits that lead to spills and stains. Addressing the root cause ensures a long-term solution. Example: Discovering a leaky pipe behind a piece of furniture explains the persistent musty smell and necessitates repairs to prevent future mold growth.

  • Assessing Damage Extent

    Accurately identifying the odor source can aid in assessing the extent of damage and determining the appropriate course of action. A seemingly minor odor may indicate significant internal damage or contamination. Early detection allows for prompt intervention, preventing further deterioration and minimizing the cost of repairs or restoration. For example: a faint moldy smell may indicate extensive mold growth within the furniture’s frame, necessitating professional remediation to prevent structural damage and health hazards.

  • Selecting Appropriate Deodorizing Agents

    Different deodorizing agents are effective against different types of odors. Baking soda is effective for absorbing general odors, while activated charcoal is better suited for removing volatile organic compounds (VOCs). Understanding the nature of the odor allows for the selection of the most effective deodorizing agent. Example: identifying the source of a smoky smell prompts the use of activated charcoal or specialized smoke odor eliminators, which are more effective than baking soda in this scenario.

Odor source identification is fundamental to any effective odor removal strategy. Its implications extend beyond mere scent elimination, influencing the choice of cleaning methods, prevention of recurrence, assessment of damage, and selection of deodorizing agents. Without proper source identification, the efforts to “how to get smell out of furniture” may lead to failure or cause the situation to worsen.

9. Regular maintenance

Regular maintenance plays a crucial role in preventing and mitigating unwanted odors in furniture, directly influencing the ease and effectiveness of odor removal efforts. Scheduled cleaning and care minimize the accumulation of odor-causing substances, such as dust, spills, and organic debris. Consistent vacuuming of upholstered furniture, for example, removes particulate matter before it decomposes and generates unpleasant smells. Similarly, periodic cleaning of wooden furniture with appropriate products prevents the buildup of residues that can trap and amplify odors over time. Failure to engage in regular maintenance creates an environment conducive to odor development, making subsequent removal efforts more challenging and potentially requiring more aggressive and costly interventions.

The link between regular maintenance and odor prevention extends to addressing potential sources of moisture, a primary contributor to musty and moldy smells. Routine inspection of furniture for water damage, leaks, or dampness allows for prompt remediation, preventing the establishment of mold and mildew colonies. Regular airing out of cushions and furniture stored in humid environments further reduces the risk of moisture-related odor issues. Furthermore, promptly addressing spills and stains, as opposed to allowing them to linger, prevents them from penetrating deep into the furniture’s fibers, where they can decompose and generate persistent odors. An example is the immediate cleaning of spilled food on a fabric chair, significantly reducing the likelihood of a lasting odor compared to allowing it to sit and dry.

In conclusion, regular maintenance serves as a proactive strategy for minimizing the presence and intensity of odors in furniture. Implementing routine cleaning protocols, addressing potential sources of moisture, and promptly managing spills and stains significantly reduce the burden of odor removal efforts. Proactive maintenance reduces the number of times you have to resolve “how to get smell out of furniture” and ensures the furniture remains fresh and inviting for an extended period. Neglecting this aspect can lead to more significant odor problems, requiring professional intervention or potentially resulting in irreparable damage to the furniture.

Frequently Asked Questions

The following frequently asked questions provide guidance on managing and resolving odor issues in furniture. This information is intended to address common concerns and misconceptions.

Question 1: What are the most common causes of odors in furniture?

Common causes include pet accidents, food spills, mold and mildew growth due to moisture, smoke contamination, and the accumulation of dust and body oils over time. The specific cause often dictates the most effective removal method.

Question 2: How does one determine the source of an odor within a furniture piece?

A thorough inspection of the furniture is necessary. This involves smelling different areas, checking for stains, and examining hidden crevices where spills or debris may accumulate. Use a flashlight to inspect dark or hard-to-reach areas for mold or mildew.

Question 3: Are there any general precautions to take before attempting odor removal?

Always test cleaning solutions in an inconspicuous area of the furniture to ensure they do not cause discoloration or damage. Furthermore, ensure adequate ventilation in the room to facilitate the dissipation of odors during and after the cleaning process.

Question 4: How effective is baking soda for odor removal in furniture?

Baking soda is effective for absorbing many common odors. Sprinkle a generous amount over the affected area, allow it to sit for several hours or overnight, and then vacuum thoroughly. It is most effective on surface odors and less effective on deeply embedded or severe odors.

Question 5: When is professional odor removal recommended for furniture?

Professional services are recommended for severe odors, extensive water damage, significant mold or mildew growth, or when DIY methods have proven ineffective. Professionals possess specialized equipment and cleaning agents for thorough odor removal.

Question 6: How can one prevent odors from developing in furniture in the first place?

Regular cleaning, prompt removal of spills, ensuring adequate ventilation, and using furniture protectors can significantly reduce the likelihood of odor development. Additionally, avoid storing furniture in damp or humid environments.

Understanding the causes, sources, and effective removal strategies for furniture odors is essential for maintaining a clean and healthy living environment. Prevention is often the most effective approach.

The following section will summarize key strategies and actionable steps for maintaining odor-free furniture.

Key Tips

The following actionable tips provide practical guidance for preventing and addressing odors in furniture, ensuring a fresh and inviting living space.

Tip 1: Implement Regular Vacuuming Schedules: Consistent vacuuming of upholstered furniture and carpets removes dust, debris, and allergens that can contribute to odors. A weekly schedule is recommended to prevent buildup.

Tip 2: Address Spills Promptly: Immediate cleaning of spills prevents them from penetrating deep into the furniture fibers, where they can decompose and generate lasting odors. Use appropriate cleaning solutions based on the stain and fabric type.

Tip 3: Utilize Baking Soda as a Deodorizer: Baking soda effectively absorbs surface odors. Sprinkle a generous amount on affected areas, allow it to sit for several hours or overnight, and then vacuum thoroughly.

Tip 4: Ensure Adequate Ventilation: Proper ventilation in the home reduces the concentration of airborne odor molecules and facilitates the evaporation of moisture, preventing mold and mildew growth.

Tip 5: Employ Fabric-Specific Cleaners: Use cleaning products specifically formulated for the type of fabric being treated. This prevents damage and ensures effective odor removal.

Tip 6: Inspect and Address Moisture Sources: Regularly check for leaks, dampness, or other sources of moisture that can promote mold and mildew growth. Address these issues promptly to prevent odor problems.

Tip 7: Consider Professional Cleaning for Stubborn Odors: For severe or persistent odors, professional cleaning services offer specialized equipment and expertise for thorough odor removal and sanitization.

Following these tips provides strategies for odor prevention and mitigation, and contributes to the maintenance of long-lasting furniture. Implementation of these practices will assist in efforts of how to get smell out of furniture.

In conclusion, combining proactive preventative measures with targeted removal strategies leads to the most effective and sustainable solution for maintaining odor-free furniture.

Conclusion

The preceding exploration of “how to get smell out of furniture” has detailed methodologies ranging from basic household remedies to specialized professional interventions. These approaches emphasize source identification, appropriate cleaning agent selection, and the importance of preventative maintenance. Successful odor elimination often necessitates a combination of techniques tailored to the specific odor, furniture material, and extent of the contamination.

Effective management of furniture odors is paramount for maintaining a healthy and pleasant living environment. Consistent application of preventative measures and prompt addressing of odor sources are crucial for preserving the longevity and value of furniture. Neglecting this aspect can result in escalated problems, potentially requiring costly remediation or replacement. Therefore, responsible furniture care is an investment in the overall well-being and aesthetic quality of the inhabited space.