Renovating a part of your house, purchasing new furniture, or even just using air fresheners — all of these can make your home feel almost brand new. But if you’re not careful, it could also be affecting your indoor air quality. That’s because many of these common items and activities act as VOC sources in home environments. 

But what are VOCs? What materials release them? And why should you care about that? If these are the questions you have, you’ll find the answers in this article. 

What are VOCs?

VOCs, or volatile organic compounds, are chemicals that evaporate at room temperature and enter the air around you. They come from a surprisingly wide range of everyday products, many of which may be sitting in your home right now. 

The bad news is that you can’t always smell them or see them. 

Some VOCs have a strong odor, but others are completely undetectable without testing. Either way, they are emitted by VOC sources in home environments and can build up indoors over time, especially in spaces that don’t get much fresh air. 

According to the EPA, VOC levels indoors may be ten times higher than outdoor VOC levels. 

This is because there are many VOC sources in homes, ranging from off-gassing furniture to paint fumes that linger in your indoor air long after the work is done. 

Common Examples of VOCs

Thousands of VOCs exist, as per an article on Medical News Today. Some of them are even classified as VVOCs (very volatile organic compounds). 

As a homeowner, it’s not practical or possible for you to know what all of them are. However, it helps to be aware of the common types of VOCs and where they’re usually found. That way, you can take the steps needed to reduce your indoor chemical exposure. 

Check out the common VOC sources in homes today.

VVOCs evaporate even more quickly than VOCs. But both types of compounds linger in the air and increase your indoor chemical exposure.

The only way to truly know if your indoor air has high levels of VOCs is home air quality testing. Want to know if VOCs are compromising your IAQ? Get in touch with InHaus Lab today. 

Tell us your concerns, and we’ll send you a quote in just 30 minutes. We’ll also then help you understand what invisible air contaminants are affecting your indoor air quality and your family’s health. 

Household Items That Release VOCs Over Time

A wide range of items can off-gas VOCs over time inside your home. This Reddit post contains a handy checklist of the various items you need to have on your radar. If that seems extensive, it’s possible that could only be the tip of the proverbial iceberg. 

As one study by UC Berkeley found, consumer products release more than 5,000 toxic chemicals indoors. 

So, as a general guide to understanding the many VOC sources in homes, check out the most common culprits:

1. Building Materials

When you’re building or renovating a home, you’ll use various materials like paints, varnishes, insulation, and sealants. These materials can all release chemicals into the air long after the work is done. Sometimes, the off-gassing can continue for months or even years. And you may never even suspect that they’re the VOC sources in your home. 

The most common building materials known to release VOCs over time include:

• Paints and Primers

These are among the most common VOC sources in home environments. Paint fumes in indoor air can linger for days, especially in rooms that don’t have much ventilation. 

• Varnishes and Wood Stains

Used on floors, furniture, and cabinetry, varnishes and stains contain strong solvents, which release VOCs long after they’ve dried out. The smell may fade, but the off-gassing can continue. 

• Adhesives and Sealants

From flooring adhesives to wall-mounting glues, these products release VOCs as they cure. In poorly ventilated spaces, they can significantly raise your indoor chemical exposure levels. 

• Flooring Materials

VOCs from flooring materials are also a serious concern, particularly if you use vinyl, laminate, or carpeted flooring. These materials can release compounds like formaldehyde and phthalates into your rooms. 

• Pressed Wood and Plywood

Used in subfloors, kitchen cabinets, and furniture frames, pressed wood products are bonded using formaldehyde-based resins. These resins are the culprits that release VOCs.

• Insulation Materials

Some foam insulation products also release VOCs during and after installation. Spray foam, in particular, can off-gas for an extended period if it’s not properly applied.

• Drywall Compounds and Joint Fillers

These products contain solvents and preservatives that release VOCs as they dry. That’s why freshly plastered or patched walls can affect your indoor air quality for days.

2. Personal Care Products and Cleaning Items

Your floor cleaner, perfumes, and even air fresheners belong on this list. You use these products every day without giving them a second thought. But many of these items contain chemicals that evaporate into the air the moment you use them. Some continue releasing VOCs long after you’ve put them back on the shelf or under the sink. 

The usual VOC sources in home environments include:

• Cleaning Sprays and Disinfectants

These products are used daily in most homes. They contain strong solvents that release VOCs into the air the moment they’re sprayed. 

• Air Fresheners and Scented Candles

They may make your home smell great, but air fresheners and scented candles are also common sources of indoor chemical exposure. Many of these items contain synthetic fragrances that continuously release VOCs into the air. 

• Dry Cleaning Chemicals

Clothes that come back from the dry cleaner can carry residual chemicals that off-gas into your home. It’s worth airing them out before you hang them in your closet.

• Perfumes and Colognes

Most fragrances contain dozens of chemical compounds, many of which are VOCs. When you spray them indoors in unventilated spaces, the overall concentration of VOCs inside your home goes up. 

• Hair Sprays and Dry Shampoos

These aerosol products also release VOCs directly into the air you breathe. Bathrooms with poor ventilation can be especially vulnerable to these VOC sources in homes.

• Cosmetics

From foundations and creams to moisturizers and lotions, many cosmetic products contain preservatives and solvents that release VOCs steadily over time. The risk of this goes up if you store cosmetics in warm places. 

3. Other Products Used in Common Activities

There are also other VOC sources in home environments that are linked to activities like cooking and smoking. Even some hobbies use items that contribute to indoor VOC levels. 

Take a look at the products and activities in this category. 

• Smoking Tobacco

Cigarette smoke contains many different VOCs, including benzene and formaldehyde. What makes it particularly problematic is that the chemicals don’t dissipate easily. They settle into your walls, furniture, and fabrics, and then continue releasing VOCs even after the cigarette is out. 

• Arts and Crafts

Paints, glues, markers, and varnishes used in art projects contain solvents that evaporate when you use them. In enclosed spaces like a home studio or a child’s bedroom, these VOCs can build up quickly. 

• Gas and Wood Burning

Incomplete combustion in gas and wood stoves are also common VOC sources in homes. This releases toxic compounds that directly find their way into your living space.  

Know Your VOC Levels: Get Your Home Tested Today

The first step to protecting yourself and your family from high VOC levels is home air quality testing. Without concrete test results, you can only guess which products are safe and which aren’t. 

If you live in Aspen, Denver, Vail, Minneapolis, or nearby, all you need to do is give InHaus Labs a call. 

InHaus Lab carries out comprehensive, science-backed air quality testing for your home, so you can get to know the exact levels of VOCs in your indoor air. Once you know the areas in which VOCs concentrations are high, you can find the sources and swap them out for low-VOC or no-VOC alternatives. 

VOC Source in Home FAQs

1. Are VOC emissions from household materials dangerous in 2026?

VOC emissions from household materials can be dangerous, especially if your home isn’t well ventilated. At high levels, they might cause headaches, dizziness, or breathing discomfort fairly quickly.

2. How long does off-gassing furniture continue to release VOCs?

Your new sofa or bookcase usually off-gasses most heavily in the first few weeks. But don’t be surprised if lower-level emissions linger for months afterward. 

3. What are the health risks of VOCs from flooring materials?

The risks range from short-term irritation like headaches and sore throats to longer-term concerns like liver or kidney stress, especially if you’re exposed to VOCs regularly. 

4. Which household materials contribute most to indoor chemical exposure?

Fresh paint, new carpet, pressed wood furniture, and adhesives contribute to indoor chemical exposure. If you’ve recently renovated your house, your indoor chemical exposure is likely higher than you’d expect. 

5. How do paint fumes affect indoor air?

Paint fumes flood your indoor air with VOCs that displace cleaner air. Poor ventilation then traps them inside, keeping concentrations dangerously high for days. 

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References:

• EPA
• Medical News Today
• Reddit 
• UC Berkeley