Say No to Harmful Off-Gassing: How to Remove Formaldehyde From Furniture

Key Takeaways:

• How to Remove Formaldehyde From Furniture Effectively?

  To remove formaldehyde from furniture, increase ventilation, use air purifiers with activated carbon filters, apply sealing products, control humidity & temperature, expose new furniture to sunlight, and choose eco-friendly furniture.

• How to Check Indoor Air Quality?

  You may use air quality monitors to detect VOC concentrations and seek professional assistance for an indoor air quality inspection.

New furniture can enhance your home with a fresh, modern look, but it also potentially introduces an invisible threat—formaldehyde. Commonly found in household products like paints, wallpapers, and varnishes, this colourless gas pollutant is released into the air through a process known as off-gassing. Prolonged exposure can trigger allergies and even cause long-term health issues. To ensure a healthy and comfortable living space, we will share tips on how to remove formaldehyde from your furniture.

How to Remove Formaldehyde From Furniture Effectively

In higher concentrations, formaldehyde (HCHO) is a known carcinogen categorised as Group 1 by the IRAC. This means that consistent exposure may lead to irritation of the eyes, nose, and throat, and even serious health conditions. Here’s how to remove formaldehyde from furniture to minimise these risks:

1. Increase Ventilation

Fresh air is one of the simplest and most effective volatile organic compounds (VOC) reduction techniques. Open windows and doors to allow cross-ventilation, helping to disperse formaldehyde fumes more quickly. If possible, place new furniture in an outdoor or semi-outdoor space for a few days before bringing it indoors.

2. Use Air Purifiers with Activated Carbon Filters

Not all air purifiers are created equal. Different models vary in their effectiveness at removing pollutants like formaldehyde, dust, pet dander, and allergens. The efficiency of an air purifier depends on several factors, including its filtration technology, airflow capacity, and the specific pollutants it targets.

To effectively capture formaldehyde and other VOCs, invest in a high-quality purifier equipped with activated carbon filters. These filters absorb harmful chemicals, significantly improving indoor air quality. However, gas-phase air purifiers or cleaners will not work for HCHO absorption.

3. Apply Sealing Products

Sealing your furniture is an effective way to reduce formaldehyde emissions and improve indoor air quality. As part of a comprehensive strategy on how to remove formaldehyde from furniture, applying VOC-sealing primers, shellac, or varnish to exposed surfaces can help lock in the harmful gas. These products act as a barrier, preventing formaldehyde from off-gassing into the air over time.

For best results, choose a low-VOC or non-toxic sealant and apply it evenly to all unfinished surfaces, including edges and undersides. This method, combined with proper ventilation, air purifiers with activated carbon filters, can lower formaldehyde levels in your home.

4. Control Humidity and Temperature

Formaldehyde off-gassing intensifies in warm and humid conditions. Rising temperatures activate its molecules, accelerating the release process. Heat also degrades the adhesives and resins that contain formaldehyde, further increasing emissions. Humidity compounds this effect by weakening chemical bonds, allowing even more formaldehyde to escape into the air. To minimise exposure, maintain a stable indoor climate by using a dehumidifier and running an air conditioner during hot weather. Keeping humidity levels low helps reduce the release of harmful chemicals, promoting healthier indoor air quality.

5. Sunlight Exposure

Another suggestion on how to remove formaldehyde from furniture is exposing new furniture to sunlight. Heat from direct sunlight speeds up the breakdown of formaldehyde, allowing it to dissipate more quickly. If possible, place the furniture in a well-ventilated area with ample sunlight for a few hours daily. This method reduces prolonged exposure by helping to release trapped formaldehyde faster. For best results, combine sunlight exposure with other techniques, such as proper ventilation, air purifiers with activated carbon filters, and using natural absorbents to further improve indoor air quality.

6. Choose Eco-Friendly or Formaldehyde-Free Furniture

One of the most effective ways to minimise formaldehyde exposure is to opt for eco-friendly furniture choices. When purchasing new pieces, look for solid wood, bamboo, or low-VOC-certified materials. These emit fewer harmful chemicals and contribute to a healthier indoor environment.

How to Check Indoor Air Quality (IAQ) for Formaldehyde

Understanding how to remove formaldehyde from furniture is key to creating a safe living space. On top of the aforementioned tips, checking indoor air quality is also vital to keep your home free from excessive formaldehyde levels. By using air quality monitors to detect VOC concentrations, you can now take necessary steps such as increasing ventilation or using air purifiers.

If you suspect high formaldehyde levels in your home, consider consulting Newway to conduct an indoor air quality inspection. Since 1987, we have Save been a trusted provider of high-quality cooling solutions for residential and commercial customers in Singapore. We also provide IAQ testing services that cover key parameters such as mould, VOCs, formaldehyde, humidity, temperature, and airflow.

Contact us now and let us help you create a healthier living space for years to come.

When Should You Be Concerned? Signs Your Furniture Is Emitting Formaldehyde

Formaldehyde emissions are not always obvious, but they often trigger noticeable physical symptoms or environmental changes at home. If you’ve recently purchased new furniture, watch out for the following warning signs:

1. Irritated Eyes

Watery, stinging, or itchy eyes are one of the earliest signs of exposure to airborne formaldehyde. This is especially common when furniture is made from pressed wood or composite materials.

2. Skin Irritation

Redness, dryness, or rashes may develop when formaldehyde levels are elevated indoors. Individuals with sensitive skin may react more intensely, particularly when spending long hours near new cabinets, wardrobes, or study tables.

3. Persistent Chemical Smell

A strong, “new furniture” smell that lingers for weeks is a key indicator of off-gassing. If the odour does not fade despite ventilation, your furniture may be releasing higher-than-normal VOC levels.

4. Baby or Elderly Discomfort

Infants, young children, and elderly family members are more sensitive to formaldehyde exposure. Increased fussiness, coughing, or discomfort in these groups may signal poor indoor air quality caused by new furniture.

Since airborne pollutants can accumulate in your AC system, a deep cleaning may help reduce VOC particles that get trapped in filters and coils. Learn more about Newway’s chemical wash services if you suspect your air conditioning system is circulating contaminated air.