DIY Air Purifiers

A DIY air purifier can be built at home using a box fan and a HEPA filter, offering a budget alternative to commercial units. Commercial air purifiers range from Rs. 11,995 to Rs. 22,995.

• DIY materials needed: box fan, HEPA filter, duct tape, cardboard or foam board
• Commercial upgrade option: HEPA-filtered air purifiers covering 300 to 600 sq. ft.
• Price range: Rs. 11,995 to Rs. 22,995 for commercial models

Convert the cost of your new air purifier into Easy EMIs using Bajaj Finance's financing options at over 1.5 lakh partner stores such as Reliance Digital, Croma, and Vijay Sales, or find partner stores near you. Check your loan eligibility before getting started, if you decide to upgrade beyond a DIY setup.

DIY air purifiers offer an affordable and effective way to improve indoor air quality without investing in expensive devices. These purifiers can be built using simple materials like a fan and HEPA filter, which together remove dust, pollen, and other pollutants from the air.

While not as advanced as commercial units, DIY air purifiers are a practical solution for those on a budget.

Check out the wide selection of air purifiers on Bajaj Mall. You can also visit any of Bajaj Finance's 1.5 lakh partner stores across 4,000 cities in India to discover a wide selection of products. Choose the model that best fits your needs and take advantage of zero down payment offers.

A DIY air purifier brings a few practical benefits that make it worth considering, especially for smaller spaces. Here is what stands out.

• Cost-effective: Built with inexpensive, readily available materials, making it a budget-friendly option.
• Customisable: You can choose materials and adjust the size to fit your space.
• Efficient for small spaces: Effectively cleans the air in smaller rooms, such as bedrooms or offices.
• Eco-friendly: Reusing materials like an old fan reduces waste and promotes sustainability.
• Easy to assemble: No advanced technical skills are required to build and maintain it.

Building a DIY air purifier only needs a handful of simple, easy-to-find materials. Here is what you will need.

• Box fan: The main component to create airflow and circulate the air.
• HEPA filter: A high-efficiency particulate air filter to capture dust, pollen, and other pollutants.
• Duct tape: Used to securely attach the HEPA filter to the fan.
• Cardboard or foam board: For reinforcing and sealing any gaps around the filter.
• Scissors or utility knife: To cut the materials to the appropriate size.
• Measuring tape: To ensure all components fit properly.

While DIY purifiers work well for small spaces, a commercial air purifier may offer more comprehensive features.

Building your own air purifier only takes a few straightforward steps. Follow this guide to put it together.

1. Choose a suitable fan: Select a box fan that can circulate sufficient air for your room size.
2. Attach the HEPA filter: Secure the HEPA filter to the back of the fan using duct tape, ensuring there are no gaps for air to escape.
3. Seal the edges: Use cardboard or foam board to close any remaining gaps around the fan and filter.
4. Test the setup: Turn on the fan to ensure air is being pulled through the HEPA filter effectively.
5. Adjust as needed: If the fan is too noisy or the filter is not secure, make adjustments for better performance.

Once built, a few simple habits help your DIY air purifier work as effectively as possible. Here is what to keep in mind.

• Place in a central location: Position the purifier where air circulation is optimal in the room.
• Regularly check the filter: Clean or replace it once it collects dust and pollutants over time.
• Run it continuously: Keep the purifier running consistently, especially in high-traffic areas or homes with pets.
• Monitor air quality: If you notice reduced air quality, consider upgrading to the best air purifier with more advanced sensors and filtration.

A DIY air purifier is a useful budget option, but it does come with real trade-offs compared with a commercial unit. Here is what to keep in mind.

• Limited coverage: May only be effective for small spaces, unlike commercial models built for larger areas.
• No advanced features: Lacks air quality sensors, smart controls, and multiple filtration stages found in portable purifiers.
• Lower filtration efficiency: May not filter out as many pollutants as commercial HEPA filters, particularly fine particulate matter like PM2.5.
• Noise levels: The fan used may be louder than a commercial air purifier, which could be disruptive in quiet environments.
• Aesthetics: May not blend into home decor as seamlessly as a professionally designed portable air purifier.

While a DIY setup saves money upfront, a commercial HEPA purifier generally filters finer particles more reliably and runs quieter, which matters if air quality or noise is a serious concern in your home.

If you decide a DIY setup does not meet your needs, here are popular commercial air purifiers available in India. Compare these before deciding which model suits your space.

Disclaimer: Product features, availability, and prices may differ based on location and time. For the latest and most accurate details, visit the official brand website or a partner store.

Thinking of buying a commercial air purifier?

Before you do that, explore the latest offers from Bajaj Finance. You may find a great deal on a model that matches your needs.

Bajaj Finance offers two ways to convert your air purifier purchase into affordable monthly payments. Both options are available at over 1.5 lakh partner stores across 4,000 cities in India.

How to choose?

Both options require you to be physically present at a partner store. The Insta EMI Card suits shoppers who want to buy across multiple categories over time. The Easy EMI Loan suits buyers financing a higher-value air purifier purchase in a single transaction.

Upgrading from a DIY setup to a commercial air purifier is simple and affordable with Bajaj Finance's in-store financing options. The entire process usually takes just 10 to 15 minutes. Follow these steps:

1. Browse models on Bajaj Mall: Explore the range of air purifier models available on Bajaj Mall. Compare coverage area, features, and prices before heading to the partner store.
2. Find a partner store near you: Use the Bajaj Finance store locator to find a nearby partner outlet such as Croma, Vijay Sales, or other authorised retailers.
3. Check the air purifier in person: Visit the partner store and explore available models. Check coverage area, filter type, and noise level to find the one that suits your needs.
4. Choose a suitable EMI option: At checkout, ask the store executive about the Bajaj Finance Insta EMI Card or Easy EMI Loan. Confirm available tenure options and whether your chosen model comes with a zero down payment offer.
5. Complete payment and take your air purifier home: Once approved, your purchase is processed immediately, and you can schedule delivery at your convenience.

You can also check your loan eligibility online in advance by entering your mobile number and OTP, helping you plan your purchase better.

Bajaj Finance’s Smart Savings Calculator helps you unlock maximum savings every time you shop at partner stores. It brings together all available brand, dealer, and scheme offers—so you can see your total savings instantly and shop smarter with Easy EMIs.

1. Dealer offers - Grab exclusive in-store deals at over 1.5 lakh partner stores across India. Enjoy local discounts and special prices you will not find online.

2. Brand offers - Access limited-time discounts from top brands across electronics, appliances, and more. Discover brand-specific savings selected just for you.

3. Bajaj offers - Unlock exclusive Bajaj Finance deals on popular products—available only to our customers. More rewards, more value.

4. Scheme offers - Take advantage of time-sensitive offers on select EMI schemes. Get extra benefits after paying just 3 EMIs—visible during EMI selection at checkout.

Calculate your extra savings today!