What to do if you don't have an air purifier?

Author: Lennie Crooks  |  Last update: Friday, July 3, 2026

One easy and affordable way to make your own air cleaner at home is with a box fan and a furnace filter. These “filter fans” can filter out the small particles that are common in wildfire or wood smoke.

What to do when you don't have an air purifier?

air purifier. If you don't have air-conditioning, portable fans and ceiling fans can help. Keep fans close to where you are inside — and if you happen to have multiple fans, turn on all of them. “Anything that can help circulate the air is better than nothing,” Dr.

How can I purify my house without an air purifier?

Place small bowls of activated charcoal (found in most home goods stores) around your home to naturally absorb toxins and odors. Diffusing essential oils like eucalyptus, tea tree, and lemon can help combat airborne bacteria and create a fresher, cleaner environment.

What can I use as an air purifier?

DIY air cleaners are a more affordable and accessible alternative to commercial versions and can be constructed using a box fan and a high-efficiency home air filter (see Figure 1 below). Securing the filter to the fan creates an effective, simple air cleaning system.

Can I make a homemade air purifier?

DIY air cleaners are made by attaching an air filter to a box fan with tape, brackets/clamps, or a bungee cord. With their use, concerns have been raised about the potential for the box fans to overheat when operated with a filter attached, which could pose a fire or burn risk.

Why You Need To Stop Using These Filters To Purify Your Air! What To Use Instead

Is there a natural way to purify air?

Indoor Plants

Thanks to a NASA experiment in 1989, indoor plants are natural air purifiers and can cleanse any harmful toxins in the air of your home. Plants use sunlight and the carbon dioxide we breathe out to photosynthesise, making food for themselves and releasing fresh oxygen for us to breathe.

Can I use my AC as air purifier?

Air conditioners purify air or air conditioners filter pollution. False. Air conditioners cannot and do not purify air. The air filter located near the return air duct or air handler does filter dust, pollen and other allergens.

Can I use my vacuum as an air purifier?

But even those big-ticket cleaners can't eliminate your exposure to air pollution because the act of vacuuming itself kicks up significant debris, according to Jeffrey Siegel, PhD, a professor at the University of Toronto specializing in building engineering and indoor air quality.

What is the best cheap air purifier?

The most budget-friendly small air purifier on our list is the Levoit Airnow Desktop Air Purifier, which retails for around $60.

How to turn a fan into an air purifier?

No problem. You can still make an effective filter by holding the filter to the back of the running fan and letting suction hold the filter in place. Once the fan is turned off the filter will detach. Alternately, you can use duct tape or bungee cords to hold the filter to the fan.

How can I get rid of dust in my room without an air purifier?

How to Get Rid of Dust Without Actually Dusting
  1. Leave shoes at the door. ...
  2. Groom pets outside. ...
  3. Swap carpet for hardwood floors. ...
  4. Declutter your spaces. ...
  5. Use a humidifier. ...
  6. Keep windows closed. ...
  7. Change your HVAC filter. ...
  8. Sources.

What are 3 ways you can make your indoor air clean?

There are three basic strategies to improve indoor air quality:
  • Source Control.
  • Improved Ventilation.
  • Air cleaners/Filtration.

Does activated charcoal really clean the air?

Are activated carbon filters in air purifiers effective for removing VOCs? Yes, using activated carbon in air purifiers is highly effective for removing volatile organic compounds (VOCs) from the air.

How do you purify air without an air purifier?

Below is an overview of why our indoor air is so polluted and some solutions for purifying it.
  1. Sources of Indoor Air Pollution.
  2. Open Your Windows.
  3. Spruce Up Your Decor With Houseplants.
  4. Opt for Essential Oil Diffusers.
  5. Opt for Beeswax Candles.
  6. Take Your Shoes Off.
  7. Keep Your Pets Groomed.
  8. Run the AC.

Do fans help purify air?

Air Purification

That being said, ceiling fans do not purify the air that they circulate. They can, however, prevent mold and mildew from developing by constantly circulating air, encouraging evaporation of moisture rather than allowing the accumulation of water particles.

Are air purifiers really necessary?

You may need an air purifier if you experience frequent allergies, asthma, or respiratory issues, or if you notice dust, pet dander, smoke, or unpleasant odors in your home. It's also helpful if you live in an area with high pollution or have poor ventilation.

How can I purify air cheaply?

Air out the home after cleaning, especially after vacuuming. Also see the “Ventilation” tips further below. Open windows for 10 minutes, assuming a dry and low dust day, then run a portable high-efficiency particulate air (HEPA) filter and/or the HVAC fan afterwards.

Is there a downside to air purifiers?

What are the downsides of air purifiers? There aren't a lot of downsides to having an air purifier in your home aside from the financial investment. Many ionizers, especially older models, can generate ozone when they are operating, which is known to exacerbate asthma.

How to build an air purifier?

Step 1: Acquire a square fan (most air filters are squares or rectangles, so we're applying basic geometry). Step 2: Get yourself a HEPA filter (shoot for one similar in size to your fan). Step 3: Secure the filter to your fan via duct tape or packing tape, making sure to seal the connection as tightly as possible.

Does Rainbow vacuum really purify air?

AHAM Certification. The Rainbow® Cleaning System provides certified air cleaning to your home environment. The Association of Home Appliance Manufacturers (AHAM) certifies that the Rainbow is a proven air cleaner designed to reduce air pollutants that contribute to poor indoor air quality.

Where should you not put an air purifier?

Ensure your air purifier has enough clearance around it to function optimally. Avoid placing it behind furniture or in tight corners where airflow might be restricted. Ideally, there should be at least 3-5 feet of clear space around the unit to allow for unimpeded air intake and output.

Does vacuuming the air clean it?

Ratios of peak to background levels indicate that vacuuming can elevate the ultrafine particle number concentrations by a factor ranging from 4 to 61.

Can I make my own Hepa filter?

For the low, low price of about $40, you can make your own HEPA filter. Super simple. All you need is a 20" Box Fan, a 20" x 20" x 1" MERV 13 (or higher) HVAC Filter, and some blue painters tape!

Does an air cooler purify air?

Improved Indoor Air Quality: Desert air coolers not only cool the air but also filter and purify it. They use a series of filters and pads that trap dust, pollen, and other pollutants, ensuring that the air circulated within the room is clean and fresh.

Is there an air conditioner that is also an air purifier?

Many major brand air conditioners have an air purification feature and do offer some form of ionisation-based air filters. These filters remove some smoke, but only to a small extent. They primarily remove fine dust, mould spores, odours, allergens and germs.

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