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Air Purifier Buying Guide: How to Find the Best One for Your Budget

Many people are concerned about the quality of the air in their homes these days, thanks to wildfire smoke, air pollution, and respiratory illnesses, and they’re turning to air purifiers to help.

But if you’re shopping for an air purifier, you may find yourself overwhelmed by the options and the jargon, not to mention the cost.

Do you really need to splurge on a fancy air purifier to improve your indoor air quality? Or will a fan next to a window get the job done? How do find the right air purifier for your needs and your budget?

Here’s what you need to know about air purifiers, plus how to ensure you’re getting a good one if you’re on a tight budget.

Air Purifier Buying Guide: What You Should Look For

Air purifiers can be had at nearly every price point, from less than $100 to more than $1,000.

Tom Piscitelli, vice president of distributed markets with SecureAire, acknowledges that manufacturer claims all look surprisingly similar.

“It’s hard for the consumer to know how to separate fact from exaggeration,” he said.

Understanding a few key factors can help you separate the legitimate claims from the hype.

When evaluating an air purifier, you’ll want to look at:

  • The Clean Air Delivery Rate (CADR), which tells you how much air moves through the purifier;
  • The pollutants and irritants the purifier will remove, such as pollen, viruses, odors, pet dander, and smoke;
  • The cost of replacement components every year;
  • The MERV rating, or the minimum efficiency reporting value, describes how effectively the filter traps dust and other pollutants.

The MERV rating is likely to be found on the air purifier filter. The higher the number, the better: MERV 15 is the most common rating for air purifiers used in hospital operating rooms.

“A product without a MERV rating is likely to be relatively ineffective at removing small particles,” Piscitelli said.

You’ll also want to find out if the air purifier uses HEPA filtration. That designation means the filter can capture up to 99.97% of particles in the air.

Some air purifiers also have carbon filters, which can remove smoke, cooking smells and other odors, according to Arie Van Tuijl, owner of the home maintenance blog Home Inspector Secrets. Be aware that air purifiers that filter smoke maybe a little more expensive than ones that don’t.

Air purifiers usually include several types of filters, so you’ll need to identify what particles you want to get rid of, and pick the appropriate purifier/filter combination, says Sabine Schoenberg, founder, and CEO of Smart Healthy Green Living, based in Connecticut.

Finally, choose a purifier for the right room size for you. If the room is too big for your purifier, it’ll do you little good, according to Rex Freiberger, CEO of Gadget Review.

That said, don’t go overboard in the other direction. You don’t need a 1,000-watt air disinfection unit meant for warehouses for your 500-square-foot apartment, according to Michael Hennessy, CEO, and founder of Wavelength Lighting, an ultraviolet disinfection company.

A 300-watt or 500-watt unit would work just fine for a 500-square-foot space, cycling through all of the air in the room about four times an hour, Hennessy said.

Related Article: How to Use Buy Nothing Groups to Get Free Stuff Online

What If You Can’t Afford an Air Purifier?

If you’re concerned that you may not be able to afford the kind of air purifier you want or need, you may have some other options.

One option is to make your own air purifier. Yes, this is something you can actually do.

Tuijl recommends anyone interested in this route should get a $20 box fan and a 20×20 furnace filter. Secure the furnace filter to the front of the box fan, and make sure the arrow on the filter is pointing in the direction of the airflow.

“The nice thing about this DIY air purifier is that people can buy their own filters at any big box store, and choose the desired MERV rating,” Tuijl said. (Remember: the higher the MERV rating, the higher the filtration capacity of the filter.)

It’s also possible you may not even need an air purifier. You may just need to clean your furnace and air ducts more often.

“As a home inspector, I have seen firsthand the poor air quality in many homes,” Tuijl said. “Frankly, if homeowners just clean their HVAC system every few years and regularly change the furnace filter every month, then a portable air purifier isn’t really necessary.”

Finally, there is one option that won’t work: your oscillating fan. A fan may cool you off during the warm months, but it won’t clean the air.

Most airborne particles are invisible and very small – less than 1 micron in size – and they’re inclined to stay suspended in the air, even with the fans moving the air throughout the home or in a room, Piscitelli said.

Your fan only circulates air, and while moving air around reduces the likelihood of inhaling particulates, it doesn’t remove them the way an air purifier does, Freiberger said.

Expert-Recommended (and Budget-Friendly) Air Purifiers

Looking for a relatively inexpensive model that gets the job done? You may want to check these out, all of which claim to remove about 99% of indoor pollutants and none of which costs more than $120.

Note: All prices are accurate as of Nov. 11, 2020.

GermGuardian 167 Sq Ft Air Purifier ($99.99 at Best Buy)

This is a four-in-one air purifier for a small space. It has a HEPA filter, and it’s designed to kill germs, reduce odors and eliminate dust and allergens. The filter (about $35) should be cleaned every month and replaced every six months. An indicator will let you know when the filter needs to be replaced.

Medify Air MA-14-B1 Air Purifier with H13 HEPA Filter ($99.99 at Amazon)

Ideal for offices and bedrooms, it will clean the room’s air in just 30 minutes. It’s easy to set up, and will even get rid of pet smells. This comes with H13 medical-grade filters.

Proton Pure ($112.95 at Clean With Proton)

Great for rooms of up to 150 square feet, this will eliminate up to 99.7% of indoor air pollutants via its HEPA and carbon filters. It removes volatile organic compounds, dust, mold, bacteria, smoke, and other odors. It’s charged with a battery that is good for seven hours so you can move this from room to room, or you can plug it into an outlet. The filter should be changed every six to eight months.

 

This was originally published on The Penny Hoarder.

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