Master the art of buying air purifiers - Breathe easy 💡

Before diving into the world of air purifiers, it's essential to consider a few key factors to ensure you're making the best choice for your needs. Here are my top tips for selecting the perfect air purifier:

1. Determine your specific needs

First, consider why you need an air purifier. Are you looking to combat allergies, reduce pet dander, or eliminate smoke and odors? Identifying your primary concern will help you choose a model with the appropriate filter type and features.

2. Consider the room size

Air purifiers are designed to clean the air in a specific room size, so it's important to know the square footage of the space you want to purify. Measure the length and width of the room, then multiply the two numbers to get the square footage. This will help you select a model with the appropriate coverage area.

3. Look for a HEPA filter

High-Efficiency Particulate Air (HEPA) filters are the gold standard in air purification. They can capture 99.97% of particles as small as 0.3 microns, including dust, pollen, mold spores, and pet dander. Make sure the air purifier you choose has a true HEPA filter, not a "HEPA-type" or "HEPA-like" filter, which may not offer the same level of filtration.

4. Check the Clean Air Delivery Rate (CADR)

CADR is a measure of an air purifier's effectiveness in removing airborne particles. A higher CADR indicates a more efficient unit. Look for a model with a CADR that matches or exceeds the square footage of your room.

5. Consider noise levels

Air purifiers can produce noise, especially on higher settings. If you plan to use the unit in a bedroom or other quiet space, look for models with a low noise output. Many air purifiers list their decibel (dB) levels in the product specifications.

6. Factor in ongoing costs

Air purifiers require regular filter replacements to maintain their effectiveness. Before purchasing, research the cost and availability of replacement filters. Some models may also have washable pre-filters, which can help extend the life of the main filter. You can find more about this in our air purifier maintenance guide.

7. Compare energy efficiency

Air purifiers can consume a significant amount of energy, especially if they're running continuously. Look for models with an Energy Star rating, which indicates they meet strict energy efficiency guidelines set by the U.S. Environmental Protection Agency.

By keeping these tips in mind, you'll be well on your way to selecting the perfect air purifier for your needs. Don't forget to check out our reviews of top brands like Levoit, Dyson, Winix, Honeywell, and more to help make your decision even easier. Happy shopping!

Factors to ConsiderDescriptionExamples
Specific NeedsIdentify the main reason for needing an air purifierAllergies, Pet Dander, Smoke and Odors
Room SizeMeasure the square footage of the room to be purifiedLength x Width = Square Footage
HEPA FilterEnsure the air purifier has a true HEPA filter, not a 'HEPA-type' or 'HEPA-like' filterTrue HEPA filter can capture 99.97% of particles as small as 0.3 microns
CADRCheck the Clean Air Delivery Rate of the air purifierHigher CADR indicates a more efficient unit
Noise LevelsConsider the noise output of the air purifier, especially for quiet spacesLook for models with low decibel (dB) levels
Ongoing CostsResearch the cost and availability of replacement filtersSome models have washable pre-filters to extend the life of the main filter
Energy EfficiencyConsider the energy consumption of the air purifierLook for models with an Energy Star rating
Danielle Dickinson
health, wellness, yoga, cooking, air quality

Danielle Dickinson is a dedicated health and wellness author who has a special interest in air quality. With a wealth of knowledge on air purifiers and their impact on respiratory health, she has devoted her writing career to enlightening others on this topic. When she's not engrossed in her research, Danielle loves to unwind with yoga and preparing nutritious dishes.