What are the Best Air Purifiers and Filters to Improve Indoor Air Quality?
The Home Allergy Relief Collection is for anyone who suffers from year-round or seasonal allergies. Seasonal allergies are typically caused by different types of pollen throughout the year, while year-round allergies are triggered by indoor factors such as pet dander, household dust, and mold. The Allergies Collection includes our top-selling HEPA air purifiers, replacement filters, and MERV 13 HVAC filters. PuroAir’s solution to battling indoor allergens will have you breathing clean, fresh, and odorless air in minutes. Let’s take a deep dive into each product collection and find the best purifiers and filters to fight allergies today!
Benefits
What is the best air purifier for allergies?
PuroAir understands that maintaining a completely allergen-free living or working space is easier said than done. PuroAir air purifiers are highly effective tools for helping relieve allergies by filtering out the presence of allergens that can trigger allergic reactions. Our HEPA Air Purifiers are high-performance air cleaning devices that use a multi-stage filtration system, including a HEPA filter, to filter airborne particles, allergens*, dust, pet dander, smoke, and other pollutants from the air. They are designed to improve indoor air quality and provide cleaner, healthier air for your home or office.
Air Purifier Benefits:
- PuroAir’s HEPA filter clears up to 99.9% of airborne particles as small as 0.1 microns*.
- The combination of the HEPA filter and activated carbon filter helps filter pet hair, dander, and odors from your home, making them ideal for pet owners.
- PuroAir air purifiers are designed to operate quietly, even at higher fan speeds.
- PuroAir air purifiers are ENERGY STAR certified.
- PuroAir air purifiers are equipped with user-friendly controls and a smart air quality sensor that automatically adjusts fan speed to maintain optimal air quality.
- 2-Year Warranty with purchase, Lifetime Warranty with Filter Subscription.
What is the best replacement filter for allergies?
PuroAir Filter Replacements are designed with allergy relief in mind. Each purifier filter has 3-layers of defense against large particles, fine allergens, and odors. The heart of each PuroAir air purifier is the best-in-class multilayer HEPA filter. It's composed of a pre-filter screen layer to filter large particles, a HEPA filter layer to filter up to 99.9% of microscopic allergens* and pollutants, and an activated carbon filter layer to reduce odors, smoke, and harmful VOCs.
The HEPA filtration system effectively filters airborne particles like dust, pollen, pet dander, and other allergens*, ensuring the highest quality air and a healthier environment in your home or office at all times.
HEPA Filter Replacement Benefits:
- PuroAir Filter Replacements have three layers of defense.
- HEPA filters are designed to filter out 99.9%* of particles as small as 0.1 microns. This includes most common allergy triggers like pollen, dust, and smoke.
- CarbonTech™ Filter: In addition to the HEPA filter layer and pre-filter, PuroAir air purifiers have activated carbon filters that can absorb odors and some gases.
- Pre-Filter screens for larger particles like dust, hair, pollen, carpet fibers, and other visible debris.
- Easy installation and maintenance.
- PuroAir Filter Replacements are designed to last up to 90 days, or 3 months.
What is the best home HVAC filter for allergies?
The best HVAC filter for allergies is one with a high MERV rating and additional features to stop allergens in their tracks. The higher the MERV rating, the more effective the filter is at reducing smaller particles. PuroAir Mega HVAC Filters offer a rating of MERV 13 (for smaller particles like dust, pollen, and pet dander).
HVAC Filters are rated on the Minimum Efficiency Reporting Value (MERV) scale (1–20). The higher the MERV rating, the better filtration. But some higher MERV-rated HVAC filters may reduce airflow if not matched to your central air system, AC unit, or furnace. PuroAir Mega HVAC Filters have one of the highest MERV ratings of any residential home air filter at MERV 13 and are designed to allow strong airflow into the system.
PuroAir Mega HVAC Filters include three filter layers for one of the most effective and efficient home air filters on the market. The Mega Filter has a pre-filter to filter larger particles, MERV 13 filter layer blocks fine air particles down to 1 micron, and an activated carbon layer to create a barrier against odors, gases, smoke, and other pollutants.
Mega MERV 13 HVAC Filter Benefits:
- Flexible sizes: Perfect fit for small, medium, or large homes.
- Optimized velocity: 286 FPM (Feet Per Minute) ensures great filtration without straining your system.
- Handles increased airflow while maintaining low resistance.
- The activated carbon filter is derived from renewable coconut shells, not coal.
- Microporous structure provides a huge surface area for capturing pollutants.
- Exceptional ability to reduce gases and odors.
- Lasts 3x longer than fiberglass filters*.
- Pleated filter design to mitigate more airborne pollutants.
Comparison Table:
| Product Type | Filtration Rating | Application | Activated Carbon Layer |
|---|---|---|---|
| PuroAir Purifiers | HEPA | Small to large rooms | Yes |
| PuroAir Filter Replacements | HEPA | Small to large rooms | Yes |
| PuroAir HVAC Filters | MERV 13 | HVAC, AC & Furnaces | Yes |
Buying Guide - How to Choose the Best Air Purifier
Why choose PuroAir Air Purifiers?
PuroAir air purifiers utilize HEPA filtration, reducing 99.9%* of common allergens from indoor air such as pollen, dust, mold, and pet dander. Recognized by professionals, these highly efficient air cleaning systems also boast smart features like air quality sensors, automatic adjustment modes, and quiet operation.
- HEPA filtration: Filters 99.9% of allergens, including pollen, dust, mold, and pet dander.
- Trusted by professionals: Often recommended by allergists and used in hospitals and labs.
- Smart features: Air quality sensors, auto-adjust modes, and quiet operation.
Key considerations before buying an air purifier:
Before investing in an air purifier, consider researching air purifiers that fit the following criteria:
| Factor | What To Look For | Why It Matters |
|---|---|---|
| Room Size | Match purifier’s coverage (sq ft) to your indoor space | Ensures effective filtration |
| Filter Type | HEPA with activated carbon | HEPA for allergens, carbon for odors |
| Noise Level | < 50 dB for bedrooms | Quiet operation to not disrupt sleep |
| Smart Features | Auto mode, timers, app control | Convenience and energy savings |
PuroAir Air Purifier Models Comparison
| Model | Best For | Coverage |
|---|---|---|
| PuroAir 130i | Small rooms, studios, apartments | 600 sq ft |
| PuroAir 240 | Smaller rooms, homes with room separation | 1,000 sq ft |
| PuroAir 400 | Larger open spaces, ideal for larger residential or commercial spaces | 2,000 sq ft |
| Whole Home Bundle | One main larger living space and one bedroom space | 3,000 sq ft |
| Whole Home+ Bundle | One large living space and two bedroom areas | 4,000 sq ft |
Maintenance and Costs
PuroAir air purifiers are affordable and easy to set up with plug-and-play functionality. PuroAir offers convenient filter subscriptions and a lifetime warranty while enrolled.
- Filter replacement: Every 3 months depending on usage.
- Cost of filters: ~$40–$60 per replacement. Subscribe and save.
- Filter subscription: Receive replacement filters automatically.
- Warranty: 2-Year Warranty included, Lifetime Warranty with subscription.
- Energy usage: Energy Star certified.
- Quiet operation: As low as 22 dB in Sleep Mode (PuroAir 240).
Who Should Buy One?
PuroAir HEPA air purifiers are beneficial for allergy sufferers, pet owners, city dwellers, and families.
- Allergy Sufferers: Reduces pollen, pet dander, or dust mites.
- Pet Owners: Reduces fur and odors.
- Urban Dwellers: Filters pollution and smoke particles.
- Parents: Improves air quality in nurseries and kids’ rooms.
PuroAir MERV 13 HVAC filters offer high-efficiency filtration without requiring a full HEPA system.
- Captures fine particles (1 micron), including allergens and pollutants.
- Helps reduce airborne viruses.
- Effective against PM2.5 pollution.
- Ideal for pet owners and central air systems.
Where to Buy
PuroAir Air Purifiers and Filters are available on the PuroAir website and on Amazon.
Our Mission
At PuroAir, our mission is: “Making clean, healthy indoor air accessible to everyone, everywhere.”
We’re committed to transparency, innovation, and integrity in everything we do. We promise to:
- Offer higher quality air purification products
- Lead advancements in air purification technology
- Promote environmentally sustainable practices
- Support community health-focused initiatives
We’re dedicated to providing clean air for everyone through both innovation and philanthropy. Learn more about our efforts on our Giving Back page.
100-Day Cleaner Air Guarantee
The 100-Day Cleaner Air Guarantee is our 100% Refund Return Policy. If you are unsatisfied with your Purifier purchase from PuroAir.com for any reason, you have 100 days from the date of shipment to request a full refund, including shipping charges. Purifiers will not be eligible for a return after 100 days. You may also cancel any subsequent subscriptions at the time of return, as well. Learn more about our return policy here: 100-Day Cleaner Air Guarantee.
Breathing Easier Together: PuroAir Partners with the American Lung Association
Because when you can’t breathe, nothing else matters.
- Dedicated to making cleaner air more accessible in homes and communities
- Supporting research and education that drive real impact
- Collaborating to raise awareness about the connection between air quality and lung health
- Reinforcing our shared mission to protect every breath, everywhere
FAQs
Another solution for improving indoor air quality is by upgrading your home’s HVAC filter from fiberglass to one with a higher MERV rating, like the PuroAir Mega HVAC Filter. The Mega Filter is rated MERV 13, which is one of the highest residential filtration ratings on the market. The innovative design allows more air to flow through, while reducing large and small particles, as well as adsorbing odors with the activated carbon layer.
If you are looking for the best bang for your buck, build a bundle tailored for your home with a HEPA air purifier and MERV 13 HVAC filter. This whole home air filtration system allows the purifier to clean the air from the ground level, while the HVAC filter will intake pollutants and odors directly into the HVAC, AC or Furnace and then push purified air out of the vents.
Cat owners can learn more about combating allergy symptoms here: Air Purifiers: The Unsung Hero for Cat Owners.
- HEPA filter: This is the most important feature, as it is the industry standard for capturing tiny particles. The filter should capture at least 99.9% of particles that are 0.1 microns in size, which include many common allergens.
- Activated carbon filter: A filter with an activated carbon layer helps adsorb odors and Volatile Organic Compounds (VOCs), which can also irritate allergy sufferers.
- Correct room size: Check the manufacturer's recommended coverage area to ensure the purifier is powerful enough for your room.
- Quiet operation: If you plan to use the purifier in a bedroom, look for a model with a low noise level, especially at its lower fan settings or with a sleep mode.
- Filter replacement costs: Consider the cost and frequency of replacement filters, as this is an ongoing expense.
- Avoid ozone-producing models: Steer clear of ionic air purifiers or ionizers that produce ozone, as this can irritate the lungs and aggravate allergy or asthma symptoms.
- Improved allergy symptoms
- Fewer sneezing and coughing fits
- Better sleep quality and less nighttime coughing
- Reduction in odors from pets, cooking, or smoke
- Visible dust reduction on surfaces in the room
- Check the filter: A dirty filter means it’s capturing particles.
Air Purifiers are typically portable and ideal for targeting specific rooms (e.g., bedrooms, kitchens, pet areas). Purifiers can run 24/7 and independently from any other system.
For optimal air quality, many experts recommend using both: a high-MERV HVAC filter, like the Mega MERV 13 HVAC Filter, for baseline filtration and HEPA air purifiers for precision air cleaning.
MERV 13 HVAC filters provide whole-house filtration when your system is running. They are effective at reducing smaller particles like dust, pollen, and pet dander, and are designed to allow strong airflow without straining your system.
HEPA air purifiers are portable and ideal for targeting specific rooms such as bedrooms, kitchens, or pet areas. They can run 24/7 independently of your HVAC system and are highly effective at capturing up to 99.9% of airborne particles as small as 0.1 microns*, including common allergens, dust, pet dander, smoke, and odors. Many PuroAir models also feature smart air quality sensors that automatically adjust fan speed to maintain optimal air quality.
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