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MERV Minimum Efficiency Reporting Values report a filter’s ability to capture larger particles between 0.3 and 10 microns (µm). The higher the MERV rating the better the filter is at trapping specific types of particles.
HVAC Air Filters are designed to capture small airborne particles such as Pollen, Dust Mites, Pet Dander, Bacteria, Viruses, Allergens, and Mold Spores.
During wildfires is recommended to upgrade your HVAC filter to the highest possible. I still recommend to have in addition an HEPA air purifier around. For wildfire smoke protection, air purifiers with HEPA filters and activated carbon are highly effective.
The Environmental Protection Agency (EPA) recommends using air filters with a MERV 13 rating or higher for optimal protection against wildfire smoke.
During the fire season, it is recommended that upgrading to a filter rated MERV 13 or higher can be especially important during smoky periods to effectively remove fine particle pollution from smoke in the indoor air. A true high-efficiency filter (MERV 13–16) can remove as much as 95% of the airborne particles, including fine particulate matter (PM2.5) found in wildfire smoke.
For optimal protection, a combination of MERV 13+ filters in the HVAC system and portable HEPA air purifiers in key living areas can provide comprehensive coverage against wildfire smoke in a residential setting.
If you have pets or allergies, MERV 11 is a great baseline. Homes with smokers or a wood-burning fireplace should pick MERV 12-13. MERV 14+ are generally for hospitals, schools, and environments with high air quality requirements.
✅ MERV rating 14 and E-11 material attracts and removes microscopic particles like dust, smoke, pet dander, pollen, and smog particles, removing them from the air you breathe.
Compare MERV:
🌿 On this page are listed the best and most effective HVAC Filters on the market to keep your house more protected from polluting elements, especially in a busy metropolis. For any season since generates heat or cools the environment while still performing and purifying. A must-have during wildfires.
My number one HVAC Filter brand recommendations are:
Shop with my links to support my research!💖
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Medify HVAC Replacement Filters feature an electrostatically charged pleated material to capture more particles.
✅ These approved HVAC Filters outperform fiberglass, washable, and non-electrostatic filters.
With a MERV rating 11 and E-11 material, this HVAC filter attracts and removes microscopic particles like dust, smoke, pet dander, pollen, and smog particles, removing them from the air you breathe.
Medify Air HVAC Filters with E-11 and Electrostatic Material
Medify features an electrostatically charged and antimicrobial, pleated material to capture more particles and extends the lifespan 3x that of fiberglass models.
✅ remove up to 95% of airborne particles
In case of wildfires Merv 13 or above is recommended
MATERIAL: remove up to 95% of airborne particles
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AirDoctor models are all approved! Made by the same company that makes my favorite water filter AquaTrue.
AirDoctor Difference:
*For best results, it is recommended to change your filters every 60 to 90 days.
**Compatible with HVAC systems that support 1-inch width HVAC filters within the correct filter size.
MATERIAL: MERV 14
Custom filters Direct are made in the USA. They offer MERV 8-11-13 and custom-made filters.
These HVAC filters are suitable for most HVAC systems. The MERV 13 filters offer you the best air purification without compromising the airflow. These filters are specially made for places such as homes and workplaces as these places require cleaner air to breathe. These filters not only increase the quality of indoor air but also ensure that you remain safe from the harmful particles that are present indoors.
Due to their good filtration, MERV 13 air filters are often used in places that require great air quality. These filters are for homes, offices, theaters, hospitals, clinics, industry plants, and physical fitness centers.
I recommend you their higher rate which is Merv 13 which reduces harmful particles while promoting cleaner air and a more comfortable environment for everyone. Especially after wildfires.
MATERIAL: made in the USA
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PurpleAir is a company that produces air quality monitoring devices that measure airborne particulate matter (PM) in real-time in your area. Real-time measurements: The sensors provide continuous, up-to-date air quality data.
Particle size detection: They can detect particles as small as 0.3 micrometers.
✅ The EPA Fire and Smoke Map integrates PurpleAir sensor data to provide real-time air quality information during wildfires.
✅ The South Coast Air Quality Management District (AQMD) utilizes PurpleAir sensors to create high-resolution air quality maps.
They offer Air Quality Monitors to track your air quality in your location and for sharing with their community. They also have a portable air monitor so you can become a community scientist by sharing air quality data with the public.
Integration with other platforms: PurpleAir data is used by services like Windy.com and Weather Underground to provide air quality information
During wildfires is recommended to upgrade your filter to the highest possible. I still recommend to have in addition an HEPA air purifier around. For wildfire smoke protection, air purifiers with HEPA filters and activated carbon are highly effective.
Keep windows closed and minimize outdoor air infiltration during wildfire events.
Regarding the HAC, The Environmental Protection Agency (EPA) recommends using air filters with a MERV 13 rating or higher for optimal protection against wildfire smoke. These filters can capture up to 98% of airborne particles, including fine particulate matter (PM2.5) found in wildfire smoke.
🌿 These cheese cloths are made with GOTS-certified Organic cotton, which is the safest option when cooking or dealing food. To make your organic cheese.
These amazing cloths are not only useful in the kitchen, but they are recommended to keep clean if you have floor HVAC System Vents.
By being on the floor, they are more prone to collect dust, crumbs, or anything around the house. My HVAC expert recommended adding these simple and handy filters: cheese cloth. I had GITS certified organic cheese cloth and he cut them and insterted inside the floor vent. He also recorded to change them every 3 months.
You can also use it in place of the conventional plastic turkey bags and cook a much healthier Organic Thanksgiving Turkey version. They have a tight weave for canning cloth, jelly making, spice bags, and even fine polishing wood and glass.
MATERIAL: GOTS-certified organic cotton