Choosing the right MVHR filter grade depends on where you live and your health. If you live where there is dust, pollen, or smoke, you need a filter to keep your air clean. G3 filter media helps take out dust and pollen. Higher grades like M5 catch even smaller things and allergens. The table below shows how each filter works for different air problems:
Air Quality Issue | Filter Grade | Effectiveness |
|---|---|---|
Dust, pollen, smoke | G3, G4, F7 | Filters take out bad stuff and keep your air fresh. |
Smaller particles | M5 | Catches allergens and cuts down dust for more comfort. |
You can choose the right filter when you know what each one does.
Key Takeaways
Pick the right MVHR filter for your air needs. G3 filters help with dust and pollen. M5 filters are better for people with allergies.
M5 filters catch smaller bits in the air. This helps people with allergies and those living in dirty air.
Check and change your filters every 3 to 6 months. This keeps your air clean and your MVHR system working well.
G4 filters are not too expensive and work well. They are good for most homes that want cleaner air.
Think about where you live before picking a filter. If you live in a city with lots of pollution, M5 filters work best for clean air.
How Do G2, G3, and G4 MVHR Filter Grades Compare?
MVHR filter grades G2, G3, and G4 represent increasing levels of filtration efficiency, with G2 capturing particles ≥10μm at 65-80% efficiency, G3 trapping particles ≥5μm at 80-90%, and G4 filtering particles ≥1μm at 90%+ efficiency.
Key Differences
You might wonder how G2, G3, G4, and M5 filters stack up against each other. Each filter grade works best for different needs. Higher numbers mean better filtration. G3 filter media removes larger dust and pollen. G4 filters trap even more, including smaller particles. M5 filters catch the smallest particles and allergens. F7 filters offer the highest performance, but most homes use G3, G4, or M5.
Here is a table to help you see the differences:
Filter Grade | Filtration Efficiency | Particle Size Capture (microns) |
|---|---|---|
G2 | Low | Larger than 10 |
G3 | Low-Medium | 5 to 10 |
G4 | Medium | 3 to 10 |
M5 | High | 1 to 3 |
You can see that as the grade goes up, the filter traps smaller particles. M5 filters use less energy and last longer than F7 filters.
What They Filter
Each filter grade targets different types of air pollution. G3 filter media works well for dust, pollen, and pet hair. G4 filters remove dust mites and coarse dust with 99.9% effectiveness. They also block about 80% of mold spores. M5 filters go further. They trap fine dust, smoke, and more allergens. If you have allergies or live in a city, M5 filters give you better protection.
Filter lifespan matters, too. Here is a quick guide:
Filter Type | Lifespan |
|---|---|
G3 | 3 to 6 months |
G4 | 6 to 8 months |
M5 | 6 to 8 months |
Tip: Change your filters on time to keep your air clean and your MVHR system working well.
You now know how each filter grade compares. This knowledge helps you pick the right filter for your home.
What Are the Features and Benefits of G3 Filter Media?
G3 filter media is a coarse filtration material designed for HVAC systems that captures large particles like dust, pollen, and lint. It offers 80-85% arrestance efficiency for particles larger than 10 microns while maintaining good airflow and low pressure drop.
What Is G3
You might ask what makes G3 filter media special. G3 filter media is in the middle for air cleaning. It catches dust, pollen, pet dander, textile fibers, coarse particles, and insect debris. You get medium cleaning power and resistance. This means your MVHR system does not work too hard. The filter lasts a few months, so you need to change it often to keep your air fresh.
Here is a table that shows how G3 filter media compares to other grades:
Feature | G3 Filter Media | G4 Filter Media | M5 Filter Media |
|---|---|---|---|
Filtration Efficiency | Medium | High | Superior |
Resistance | Moderate | High | Very High |
Service Life | Moderate | Long | Very Long |
Applications | General use | Specialized use | High-efficiency use |
Captures Particles | Dust, Pollen, Pet Dander, Textile Fibres, Coarse Particles, Insect Debris | Smaller particles | Very small particles |
G3 Filter Media Uses
G3 filter media works in many places. It is used as an air pre-filter in HVAC systems. This means it stops big particles before they reach the main filter. You can find G3 filter media in homes, offices, and factories. It helps protect the main filter and keeps your system working well. If you live near busy roads or in dusty areas, G3 filter media can help clean your air.
Here is a quick look at common uses:
Application Type | Description |
|---|---|
Serve as the first line of defense in HVAC systems, capturing larger particles like dust and pollen. | |
Enhancing Air Quality | Protect primary filters and maintain HVAC efficiency, ensuring cleaner air in residential and commercial settings. |
High-Traffic Areas | Particularly effective in homes, offices, and industrial settings where particulate pollution is common. |
Tip: Check your filter every few months. Clean air helps you feel good and keeps your system working longer.
Pros and Cons
G3 filter media has many good points. It gives medium cleaning and is easy to take care of. The filter lets air move well, so your system stays strong. You also save money because G3 filter media costs less than higher grades.
But G3 filter media does not catch tiny particles. If you have allergies or live in a city with lots of pollution, you may need a better filter. You also need to change G3 filter media more often than advanced filters.
Pros:
Good for general air cleaning
Affordable and easy to find
Keeps HVAC systems efficient
Cons:
Does not trap fine particles or allergens
Needs regular replacement
Not ideal for sensitive groups
G3 filter media is good for daily use, but think about your air needs before you choose.
What Are the Features and Benefits of G4 Filter Media?
G4 filter media is a coarse filtration material designed to trap larger particles from air streams, with an average efficiency of 65-90% for particles ≥10μm. It serves as the first line of defense in multi-stage filtration systems for HVAC applications, industrial processes, and general ventilation.
What Is G4
G4 filter media cleans air better than G3. It can catch more dust, pollen, and some mold spores. G4 filters use a thick synthetic material. The pleats give the filter more space to trap particles. G4 filters can stop between 90% and 99.9% of big particles. This means most large things in your air get caught.
Here is a table to compare G3, G4, and M5 filters:
Feature | G3 | G4 | M5 |
|---|---|---|---|
Filtration Efficiency | Low | Medium (90% – 99.9%) | High (1 – 3 microns) |
Resistance | Lower | Higher | Higher |
Lifespan | Longer | Shorter | Longer |
Applications | General | Electronics, Pharma, Food | General |
G4 filters are good if you want cleaner air but do not need the highest filter grade.
G4 Filter Uses
You can use G4 filter media in many places. These filters work in homes, offices, and factories. G4 filters are often used before higher-grade filters in ventilation systems. They catch dust and lint first. This helps your main filters last longer. G4 filters are also used in exhaust air systems to keep dust off heat exchangers. If the outdoor air is clean, G4 filters can be the main supply air filter.
Common uses for G4 filter media are:
Exhaust air filtration to protect heat exchangers
Dust protection in air ducts
Pre-filters in ventilation systems
Main supply air filters in low-pollution areas
Pros and Cons
G4 filter media has many good points. It protects against dust, pollen, and pet dander. The pleated shape lets it trap more particles without making your system work too hard. G4 filters help keep your indoor air cleaner and lower allergens.
Pros:
Catches up to 99.9% of big particles
Reduces allergens like dust, pollen, and mold spores
Keeps higher-grade filters from clogging
Makes indoor air better
Cons:
Has more resistance than G3, which can slow airflow
Gets dirty faster, so it does not last as long
Does not catch the smallest particles or fine allergens
Tip: Check your G4 filter often. Change it when it looks dirty to keep your air clean and your system working well.
What Are the Features and Benefits of G2 Filter Media?
G2 Filter Media is a high-performance filtration solution designed for water and wastewater treatment systems. It features a unique dual-density structure with a coarse upper layer and fine lower layer, enabling superior dirt-holding capacity and extended filter runs compared to conventional media.
What Is G2
You might ask what makes G2 filter media different. G2 filters are made to catch big things in the air. They grab dust, pollen, and textile fibers. These filters give simple air cleaning for homes or offices. You get a good mix of filtration and airflow. Your MVHR system works well and does not slow down. G2 filters cost less than higher grades, so you save money. You still get better air quality.
Here is a table that shows how G2 filters compare to M5 filters:
Feature | G2 Filters | M5 Filters |
|---|---|---|
Particle Size Capture | Larger particles (dust, pollen) | Smaller particles (mold spores, pet dander) |
Air Quality Improvement | Basic air quality | Higher air quality for allergy sufferers |
Filtration and Airflow Balance | Adequate filtration without high resistance | Higher filtration efficiency with airflow considerations |
Cost-Effectiveness | Generally more economical | Higher initial cost but better filtration |
Maintenance and Longevity | Easier to maintain, longer lifespan | Requires more frequent changes |
Versatility | Suitable for residential and light commercial | Ideal for homes needing better air quality |
Machine Compatibility | Compatible with standard MVHR systems | May exceed system capabilities if too high grade |
G2 Filter Uses
You can use G2 filter media in many systems. These filters work best where you want to remove dust and pollen. G2 filters are used in homes, offices, and small businesses. They help keep your air fresh by catching big particles. This stops them from getting into your lungs. If you want simple air cleaning, G2 filters are a smart pick.
Tip: Use G2 filters in places with little pollution. You do not need advanced filtration there. This keeps your MVHR system running well and saves money.
Pros and Cons
G2 filter media has many good points. It removes big particles well. It is easy to take care of and lasts longer. These filters do not block air much, so your system stays strong. You also spend less because G2 filters are cheaper.
Here is a quick look at the benefits and limitations:
Benefit/Limitations | Description |
|---|---|
Effectiveness in Air Filtration | Captures larger particles like dust, pollen, and textile fibers. |
Cost-Effectiveness | More economical than higher-grade filters. |
Maintenance and Longevity | Easier to maintain with a longer lifespan. |
Balance of Filtration and Airflow | Provides adequate filtration without impeding airflow. |
Limitations | Less effective at capturing smaller particles compared to M5 or HEPA filters. |
Pros:
Takes out visible dust and pollen
Saves money on new filters
Easy to use and install
Cons:
Does not catch tiny particles or allergens
Not good for people with allergies or dirty air
Pick G2 filter media if you want easy air cleaning and low upkeep. If you need more protection from allergens, try a higher-grade filter.
How Can You Choose the Right MVHR Filter Grade for Your Building?
Choosing the right MVHR filter grade depends primarily on your local air quality and specific building requirements. For most residential buildings, ISO ePM1 60% (F7) filters offer a good balance between air purification and system efficiency, capturing pollen, fine dust, and some bacteria without excessive pressure drop.
For Allergies
If someone in your house has allergies, you should pick the right filter grade. Some filters are better at catching things like pollen, pet dander, and mold spores. M5 filters are special because they catch smaller bits that can cause allergies. These filters help make the air cleaner and safer for people who are sensitive to dust or pollen.
Here is a table to help you see how filters work for allergies:
Filter Grade | Particle Filtration | Efficiency | Best For | Pros | Cons |
|---|---|---|---|---|---|
G3 | Larger particles | 80–90% | Basic protection, rural areas | Low cost, low pressure drop | Not effective for fine dust |
G4 | Smaller coarse particles | 90–95% | Standard homes | Good balance of filtration/airflow | Misses fine allergens |
M5 | Finer particles, allergens | 40–60% | Allergy sufferers, urban areas | Better air quality, health benefits | Higher cost, more resistance |
M5 filters are made to catch tiny things that can hurt your health. They work well in homes with people who have allergies because they trap more dust and allergens. You get cleaner air and fewer allergy problems.
Tip: If you want less sneezing and itchy eyes, pick an M5 filter for your MVHR system.
For Urban Areas
Living in a city means there is more air pollution. Cars, factories, and building work put small particles in the air. Your MVHR system needs a strong filter to handle this extra pollution. M5 filters give the best protection in cities because they trap fine dust, smoke, and other bad stuff.
MVHR systems in cities need good filters to keep indoor air clean.
If you use a weak filter, you might see more dust and smell bad odors inside.
Better filters like M5 or ePM1 types help stop harmful particles from getting into your home.
Note: If you do not upgrade your filter in the city, your air can get dirty and your system may not work well.
Maintenance Tips
You need to keep your filters clean for the best air. Dirty filters do not work well and can make your MVHR system weaker. Each filter grade needs different care.
Filter Type | Best For | Pros | Cons |
|---|---|---|---|
G3 | Basic protection, rural or clean areas | Low pressure drop, cheaper | Does not filter fine dust |
G4 | Standard homes, moderate air quality | Good filtration/airflow, affordable | Misses fine particles |
M5 | Urban areas, allergy sufferers | Best air quality, health benefits | Higher cost, more resistance |
Check your filters every 3 to 6 months.
Change G3 filter media more often if you live where it is dusty.
G4 and M5 filters can last up to 8 months, but always look for dirt or blockages.
Never leave a dirty filter in place. It can make your air worse and hurt your system.
Tip: Set a reminder on your phone to check your filter. Clean filters help you and your family breathe better air.
Cost vs. Performance
Picking the right filter means thinking about both price and how well it works. G3 filter media is cheaper and works well in clean or country areas. G4 filters last longer and give a good mix of price and air cleaning. M5 filters cost more, but they protect you best from fine dust and allergens.
G4 filters last longer than G3 and M5 filters.
G4 filters catch particles from 3 to 10 microns. M5 filters catch even smaller ones, from 1 to 3 microns.
M5 filters might slow down airflow and use more energy because they are thicker.
Filters from G2 to M5 cost less than HEPA filters. They keep your air clean without high upkeep costs.
Common mistakes are picking a filter that does not fit your needs, not checking if it works with your system, or forgetting to do maintenance. Always pick a filter that matches your air needs and your MVHR system.
When you choose the right filter grade for your needs—like allergies, pollution, and budget—you get the best air and save money over time.
Decision Guide
Everyday Use
You want clean air in your home every day. For most homes in rural or clean areas, G3 or G4 filters work well. These filters catch dust, hair, and pollen. They keep your air fresh without making your MVHR system work too hard. G4 filters give you a bit more protection than G3, especially if you live in a town or near a road.
Particle Filtration | Efficiency | Best For | Pros | Cons | |
|---|---|---|---|---|---|
G3 | Dust, hair, pollen | 80–90% for particles ≥10 μm | Rural or clean areas | Low cost, easy airflow | Misses fine dust and allergens |
G4 | Coarse particles | Up to 90–95% for particles ≥10 μm | Standard homes | Good balance, affordable | Not for fine particles |
Tip: If you want basic protection and low cost, choose G3. For a little more filtration, G4 is a smart pick.
Sensitive Groups
If you or someone in your home has allergies or asthma, you need better protection. M5 filters trap smaller particles, including many allergens and some fine dust. These filters help you breathe easier and reduce sneezing or itchy eyes.
M5 filters improve air quality for allergy sufferers.
They capture more pollen, pet dander, and mold spores.
You get healthier air, but M5 filters cost more and may slow airflow.
Note: Always check if your MVHR system can handle an M5 filter before upgrading.
High Pollution
Living in a city or near busy roads means more pollution. You need a filter that can handle fine dust and smoke. M5 filters work best in these places. They catch smaller particles that G3 and G4 miss. Your indoor air stays cleaner, and you avoid breathing in harmful pollutants.
M5 filters help block PM10 and some PM2.5 particles.
They protect your health in high-traffic or industrial areas.
Upgrading Filters
Thinking about upgrading from G3 or G4 to M5? You gain better air quality and health benefits. M5 filters trap more allergens and fine dust. They also help your MVHR system work better by keeping it cleaner.
Benefits of upgrading:
Cleaner air and fewer allergens
Better health and comfort
Improved system performance
Drawbacks:
Higher cost
More resistance (check system compatibility)
Pro Tip: Upgrading to M5 is a great choice for families, city homes, or anyone who wants the best air quality.
You have many filter options for your MVHR system. G3 filters work well for dust and pollen in most homes. G4 filters give you better protection and last longer. M5 filters trap the smallest particles and help if you have allergies or live in a city.
Filter Grade | Filtration Efficiency | Particle Size Range | Best Use |
|---|---|---|---|
G3 | Low | 3–10 microns | General, budget-friendly |
G4 | Medium | 3–10 microns | Standard, longer life |
M5 | High | 1–3 microns | Allergies, urban areas |
Remember to change your filter every 3 to 6 months in busy or urban areas. In cleaner homes, you can wait up to 12 months. Choose the filter that fits your needs for healthy air every day.
FAQ
How often should you change your MVHR filter?
You should check your filter every 3 to 6 months. If you see dirt or dust, replace it right away. Clean filters help your system work better and keep your air fresh.
Can you wash and reuse MVHR filters?
Most MVHR filters are not washable. You should replace them with new ones. Washing can damage the filter and make it less effective. Always follow the manufacturer’s instructions.
Which filter grade is best for people with allergies?
M5 filters work best for allergies. They trap smaller particles like pollen and pet dander. You get cleaner air and fewer allergy symptoms with an M5 filter.
Will a higher-grade filter slow down your MVHR system?
Higher-grade filters like M5 can reduce airflow slightly. Your system may need to work harder. Always check if your MVHR unit supports the filter grade you choose.
Do you need a professional to change MVHR filters?
You can change most MVHR filters yourself. The process is simple and takes only a few minutes. If you feel unsure, ask a professional for help.
