
A whole house air filter HEPA system is a great investment for anyone who wants to breathe easy at home. These systems can filter out 99.97% of particles as small as 0.3 microns.
They're especially useful for people with allergies or respiratory issues, as they can remove common allergens like dust, pollen, and pet dander. This can make a big difference in overall health and comfort.
HEPA filters are designed to capture tiny particles that can aggravate asthma and other breathing problems. They're a popular choice for homes with pets, as they can trap pet dander and reduce sneezing and congestion.
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Whole House Air Filter HEPA
A whole house air filter HEPA is a game-changer for anyone looking to breathe easier in their home. It's an air cleaner that provides the highest level of air filtration currently available, capturing microscopic particles like pollen, pet dander, dust, bacteria, mold spores, smoke, virus carriers, and microscopic allergens.
The HEPA filter works by forcing air through a fine mesh, blocking small particles as it passes through. This process is so effective that it can remove 99.97 percent of particles down to 0.3 microns.
You'll need to replace the filter approximately every month, depending on the quality you use. A delay in house heating during winter or cooling in summer is a good indication that it's time for a replacement.
A whole house HEPA filter is designed to be incorporated with a ducting system, typically employing an existing furnace or an air handler. The HEPA filter elements are housed in an insulated, sturdy cabinet, along with a fan that's dedicated to circulating air through the filter.
The benefits of whole-home HEPA air filters are numerous. They include:
- The cleanest indoor air that an air filtration product can achieve
- Highly effective at arresting dust, pollen, mold, and many other indoor air pollutants & allergens
- Helps control triggers for asthma and other respiratory issues
- Reduces a broad range of airborne viruses & bacteria, and helps reduce VOCs
- Promotes better sleep
- Helps improve efficiency and effectiveness of furnace and central AC systems
- Helps reduce stress on furnace and AC equipment, promoting longer system life
It's worth noting that a central HEPA may not protect you from all air-borne diseases, but it plays a significant role in minimizing the risk. If you have allergies or asthma, a HEPA filter can help reduce the risk.
Benefits and Regulations
The 2021 International Green Construction Code (IgCC 2021) Establishes minimum regulations for building systems and site considerations using prescriptive and performance-related provisions, including a minimum level of filtration and air cleaner requirements for all buildings with wetted surfaces.
Whole house HEPA filters provide the cleanest indoor air that an air filtration product can achieve, highly effective at arresting dust, pollen, mold, and many other indoor air pollutants & allergens.
Regulations like the IgCC 2021 require a minimum level of filtration and air cleaner requirements for all buildings with wetted surfaces, particulate matter smaller than 10 and 2.5 micrometers (PM10 & PM2.5), and more. This is crucial for improving indoor air quality, which can reduce respiratory health issues and minimize the "stuffy" feeling.
The benefits of whole-home HEPA air filters include reducing a broad range of airborne viruses & bacteria, and helping reduce VOCs, promoting better sleep, and improving the efficiency and effectiveness of furnace and central AC systems.
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Here are some key benefits of whole house HEPA filters:
- The cleanest indoor air that an air filtration product can achieve
- Highly effective at arresting dust, pollen, mold, and many other indoor air pollutants & allergens
- Helps control triggers for asthma and other respiratory issues
- Reduces a broad range of airborne viruses & bacteria, and helps reduce VOCs
- Promotes better sleep
- Helps improve efficiency and effectiveness of furnace and central AC systems
- Helps reduce stress on furnace and AC equipment, promoting longer system life
Benefits of Filters
Having a high-quality air filtration system in your home can make a huge difference in the air you breathe.
The benefits of whole-home HEPA air filters include achieving the cleanest indoor air possible, which can be a game-changer for people with respiratory issues.
High-efficiency filters can remove finer particles in the 1 to 3 micron range, and filters with MERV ratings of 9 to 12 are still relatively inexpensive.
Having a central air system with a MERV 9 or higher filter can help reduce stress on your furnace and AC equipment, promoting longer system life.
Highly efficient filters, rated MERV 13 to 16, can remove very fine particles, but usually require a central air system designed or upgraded to accommodate them.
Here are some specific benefits of using high-efficiency filters:
- The cleanest indoor air that an air filtration product can achieve
- Helps control triggers for asthma and other respiratory issues
- Reduces a broad range of airborne viruses & bacteria, and helps reduce VOCs
- Promotes better sleep
- Helps improve efficiency and effectiveness of furnace and central AC systems
- Helps reduce stress on furnace and AC equipment, promoting longer system life
Regulations and Factors
The International Green Construction Code (IgCC 2021) sets minimum regulations for building systems and site considerations.

These regulations use a combination of prescriptive and performance-related provisions to ensure buildings meet certain standards. The IgCC 2021 is a significant development in the field of green construction.
Chapter 8 of the IgCC 2021 details specific requirements for minimum filtration and air cleaner standards in buildings with wetted surfaces.
Buildings must meet the following standards: minimum level of filtration, air cleaner requirements, and control of particulate matter smaller than 10 and 2.5 micrometers (PM10 & PM2.5).
Here's a breakdown of the key requirements:
- Minimum level of filtration
- Air cleaner requirements
- Control of PM10 & PM2.5
These regulations are in place to improve indoor air quality and reduce the negative impacts of poor air quality on human health.
Installation and Setup
The installation process for a whole house air filter HEPA is a bit more involved than a traditional air filter, but don't worry, it's still relatively straightforward. The HEPA system is connected to the return air duct that brings air from the house back to the furnace to be heated.
You'll want to consider the size of the round sheet metal bypass piping that connects the HEPA filter to the ducting system, which can range from 8 to 10 inches in diameter on the inlet side to the filter housing, and 6 to 8 inches on the outlet side.
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Connecting Filters to Existing Furnace Systems
Connecting filters to existing furnace systems requires a bit of finesse, but don't worry, it's easier than you think. The HEPA system is installed alongside the return duct instead of in-line with the return air.
The size of the round sheet metal bypass piping that connects the HEPA filter to the ducting system varies, but it's typically between 8 to 10 inches in diameter on the inlet side to the filter housing, and 6 to 8 inches on the outlet side.
This configuration is the same whether you're using a furnace or an air handler, such as a central heat pump system, to distribute warm air around the home. The Lennox brand offers three models that cover a broad range of residential systems.
The HEPA filter is designed to be incorporated with a ducting system, typically employing an existing furnace or an air handler, to provide the highest level of air filtration currently available.
For Homes Without Ductwork
Homes without ductwork, like those heated by hot water boilers or mini-split heat pumps, can still benefit from whole-house HEPA filtration.
In these cases, a modest ducting system may be installed to accommodate the HEPA filter and other upgrades.
A HEPA filter can be paired with a fresh air appliance for enhanced air quality.
Installing a new HEPA filtration system in a home without ducting often requires an air handler to circulate air around the home.
For single-room installations, the fan in the HEPA unit can circulate air, but it's essential not to overwork it.
Experts like our team can provide the right recommendation for your specific situation.
Whole-house HEPA installations typically involve an insulated cabinet housing the filter elements and a dedicated fan.
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Product Information
The HEPA filtration unit I've come across is designed to be installed directly onto the return air plenum of the forced air system or attached with flexible ductwork.
It features a 3-stage air filtration system, including a MERV8 pre-filter with activated carbon and a HEPA filter.
The PerfectPro Series is a top-rated whole-house air purifier that transforms your HVAC system into a medical-grade air purifier.
It captures ultrafine particles down to 0.003 microns, including allergens, viruses, and even wildfire smoke, making it a great option for those with allergies or sensitivities.
IQAir offers five different models of the PerfectPro to fit any home, regardless of size or HVAC system.
Here are the available models and their prices:
What Is a Filter
A filter is essentially a fine mesh that blocks small particles as air passes through.
HEPA filters work by forcing air through this mesh, capturing microscopic particles like pollen, pet dander, dust, bacteria, mold spores, smoke, virus carriers, and microscopic allergens.
Over time, the filter will clog, which can cause a delay in heating or cooling your home.
You'll need to replace your filters approximately every month, depending on their quality.
A central HEPA filter can help minimize the risk of air-borne diseases, especially for people with allergies or asthma.
#1 Rated

The #1 Rated whole-house air purifier is a game-changer for anyone suffering from allergies or respiratory issues.
It's called the PerfectPro Series, and it's designed to transform your HVAC system into a medical-grade air purifier. This means it can capture ultrafine particles, allergens, viruses, and even wildfire smoke.
The PerfectPro Series runs silently and uses no extra energy, making it a convenient addition to your home.
Ultra-low air restriction is one of its key features, allowing it to trap ultrafine particles that ordinary filters can't. This is thanks to its 3-stage air filtration system, which includes a MERV8 pre-filter with activated carbon and a HEPA filter.
With five models to choose from, you can find the PerfectPro Series that fits your home's specific needs.
A Perfect Fit
You can choose from a variety of HEPA filtration systems to suit your home's needs, including the ability to install them directly onto the return air plenum of the forced air system or attach with flexible ductwork.

The PerfectPro Series offers five different models to fit any home, ranging from the PerfectPro X 2530, compatible with a 5-ton HVAC system, to the PerfectPro 1625, compatible with a 3-ton HVAC system.
HEPA filters are designed to be incorporated with a ducting system, typically employing an existing furnace or an air handler, and are available for residential applications.
You can choose from a variety of models to fit your home's size and HVAC system, such as the PerfectPro X 2530, which is compatible with a 5-ton HVAC system, priced at $3,395.
Here's a breakdown of the different models available:
Installation and Maintenance
Installation and Maintenance is crucial for maximizing the effectiveness of your whole house air filter HEPA. Don't take the cleanliness of the air you breathe for granted, as pollutants like dust, pollen, and smoke can have serious health effects.
Use the highest rated filter your central air system can accommodate, which is recommended to be MERV 10 or higher by the American Lung Association. Make sure the filter is installed correctly and fits securely in its holder.
Maintenance matters: Clean out dust build up at least monthly and replace filters routinely to maintain proper airflow. Replacing filters every three months is recommended, but if you are doing renovations or other dusty activities you may want to replace them more often.
Here are some key maintenance tasks to keep in mind:
Operating your central air system with the fan on ensures constant movement of air through the system.
Do's and Don'ts
When it comes to maintaining a healthy indoor environment, it's essential to follow some simple do's and don'ts. Don't take the cleanliness of the air you breathe for granted, as pollutants can have serious health effects.
If you have a central air system, use the highest rated filter it can accommodate. The American Lung Association recommends using filters rated MERV 10 or higher.
Make sure the filter is installed correctly and fits securely in its holder. A loose or incorrectly installed filter can reduce airflow and decrease the effectiveness of your air system.

Maintenance matters: clean out dust build up at least monthly and replace filters routinely to maintain proper airflow. Replacing filters every three months is recommended, but if you are doing renovations or other dusty activities you may want to replace them more often.
To ensure constant movement of air through the system, operate central air systems in your home with the fan on. This simple trick can make a big difference in indoor air quality.
Here's a quick rundown of the recommended filter replacement schedule:
Designing a heating and ventilation system for optimal air quality can be done when building a new home. For remodels, ventilation systems can be installed separately from a forced air heating system, providing filtered fresh air and helping you save on energy costs.
Dirty Details
Babies, young children, older adults, and people with asthma are most susceptible to health risks from inhalation of airborne particles.
Inhalation of airborne particles can lead to coughs and respiratory irritation, as well as more serious long-term consequences including lung disease and cancer.
Installing a high-efficiency filter in your central heating and cooling system can have a significant impact on indoor air quality.
A well-maintained central filtration system can improve the quality of the air in your home by circulating large volumes of air.
Filtration Systems
Filtration Systems can be a bit overwhelming with all the options available. Central Air Filters are typically fitted with a one-inch-thick panel filter, but these basic filters remove less than 20% of particles and are only rated MERV 1 to 4.
There are different types of filters available, including Flat-panel filters, Extended media filters, Ultraviolet filters, and Electronic filters. Each type has its own strengths and weaknesses, but some are more effective at removing contaminants than others. The MERV ratings range from 1 to 20, with higher number ratings removing finer particles at greater efficiencies.
A HEPA filter, on the other hand, is a type of air purification system that captures microscopic particles from the air, including pollen, pet dander, dust, bacteria, mold spores, smoke, virus carriers, and microscopic allergens. These filters are designed to be highly effective at arresting dust, pollen, mold, and many other indoor air pollutants & allergens.
Curious to learn more? Check out: Hepa Filter Ratings
Types of Home Purifier Systems
There are several types of home air purifier systems, each with its own unique features and benefits.
Flat-panel filters are a common type, but they only filter large particles from the air, leaving tiny ones behind.
Extended media filters use multiple layers of filters to provide improved filtration, making them a popular choice.
Ultraviolet filters are another option, using zapping technology to remove bugs and viruses from the air.
Electronic filters remove small particles from the air by charging them with electric current and grabbing them using plates with an opposite electric charge.
Here are some common types of home air purifier systems:
A Central HEPA air cleaner is an example of a filter with high efficiency and protection, making it a popular choice for whole-home air filtration systems.
Filtration Systems Overview
A whole-house HEPA filtration system is an air cleaner that provides the highest level of air filtration currently available, capable of removing 99.97% of particles down to 0.3 microns.
HEPA filters work by forcing air through a fine mesh, blocking small particles and reducing the risk of airborne diseases. The filter will clog after some time, requiring replacement approximately every month, depending on the quality used.
There are different types of whole-home air purifier systems, including flat-panel filters, extended media filters, ultraviolet filters, and electronic filters. Each type has its own strengths and weaknesses, and the best one for you will depend on your specific needs and preferences.
A central HEPA filter is a type of air purification system for a house that captures microscopic particles from your home, including pollen, pet dander, dust, bacteria, mold spores, smoke, virus carriers, and microscopic allergens. It's designed to be installed directly onto the return air plenum of the forced air system or attached with flexible ductwork.
High-efficiency filters remove finer particles in the 1 to 3 micron range, with MERV ratings of 9 to 12 being more expensive but still relatively inexpensive. Filters rated MERV 13 to 16 are highly efficient and remove very fine particles, but usually can only be installed in central air systems designed or upgraded to accommodate them.
Expand your knowledge: Air Filters Merv
Whole-house air filtration systems serve your entire home, working together with your HVAC system to clean the air throughout your entire home. They're often used in conjunction with other products that help improve indoor air quality, such as central humidifiers and central air purifiers.
Here are some key facts to consider when choosing a whole-house HEPA filtration system:
- MERV ratings range from 1 to 20, with higher number ratings removing finer particles at greater efficiencies.
- Particles smaller than 10 microns can pass into the lungs when inhaled.
- Finer particles, 2.5 microns and smaller, can penetrate deep into the lungs.
- Central forced air systems are typically fitted with a one-inch-thick panel filter, which is quite inexpensive but removes less than 20 percent of particles.
A HEPA filtration system with 3-stage filtration, such as the HERO HS300, can improve the wellness value of a home by scrubbing 99.9% of the air that goes through the HVAC system.
Local Information
If you're considering a whole house air filter HEPA for your home, you'll want to know about the local regulations governing their use.
In many areas, whole house air filter HEPA systems are required in new construction and major renovations to reduce indoor air pollution.
A typical HEPA filter can capture up to 99.97% of particles as small as 0.3 microns, including dust, pollen, and other airborne irritants.
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The cost of a whole house air filter HEPA can vary depending on the size of your home and the type of system you choose.
In some areas, local building codes may require the use of HEPA filters in certain types of buildings, such as schools and hospitals.
HEPA filters can be an effective way to improve indoor air quality, especially in homes with pets or smokers.
The lifespan of a HEPA filter can range from 6 to 12 months, depending on usage and maintenance.
How It Works
The PerfectPro Series integrates directly into your home's HVAC system to deliver clean, purified air throughout every room – up to 125 times per day.
Your home's return grille pulls in air from common areas like hallways or living rooms. This is where the air filtration process begins.
Four high-performance filters arranged in a unique "double-V" design provide over 170 square feet of filter media – delivering up to 50x the filtration power of standard systems.
Clean air flows through your heating and cooling system and is evenly distributed via your existing ductwork.
Shop with D&B
Shopping for a whole house air filter HEPA can be overwhelming, but with Dun & Bradstreet (D&B) on your side, you can make an informed decision.
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Frequently Asked Questions
Why are HEPA filters rarely used in homes?
HEPA filters are rarely used in homes because they significantly restrict airflow, requiring more powerful systems and additional fans to function properly. This can increase energy consumption and installation costs, making them less practical for residential use.
What are the downsides of HEPA filters?
HEPA filters have limitations in removing extremely small pollutants, such as viruses and VOCs, which can pass through their 0.3-micron filter. This means they may not provide complete protection against all airborne contaminants.
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