Do Home Air Purification Systems Work?

Many of our customers are worried about the quality of the air in their homes. Increasingly, our homes have become our havens. We’re spending more time at home than ever before. Eating at home, working in a home office, helping our kids with their distance learning classes, and working out in a home gym have all become the norm in 2020 and into 2021. It’s only natural that we’re more concerned about the safety and cleanliness of all aspects of our home than ever before.

We’ve had a lot of inquiries about home air filtration and home air purification systems, and we wanted to share the answers to the top questions about in-duct whole home air purification systems

What are home air purification systems?

There are several types of air filtration systems. The most effective air purification systems are designed to work with your heating and cooling systems to filter the air throughout your entire house. When we talk about air purifications in the rest of this post, these are the systems we’ll be referring to.

  • In-Duct Air Purification
    Installed into the supply plenum of your existing air conditioning or heating system air ducts, this type of system kills up to 99% of viruses, bacteria, and mold while reducing airborne particulates like dust, dander, pollen, and mold spores.
  • Whole-House Filtration
    Capable of removing up to 99.98% of particles and allergens, this type of system catches particles down to 0.1 micron in size, and is 100 times more effective than a standard one-inch throwaway filter.
  • Whole Home Micro-Particle Air Cleaner
    Part of a new generation of Hybrid Polarized Media Air Cleaners that combine two cleaning processes to maximize air cleaning efficiency, this type of system can help with respiratory conditions related to poor indoor air quality by removing the most troublesome particulates from indoor air, including dust, animal dander, pollen, airborne mold, viruses and more.

Our advisors can recommend the type of air purifier that will work with your existing heating and air system as well as best meets your needs.

Do home air purifications systems work? And if so, how effective are they?

Yes! High-quality in-duct whole home air purification systems  are remarkably effective tools that keep the air in your home fresh, clean, and pure.


  • Reduces 93.7% of dust, dander and pollen
  • Destroys 93.6–99% of germs, bacteria, and viruses
  • Removes 80% of VOCs
  • Eliminates 88% of odors

Will home purification systems kill germs, bacteria and viruses? Do they clean dust and pollen from the air? And can they eliminate odors?

Depending on the type and quality of the system, whole home air filtration systems can kill germs, bacteria, and viruses, as well as cleaning dust and pollen from the air and eliminating odors.

Top-rated HEPA and HVAC air filters are great, but only remove larger dust, mold, and other particle pollutants and can’t remove the smaller, more dangerous microbes, mold spores airborne bacteria, virus or germs. UV (ultraviolet light) air cleaners provide germicidal air treatment, killing black mold spores, mildew, bacteria, viruses and other germs while they are in the furnace ducts. They are very good for getting rid of household odors and musty air handler smells, too. By installing a quality germicidal UV light air purification system with 36 watt bulbs in the ducts of your air conditioner, heating or HVAC system, you will have a lab-proven way to destroy and control those harmful indoor air pollutants before they get blown throughout your home.

Air conditioner-based whole house UV light air cleaners use lab-grade lamps that produce lab-grade UV-C light rays and ions which destroy the nucleic acids of micro-organisms disrupting their DNA with UV radiation, leaving them unable to perform vital cellular functions, effectively killing them and the musty smells they produce. Top rated HVAC duct mounted UV light air purifiers (in addition to having a particle filtering system) are one of the best ways of sanitizing the air of homes, reducing airborne illnesses, colds, allergies, asthma attacks, odors and other health issues caused by bacteria, viruses, germs, black mold and mildew. Most people with allergies find that their symptoms are eliminated after as little as 24-48 hours after just the installation of a germicidal duct mounted UV light air cleaner in their air conditioner or furnace system. And many customers will buy UV light treatment systems to work together with an air handler-based filtration system for maximum odor and air quality control.

There are many whole house UV light air purifier systems on the market, but they are NOT all the same. The wattage of the UV lamp has a lot to do with how effective it is. UV indoor air cleaners with ultraviolet light bulbs less than 36 watts are not strong enough to kill microbes or many of the odors found in most homes and air conditioning systems. This is because UV light lamps that are less than 36 watts do not provide a large enough dose of light rays or ions to destroy mold, bacteria and smells found in furnace ducts and air handlers. Laboratory tests have shown that quality DIY germicidal UV air cleaners with light bulbs of 36 watts are strong enough to kill and control over 99% of the airborne bacteria, viruses and molds (even black mold). The UV air treatment systems on the market with 60 watt bulbs are overkill and will increase your electric bill unnecessarily. For best results and maximum germicidal action, we recommend that you buy a top-rated USA-made HVAC duct mounted UV air treatment system and combine with a whole house filtration system.

How do home air purification systems work?

In-duct whole home air purification systems use a 3-in-1 package that keeps the air in your home fresh, clean, and pure. Professional HVAC installers, like Rocky Mountain Services, install the air purification system onto an existing HVAC system.

As air enters the system, it is filtered with a MERV 13 Filtration Media. This pleated 4 inch filter traps particles as small as .3 micron including mold, bacteria, dust, dander, and pollen.

After the filter, the air must pass through an Ultraviolet C (UVC) Germicidal Treatment Zone guarded by two powerful 24” UVC germicidal lamps. These lamps neutralize airborne microbes such as bacteria, viruses, mold, and fungi.

The final phase uses a Photo-Reactive Oxidation Process. When the aluminum honeycomb cells are exposed to the UVC germicidal light, the extensive surface area transforms the odors and volatile organic compounds (VOCs) into harmless, odorless water vapor and carbon dioxide. The cell core is maintenance-free and never needs replacing.

  • Step 1: MERV 13 High Efficiency Filtration traps particles including mold, bacteria, dust, dander, and pollen.
  • Step 2: UVC Germicidal Purification neutralizes bacteria, viruses, mold and fungi.
  • Step 3: Honeycomb cell panel eliminates toxic VOCs and odors.

Are air purification systems afordable? 

Since whole house air filtration ties into your existing heating and cooling systems, it is very efficient to run. Operating whole house air filtration systems only cost about 7 cents per day. 

At Rocky Mountain Services we belive that investing in your health and home safety is always a wise investment. We offer affordable monthly plans to help our customers have access to the clean air benefits that we feel everyone deserves.


High-quality, in-duct whole house air filtration systems equipped with the proper UV light technology can be highly effective at eliminating viruses, germs, bacteria, mold, pollens, and other odors and irritants.


  • Ultraviolet light kills disease germs on contact
  • MERV filters remove allergens electrostatically
  • Photo-catalytic oxidation destroys toxic chemicals and eliminates household odors
  • Affordable investment options and low cost to operate


Call us today to experience superior indoor air quality in every room of your home or office for chemical-free, allergen-free, odor-free, germ-free living!