While an HVAC system offers some air filtration, it doesn’t filter out every particle of dust, pollen, or pet dander. Mold spores, smoke, odors, and other pollutants and potential toxins may exist in your indoor air, where they can be many times more concentrated than outdoors. An air purifier can remove these and improve comfort, help alleviate allergies, and reduce the risk of respiratory and other illnesses. In this article, we will answer the question, “How do air purifiers work?” to show you their potential benefits.
An air purifier is an appliance that sucks in air via a fan and re-circulates it in a cleaner form. It can have one or multiple filters. These filters can be made of paper, fiberglass, or mesh. Some filters must be replaced as they fill up, while others are reusable and washable (however, they require substantial maintenance, but are effective at removing larger particles).
Filtration is an important aspect of air purifiers, but a purifier is much more than a filter. Some models act as air sanitizers as well. For example, air particles can be neutralized when ultraviolet light (UV) filters are integrated into the unit. UV light can destroy bacteria, mold, and other biological impurities. Without a special filter or sanitizing system, an air purifier will struggle to trap particles much smaller than 5 microns in size (high-efficiency filters can remove particles as small as 2.5 microns).1
*While coronavirus (COVID-19) particles measure about 0.1 microns, they’re usually bound to water droplets, aerosols, and other larger particles, so can be removed by air purifiers.
A standard air filter struggles to remove volatile organic compounds (VOCs), radon, and other gases. Off gassing from household cleaning products, paints, and adhesives isn’t captured by most air purifiers either. That’s unless a High Efficiency Particulate Air (HEPA) filter is used. It’s made of fine fiberglass threads and is pleated and sealed in a frame made of plastic or metal.
HEPA filters capture particles of various sizes, including VOCs, ozone, carbon monoxide, nitrogen dioxide, and sulfur dioxide when used in combination with UV light and air scrubbers.
But an air purifier won’t remove or neutralize particles stuck to walls (and other hard surfaces) or sitting on carpeting, furniture, bedding, and other soft surfaces.
When asking, “How do air purifiers work?” and deciding on the best one for your home, it’s also important to consider the following:
Nexgen offers three different types of air purifiers. These include filter-based systems with electrically charged flat filters to capture large particles, extended media filters that remove dust and debris, and ultraviolet filters. In addition, we offer duct-based air purification systems designed to filter impurities from air as it passes through air ducts. Lastly, our stand-alone systems install in a closet or attic and are connected to your HVAC system via air intakes. Our licensed technicians can perform any installation for you, while your budget and air quality needs are addressed as part of our X protects standard.
To learn more or have an X-purification system installed in your home, contact Nexgen HVAC & Plumbing at 833-729-9735 today!
Whether keeping your home cozy in the winter or cooling your office in the summer, HVAC systems are a part of everyday life.
Your HVAC (heating, ventilation, and air conditioning) system is the system or combination of system used to provide a comfortable temperature in your home and maintain high levels of air quality. As a homeowner, it is important to understand the key roles your HVAC system plays and how they operate to get the most out of your system.
The heating component of your HVAC system provides a warm climate for your home in the cooler months of the year. Today, the most popular type of heating system is the forced air system, but many homes also use radiant heat systems and geothermal heating systems, among others. In all the systems, heat is created at a central source and distributed through the home via different means.
These systems use a furnace to heat the air and then disperse it through the house via ductwork and in-room vents.
These use heating stoves or a boiler to disperse heat through the house via a network of electric heating coils or hot water tubing installed in the floor or ceiling.
Your HVAC system plays a vital role in maintaining your home’s indoor air quality. Ventilation helps circulate and purify air, control moisture levels, remove unwanted smells, and prevent air stagnation.
Depending on the age of your home and the HVAC system you have, this may be done either mechanically, naturally (via fans and windows), or through a combination of the two.
Forced air systems, discussed above, pass the air in your home through an air filter to keep airborne particulates, volatile organic compounds (VOCs), and allergens out of your home. If you do not have a fixed air system, this can also be done using tools like air cleaners, air purifiers, humidifiers, and dehumidifiers.
Understanding how your system keeps your home ventilated is the first step to addressing any breathing or allergy issues you and your family may be encountering throughout the year.
Your HVAC system is also in charge of keeping you cool during the warmer months. There are several several types of AC units, each with their own pros and cons. Whether you have central air (used in conjunction with forced air systems), split or ductless AC units, window AC units, or portable AC units, the process that each system uses to cool your home is similar.
Your AC system circulates refrigerant that changes from gas to liquid as it collects and expels heat from your home. It passes warm vapor refrigerant through the compressor where it becomes hot refrigerant vapor and moves to the condenser. Here, the hot vapor is cooled as air from the condenser fan passes over finned coils and turns into hot liquid. The hot liquid passes through the expansion valve that creates a low pressure, cool liquid mist that runs through the evaporator coil.
As the cooler liquid mist evaporates, it absorbs heat from your house’s inside air and returns it to the compressor (restarting the process). This absorbed heat is pushed outside by the system, resulting in a cooler home.
Now that you understand the roles your HVAC system plays in your life, you will be better prepared to maintain your system, learn more about your system, determine what your system is missing, and purchase a new system if the time comes.