Yes, for optimal air quality, you should keep your HEPA filter running continuously. Indoor air pollutants are constantly introduced or re-circulated through cooking, foot traffic, and pets. Running the unit 24/7 ensures these contaminants are consistently captured before you can inhale them.
No, standard air purifiers do not physically remove moisture from the air. They merely cycle air through filters (like HEPA and carbon) to trap pollutants. However, the continuous airflow from the device's fan can increase evaporation from your skin and nasal passages, making the air feel drier.
Yes, it is perfectly safe and highly recommended to leave a HEPA air purifier running continuously. Because indoor pollutants like dust, pet dander, and cooking particles are constantly generated and unsettled, running the unit 24/7 is the most effective way to maintain clean air.
Yes, air purifiers can help contain norovirus, primarily by capturing the airborne viral particles created when an infected person vomits. While handwashing and surface disinfecting are the most critical steps, an air purifier offers a helpful extra layer of protection.
For chemotherapy patients, the ideal air purifier must have a True HEPA filter (to capture microscopic pathogens and allergens) and an activated carbon filter (to neutralize VOCs and chemical odors that trigger nausea). Top clinical-grade choices include:
Cleaning for a chemotherapy patient requires balancing a germ-free environment with a chemical-free atmosphere. Because chemotherapy compromises the immune system, you must rigorously disinfect high-touch areas, but you must also use gentle, non-toxic products to protect the patient from harsh fumes and nausea.
Top 5 True HEPA Air Purifiers
To effectively kill norovirus, use a diluted household bleach solution (1,000 to 5,000 ppm) or an EPA-Registered Antimicrobial Product specifically labeled for norovirus. Alcohol-based hand sanitizers and standard multi-surface cleaners are not effective.
Helps you sleep better
It's common to suffer from congestion, sneezing and coughing when you have cold and flu, which can cause sleep disturbances. By reducing airborne irritants, air purifiers can make it easier for you to breathe and promote better rest.
To avoid getting sick when living with sick people, prioritize isolating the ill individuals, boosting ventilation, cleaning high-touch surfaces daily, and strict hand hygiene. Designate a single caregiver, wear masks in shared spaces, and avoid sharing items like towels, utensils, or bedding.
This is why most manufacturers will recommend you to leave your air purifier running all day, especially if it comes equipped with an automatic setting. This setting allows your device to monitor the quality of your air in your home for you and to adjust its speed depending on the levels of pollutants that it detects.
HEPA filters effectively trap small particles, but their primary disadvantages include high maintenance costs due to regular replacement (every 6–18 months), noise from high-powered fans, and an inability to remove gases, odors, or volatile organic compounds (VOCs). They can also restrict HVAC airflow, leading to increased energy consumption.
Run your air purifier continuously on "Auto" mode with doors and windows closed. Place the unit at least 12 to 15 inches away from walls or furniture to avoid blocking airflow, and point the clean air stream toward your breathing zone.
Air purifiers do not actively remove moisture from the air, but their fans circulate air which increases evaporation. This airflow can dry out your nasal passages and worsen sinus irritation—especially if you sit directly in the breeze or live in an already dry climate.
Yes. Humidity at 70% or above can make your bedroom feel sticky and uncomfortable, interfere with REM sleep, and increase wakefulness. High moisture levels also encourage mould, mildew, and dust mites, which can worsen allergies and respiratory issues, particularly during cooler months when ventilation may be limited.
Yes, air purifiers can be highly beneficial for managing COPD (Chronic Obstructive Pulmonary Disease). By removing airborne irritants like dust, pet dander, and smoke, they reduce the triggers that cause coughing and shortness of breath. They can even improve cardiovascular health markers associated with the disease.
You likely need an air purifier if you or your family members experience chronic allergy symptoms (sneezing, itchy eyes), have respiratory conditions like asthma, share your home with shedding pets, notice persistent cooking or musty odors, or live in an area with high outdoor pollution or wildfire smoke.
The worst day of a cold is anytime between days four and seven. You may develop other symptoms, in addition to what you're already experiencing, such as a headache, body aches, fatigue and a low-grade fever. Stage 3: This is the late stage of your cold when you begin to recover.
The ideal distance to place an air purifier from your bed is 3 to 6 feet. This allows the unit to clean the air in your breathing zone without disturbing you with direct drafts or fan noise.
No. Most standard, non-bleach Lysol disinfecting wipes will not effectively kill norovirus. Norovirus is a "non-enveloped" virus, making it highly resistant to the active ingredients (like quaternary ammonium or alcohol) found in most common household wipes.
Hand sanitizer doesn't protect against Norovirus. Wash your hands thoroughly with soap and water for the best defense!
Norovirus is highly contagious and can be spread from the moment you start feeling ill, but you are most contagious while symptoms are present and for at least 48 hours after they completely stop.
The Levoit Vital 200S is widely considered the top overall pick for most homes. Balancing affordability (around $160), powerful particle removal, and smart app features, it easily cleans spaces up to 360 sq. ft. It includes a washable pre-filter and a pelleted activated carbon filter for household odors.
A dirty air filter also restricts airflow, causing your HVAC system to work harder and circulate pollutants throughout your home. Instead of protecting your indoor air quality, an old, clogged filter can become a source of contamination, putting your family's health at risk.
Consumer Reports named Blueair the top-rated air purifier brand overall, highlighting its superior particle removal at both high and low fan speeds, quiet operation, and excellent predicted reliability. Standout models evaluated highly by industry experts include the Blue Pure 211i Max and the Levoit Core 200S.