We know dehumidifiers. We know air purifiers. What about dehumidifier and air purifier all in one unit? Having both a dehumidifier and air purifier combo is quite useful (in theory). With the best dehumidifier and air purifier combo you should get: All the benefits of a dehumidifier. That means you will be able to lower … Read more
Airborne allergens. If you have an allergy or are prone to allergies, your best bet is to reduce airborne allergens such as dust, pollen, dust mites, and animal dander as much as possible. How do you do that (if it’s even possible)? The best way to reduce indoor air pollutants is by choosing the best … Read more
Mounted on the wall. That’s the best position for an air purifier. Wall-mounted air purifiers have the best access to indoor air and utilize the existing airflow most thoroughly. With the best wall-mounted air purifier, you can increase the efficiency of the air purifier by as much as 20% (perfect placement). On top of that, … Read more
A gram of activated carbon can have a surface area in excess of 5,400 sq ft, with 32,000 sq ft being readily achievable. (Wikipedia On Activated Charcoal) Pretty much every air purifier has an activated carbon filter. What does it do and what does “activated” actually mean? We’ll look into what an activated carbon filter … Read more
Air purifiers are powered by electricity. As with any electric appliance, we need to take the power consumption of air purifiers into the account. One of the most common questions about air purifiers is this: Do air purifiers use a lot of electricity? It’s recommended to run an air purifier 24 hours per day. That … Read more
Here is the basic distinction between HEPA and HEPA filters: HEPA is a standard, developed by DOE. HEPA stands for High-Efficiency Particulate Air. Filters that meet that standard are referred to as HEPA filters. HEPA filters are nothing more (or less) than filters that meet the HEPA standard, put forward in 1983 by the US … Read more
“When inhaled, ozone can damage the lungs. Relatively low amounts of ozone can cause chest pain, coughing, shortness of breath and, throat irritation.” (EPA on ‘Ozone Generators that are Sold as Air Cleaners’) We all know the ozone layer. It’s the protecting shield in the Earth’s stratosphere. That’s the good ozone. What is the ‘bad’ … Read more
CFM or Cubic Feet per Minute is a unit for airflow we use in HVAC calculation. Most commonly, we need to calculate CFM for a room for fans, air purifiers, air conditioners, and so on. Example of a question LearnMetrics’s received: We have a 300 square foot standard bedroom. How much CFM should a fan … Read more
Here’s the outtake: Air purifiers clean the air, humidifiers make the air wetter when it’s too dry. There is some confusion when it comes to air purifiers vs humidifiers. Some people even wonder if an air purifier is the same thing as a humidifier, ie “Is an air purifier the same as a humidifier?” An … Read more
Where to place an air purifier? In the bedroom, of course. According to the EPA, we spend up to 90% of our time indoors (alongside the 2x to 5x more polluted air than outdoors). At least 8 hours per day is spent in the bedroom (if we’re lucky). That’s why bedroom air purifiers are the … Read more