At HVAC.com, our writers create solutions that put you in control of your HVAC system. Our product reviews and recommendations are researched and backed by real buyers and industry experts, not dictated by our partners. Alen® Classic is whisper-quiet, even in your largest spaces. And that’s important for a purifier that lives where you do.
How do I calculate the air exchanges with the added HEPA filters in the rooms? 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. Even though the sound of subtle white noise can help soothe you to sleep, it’s not necessary for an air purifier to make it.
No matter your primary air concerns or budget, there’s an air purifier out there that’s perfect for you. The company works with the Asthma and Allergy Foundation of America to certify air purifiers as an allergy- and asthma-friendly, ensuring consumers find products that actually work. Lasko Box Fan Alen offers four different HEPA air filters to meet your clean air needs. All four remove dust and allergens, but each is uniquely designed to combat other airborne concerns, from mold to pet dander to smoke and more, so you can live your best no matter your specific situation.
Already powerful enough to purify up to 465 square feet of space, this heavy-duty air purifier also offers a “turbo” setting that quickly captures pet dander, pollen, dust, mold, and smoke. It sends polluted air through a carbon pre-filter and a HEPA filter, before recirculating the air back into your space up to five times an hour. The pre-filter that captures dust, lint and fur is washable so you can save on replacing it.
Finally, it’s important to buy an air purifier with enough power to actually clean your space—otherwise, Dr. McKeon warns that your space may not be cleaned properly. He suggests looking at the model’s clean air delivery rating to determine whether it’s strong enough for the intended space. Just slide the wattage slider to ‘5000’ and voltage slides to ‘220’ and you get ‘28.41 Amps’. alen breathesmart Therefore you need a circuit breaker with at least 28.41A ampacity. It’s followed by a more economic high-efficiency activated carbon filter before you arrive at the core of the unit, the HEPA filter. The purifier has a sensor that will notify you when it’s time to replace the filters, saving you money over time by extending how long you can use the system without guessing.
KVA to kW is one of the basic conversions in electric engineering. If you want to analyze different electric appliances on an AC circuit, you need to convert kVA to kW. Braelyn Wood is the e-commerce lead for all health and wellness Lasko Box Fan content at Meredith. Based in New York, she covers all things product in the form of reviews, gift guides, and roundups. Prior to joining Meredith, her work was featured in Refinery29, Cosmopolitan, Bustle, and Romper.
As its name suggests, the Alen BreatheSmart FLEX is designed for flexibility a perfect fit for purifying the air in any medium-size room. That also means that the #14 AWG wire with 20A ampacity is not sufficient for a 20 amp circuit. The perfect wire gauge of a 20 amp breaker is the #12 AWG wire. This is a bigger wire with 25A ampacity and can handle 20 amp current while also satisfying the NEC 80% rule for safety.
For example, you can either have a 1-meter or a 10-meter duct, it doesn’t really matter. What matters is that you have sufficiently large cross-section that can handle that airflow. Using this duct CFM chart, you can properly estimate how big ducts you need to deliver the airflow needed. This comes quite useful when you are trying to figure out which HVAC units to buy.