Do you want cleaner air in your home? Are you trying to eliminate dust, pet hair, and other pollutants? A whole home air purifier may be exactly what you need. An air purifier is installed onto your air conditioning unit. As air is recirculated through the unit, the purifier extracts all those harmful pollutants. There are a variety of different purifiers available, so it's important that you do your research before you choose one. Here are a few important things to look for in your air purifier:

Efficiency rating. Ultimately, you want the purifier that will deliver the most clean air possible to your home. This is measured by something called clean-air delivery rate, or CADR. That number should be prominently displayed on every purifier that you look at. The higher that number is, the more clean air you'll get. Purifier prices usually go up with CADR levels, so you may have to balance the CADR level with your budget.

Also, assume that you won't be able to run the purifier at its highest possible CADR level. Purifiers can be noisy. If you have to run the purifier at full-speed to get the amount of clean air you want, you may also have to tolerate a great deal of noise, especially in the room closest to your air conditioning unit.

Service indicator. Cleaners and purifiers work best when they're clog-free. Just like an air filter, an air purifier gets dirty over time. You need to regularly clean them to keep them effective. It can sometimes be hard to know when your purifier needs to be cleaned. Many models have indicator lights that tell you that your purifier needs servicing. If possible, get a purifier with one of these lights. It can help you keep your purifier clean and well-maintained.

Air quality monitor. Chances are that your air doesn't have the same level of pollutants all the time. In the summer, your dog may spend more time outside, reducing the amount of dander in your air. When you're at work and your kids are at school, there may be less dirt and dust in the air. During these times, you don't need your purifier working at full speed. 

A purifier with a variable fan and a monitor can self-adjust to your air's pollutant levels. When levels are high, it can operate at a higher speed. When pollutants are low, the purifier can slow down or even shut off. This feature can make your purifier more efficient and reduce the noise level.

Talk to an HVAC contractor, like Snipps Heat & Air Inc, about your needs and budget. They can help you find the unit that's best for you.

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