I Purchased a Smart Air Purifier that’s Rated for 220V. How Can I Use it with a 110V Power Supply, for example in the USA?

Most of our air purifiers come in both 220V and 110V versions.

220V versions are suitable for running on mains power supplies in most of Europe, Australia and Asia. The 110V versions are suitable for North America (USA, Canada), Mexico, Japan, Taiwan and other regions using 110V mains power supplies.

However, some of our air purifiers (the Blast Mini) currently do not have a 110V version. This article explains what to do if you purchased a 220V purifier but want to use it with a 110V mains power supply.

How can I use my 220V air purifier with a 110V or 120V mains power supply?

If you purchased a 220V Smart Air purifier and wish to use it with a 110V or 120V mains power supply, you must use a ‘step up’ voltage transformer. This converts the mains voltage of 110V or 120V to 220V, so it is compatible with the air purifier.

Voltage converters and plug adapters are easy to find on Amazon, Home Depot, or Target. Be sure to choose a ‘step up’ voltage transformer that takes 110/120V as the input, and outputs 220V. For the Blast and Blast Mini, we also recommend a voltage converter with a minimum power rating of 200W. For the Sqair, we recommend a voltage transformer with a minimum power rating of 100W.

Several examples of voltage transformers for air purifiers can be found here and here.


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Smart Air is a social enterprise that creates simple, no-nonsense air purifier and provides free education to protect people’s health from the effects of air pollution. We are proud to be the only certified B-Corp dedicated to fighting air pollution.