RS Recommends: The Best Air Purifiers That Double as Space Heaters for Cold Weather

Though they’re often seen as a “luxury item,” you should actually categorize air purifiers as a necessity when filling out any living area or workspace. That notion starts to make a lot more sense when you consider the fact that we spend about 90 percent of our time indoors and, despite conventional wisdom, the air we’re breathing can be more polluted thanks to dust, mold, and even pet dander.

The long-lasting effects of indoor air pollution, from hidden mold to smoke, can range from manageable to life-altering, which is why it might be time to invest in an air purifier. Though many will do the trick, stocking up on one that can double as a space heater or a fan makes sure that you can breathe easier inside when the temperature starts to drop.

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Here’s what you should know about buying the best air purifier with a heater so you can breathe easier and stay warm, just in time for colder weather.

How Air Purifiers Work

Air purifiers are designed to literally remove contaminants from the air by way of a circulating fan and filter. The fan works to pull in the air in the room and pushes it through a filter, where all of the pollutants are trapped, before it pushes the clean air back out into the room. Air purifiers outfitted with a HEPA filter are more equipped to trap allergens like pollen, dust, and mold, while others carbon filters remove denser particles, like smoke and odors, from the air.

If you want the most bang for your buck, invest in an air purifier that has a multi-stage filtration system so that you can have the peace of mind that comes with the air around you being as clean as possible.

Buying Guide

Size and Coverage: These devices come in many different shapes, sizes, and designs; some are designed to sit on a table or desk, while others are designed to work in much larger rooms. Make sure to compare how large your room is with the capabilities of your potential device.

Wattage: This measures the electrical power of your device. Look for a device with a higher wattage if you’re looking to have this in a larger room.

Filter: Certain filters can handle certain pollutants. Your air purifier should filter out dust, mold, allergens, and other pollutants, as well as smoke and odors.

Upkeep: In addition to making note of how often the filter(s) need to be cleaned and/or replaced, be sure to keep the actual device clean as well. Consult your unit’s manual for recommendations.

Interface and Features: Invest in a device that’s relatively simple to use and makes the experience easier, whether you’re changing the fan speed or receiving updates about the air quality via your smartphone. As we settle into autumn and prepare for the upcoming winter, it would be wise to find an air purifier that also has a space heater function to keep your space warm and clean. Bonus: A lot of today’s best new purifiers and heaters can automatically shut off in the event they tip over, so you can rest easy, even if you’re not monitoring it constantly.

Noise Level: Just because your device is working doesn’t mean you always want to hear it doing so, especially if you’re keeping this device in a bedroom. Choose a device that works quietly, or better yet has a quiet or nighttime mode to ensure it’s not keeping anyone up at night.

What Are the Best Air Purifiers With Heaters?

From Dyson to a group of top-rated purifier brands, here are our favorite picks to keep you warm and cozy this season.

1. Dyson HP04 Air Purifier Heater

Dyson-Pure-Hot-Cool-Air-Purifier-Heater- Fan-HEPA-Air-Filter-Space-Heater-and-Certified-Asthma-Allergy-Friendly-WiFi-Enabled–HP04
Dyson-Pure-Hot-Cool-Air-Purifier-Heater- Fan-HEPA-Air-Filter-Space-Heater-and-Certified-Asthma-Allergy-Friendly-WiFi-Enabled–HP04

We’ve previously raved about Dyson’s Air Purifier, which not only traps and removes pollutants (mold, pollen, and foul odors) from the air in rooms as large as 800 square feet, but heats and/or cools them as well. Additionally, the device will monitor the temperature in your room to optimize its performance based on what’s needed. For the cherry on top, connect it to your WiFi so you can control it with voice commands, or even pair it with Amazon’s Alexa.

Buy: Dyson Pure Hot + Cool Air Purifier, Heater + Fan - HEPA Air Filter, Space Heater and Certified Asthma + Allergy Friendly, WiFi-Enabled – HP04 $713.96

2. Envision Four Seasons Air Purifier

air purifier
air purifier

With a HEPA air purifier, circulator fan, heater, and a humidifier, there’s very little this 4-in-1 device can’t do. Smoke, pet dander, and other irritants are no match, circulating clean and fresh air in medium- to large-sized rooms up to three times in just one hour. That’s all while the heater and humidifier warms and moisturizes the air, which is crucial during the colder months. Thanks to the user-friendly interface, you can find your desired setting to keep your living or workspace the ideal temperature for you. There’s even a low water and tip-over sensor to ensure you’re operating the device safely.

Buy: Envion by Boneco – Four Seasons FS200-4in1 Air Purifier, Heater, Fan & Humidifier – Multiple Function with True HEPA Air Purification - Removes Odors, Smoke, Mold, Pet Dander & More $82.65

3. Blaux Space Heater with Air Filter


This space heater and air filter makes a good fit for your home, whether you need something that fits on a desk or end table, or even your luggage to take on a trip. Don’t let its small size fool you; it only needs five seconds to begin heating your space thanks to 1200 watts of heating power, while its filter traps dust, hair, and other irritants that are polluting the air in your room. Thanks to its eco-timer and several heating settings, you won’t be shocked when you get your electricity bill either.

Buy: BLAUX Heatcore Electric Portable Space Heater - 1200W Portable Heater for the Home and Small Desk Heater for Office | Small Ceramic Heater for Indoor Use | Portable Electric Heater with Air Filter $69.99

4. Dyson HP01 Air Purifier Heater

Dyson-HP01-Pure Hot-and-Cool-HEPA-Air-Purifier-Space-Heater-and-Fan
Dyson-HP01-Pure Hot-and-Cool-HEPA-Air-Purifier-Space-Heater-and-Fan

Dyson’s HP01 is small enough to fit on a desk, so its purifying and heating abilities are better suited for small rooms instead of larger ones. However, like the HP04, it’s a top-of-the-line, multifunctional air purifier and heating fan. It can capture 99.9 percent of the irritants lurking in the air you’re breathing during the day. Nifty extras like the sleep timer, oscillation, and 10 different fan speeds are also included.

Buy: Dyson HP01 Pure Hot + Cool, HEPA Air Purifier, Space Heater and Fan, White/Silver $499.00

5. Dr. Infrared Space Heater


Though its design is a bit more retro than the other options on our list, Dr. Infrared’s Portable Space Heater is every bit as effective. With 1500 watts and a dual heating system that mimics the effects of sunlight, this heater works to comfortably, and naturally, increase the temperature in your home. Helpful features include tip-over protection and an auto-shut off feature, which ensures you can stay warm without putting you or your living space at risk. Meantime, its permanent particle filter removes pesky pollutants in the air to keep you from inhaling them.

Buy: Dr Infrared Heater Portable Space Heater, 1500-Watt $121.00

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