Air Dehumidifier vs Air Purifier

Compare dehumidifiers and air purifiers. Learn which appliance is best for improving air quality and controlling humidity in your living space.
Explore Air Purifiers
3 min
18-Oct-2024
Choosing between an air dehumidifier and an air purifier depends on what you aim to improve in your living space. A dehumidifier is perfect for controlling humidity and preventing mould growth, while an air purifier helps remove pollutants, allergens, and odours from the air. Both devices play a crucial role in improving indoor air quality, but their functions differ.

If you are interested in air purifiers, take a moment to check it out on Bajaj Mall. Once you have gathered all the necessary details, head to any of Bajaj Finserv’s 1.5 lakh partner stores across 4,000 cities in India to discover a wide selection of products. Choose the model that best fits your needs and take advantage of zero down payment offers, making your purchase more affordable by converting the cost into Easy EMIs.

Air dehumidifier vs air purifier: Which one do you need?

When deciding between an air dehumidifier and an air purifier, it is important to understand their distinct functions. An air purifier with a humidifier reduces humidity by extracting excess moisture from the air, making it ideal for preventing mould and mildew. On the other hand, a room air purifier focuses on improving air quality by filtering out allergens, dust, smoke, and pet dander. If you live in a humid environment, a dehumidifier is beneficial. For allergy relief and cleaner air, an air purifier is the best choice.

Air dehumidifier vs air purifier: key differences

FeatureAir DehumidifierAir Purifier
FunctionRemoves moisture to reduce humidity.Filters out allergens, pollutants, and odours from the air.
PurposeIdeal for damp environments and preventing mould growth.Best for allergy relief and improving overall air quality.
Impact on air qualityControls moisture levels, creating a healthier environment.Improves air quality by removing pollutants and allergens.
Use casesBest for high-humidity areas and musty spaces.Suitable for all spaces to enhance breathability and reduce irritants.


Looking for a new angle? Discover what is available by exploring portable air purifiers.

Comparison: air dehumidifier vs air purifier

FeaturesAir dehumidifierAir purifier
Primary functionRemoves moisture from the airFilters air pollutants and allergens
Suitable forReducing humidity, preventing mouldReducing allergens, dust, and odours
Noise levelCan be moderate to quietUsually quiet, varies by model
Filter maintenanceMay not require filtersRequires regular filter replacement
Energy consumptionModerate, depending on moisture levelsVaries by model, typically low to moderate


Curious about exploring other alternatives? Check out the Xiaomi air purifier option for a unique approach.

Choosing between air dehumidifier and air purifier: a detailed comparison

Choosing between an air dehumidifier and air purifier: The decision depends on your home's specific needs regarding humidity and air quality.

Air dehumidifier:

  • Best for reducing humidity and preventing mould growth in damp areas.
  • Extracts moisture from the air, creating a drier and more comfortable living environment.
  • Particularly beneficial for spaces prone to excess humidity.
  • Not as effective at removing airborne pollutants like dust, pet dander, or pollen.
Air purifier:

  • Designed to cleanse the air by capturing and eliminating pollutants, allergens, and odours.
  • Ideal for those with allergies, asthma, or sensitivities, as it improves overall air quality.
  • Uses technologies like HEPA filters and carbon filters to trap fine particles and improve breathability.
  • Focuses on air purification rather than moisture control.
Combined use:

  • If your living space suffers from both high humidity and poor air quality, using both an air dehumidifier and an air purifier is recommended.
  • The dehumidifier creates a dry, mould-free environment, while the air purifier ensures that the air is clean and fresh.
  • Choose the appliance based on your primary need or use both to address humidity and air quality for optimal comfort and health.
If you are in search of different options, explore the best air purifier in India for a refreshing change.

Explore purifiers and dehumidifiers on EMI with Bajaj Finserv

Check the attributes and in-depth specifications of fryers on Bajaj Mall. Once you have gathered all the necessary details, visit the nearest Bajaj Finserv partner store to pick your preferred products. Complete your purchases with Bajaj Finserv’s financing options, which set a predefined spending limit. You have the flexibility to pick a repayment period that fits your budget, allowing for Easy EMI payments. Bajaj Finserv also offers financing solutions for electronic purchases.

Benefits of shopping with Bajaj Finserv’s financing options

  • Affordable pricing: Get the best deal on purifiers and dehumidifiers at Bajaj Finserv’s partner stores, allowing you to enjoy quality at a price that fits your budget.
  • Easy EMIs: Purchasing your purifier is now convenient with Bajaj Finserv’s Easy EMIs, letting you spread your payments comfortably over time.
  • Zero down payment: Take home your desired product today with zero down payment and start enjoying it without worrying about upfront costs.
  • Wide range and accessibility: Explore a comprehensive collection of purifiers and dehumidifiers at Bajaj Finserv’s partner stores, giving you extra savings.
  • Special deals and cashback: Take advantage of exclusive offers and cashback when you buy your air purifier through Bajaj Finserv’s financing options.
  • Complimentary home delivery: Selected air purifiers and dehumidifiers come with the added benefit of free home delivery, ensuring a hassle-free shopping experience.

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Frequently asked questions

Do dehumidifiers remove dust?
Dehumidifiers primarily remove moisture from the air to control humidity levels, but they are not designed to effectively capture or remove dust particles. While some dehumidifiers may have a basic filter to trap larger airborne particles, they are not efficient at dealing with fine dust or other allergens. For comprehensive dust removal and improving air quality, an air purifier equipped with a HEPA filter is much more effective, as it can trap small particles like dust, pollen, and pet dander.

Does a dehumidifier filter the air?
A dehumidifier's main function is to reduce humidity levels in your home by extracting moisture from the air. Although some models come with a basic filter to catch large particles like hair and lint, this filter is not designed to clean the air of smaller pollutants. Therefore, while a dehumidifier may slightly improve air quality by reducing moisture and preventing mould growth, it does not purify the air like a dedicated air purifier. For thorough air filtration, especially to remove allergens, odours, and pollutants, using an air purifier is recommended.

Is a dehumidifier or air purifier better for allergies?
When it comes to allergy relief, an air purifier is generally the better choice. It captures and removes airborne allergens like pollen, pet dander, dust mites, and mould spores, making the air more breathable and reducing allergy symptoms. A dehumidifier can also aid in managing allergies by reducing humidity, which helps prevent mould and mildew growth—common triggers for allergic reactions.

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