Skip to content

Air Quality & Ventilation · Accessories & Add-ons

Air Purifiers: What Else You'll Need

By the Nest & Yard editorial teamUpdated 2026-08-093 min read

Our pick: the WINIX 5500-2 Air Purifier for Home Bedroom, CADR 390m³/h, Carbon & HEPA Filters, Smart Sensor, Sleep Auto Mode — the best Air Purifiers we tested, from £159.00.

Investing in an air purifier can make a real difference to the quality of air inside your home, particularly if you’re sensitive to allergens or live in a busy area. However, it's easy to overlook the smaller accessories and ongoing consumables that will significantly impact how effectively your purifier works and its longevity. This guide explores commonly needed items – from mounting solutions and filter replacements to protective cases and charging cables – ensuring you have everything for optimal air purification.

See the full range in Air Purifiers.

Pros

  • Extremely high review count reflects long-standing bestseller status
  • CADR of 390m³/h suits larger living rooms and open-plan spaces
  • PlasmaWave and washable AOC carbon filter combine odour and particle control

Cons

  • Larger unit takes up more floor or shelf space than compact purifiers
View on Amazon →
Levoit Smart HEPA Air Purifier for Bedroom Home, Core 200S
Best Value

#2 Pick

Levoit Smart HEPA Air Purifier for Bedroom Home, Core 200S
Rated 4.6 out of 5 stars (23,156)
  • Smart Auto Mode

£99.99

Pros

  • Huge review base reflects strong long-term reliability
  • Smart app and voice control add convenience
  • True HEPA filtration suits allergy and pet-hair households

Cons

  • Replacement filters add to ongoing running cost
View on Amazon →

Pros

  • Compact design suits bedrooms, nurseries and small offices
  • True HEPA filter targets dust, pollen and pet dander
  • Very high review count reflects proven reliability

Cons

  • Coverage area is limited to smaller rooms
View on Amazon →

Pros

  • H13 HEPA 3-stage filter tackles pollen, smoke and pet fur
  • Very high review count reflects strong bedroom purifier reliability
  • Low 5W energy use and 22dB quiet mode suit overnight running

Cons

  • Aroma pad function only works with compatible essential oil pads
View on Amazon →

FAQ

What filters typically come included with an air purifier?

Most air purifiers include a pre-filter to capture larger dust and pet hair, and a HEPA filter for fine particulate matter. However, some models only provide the HEPA filter initially, requiring you to purchase replacement pre-filters separately.

Do I need to buy replacement filters regularly?

Absolutely; HEPA and activated carbon filters degrade over time, reducing their effectiveness. Replacement frequency depends on usage – typically every 6-12 months, but check the manufacturer's recommendations.

What’s the best way to clean an air purifier’s pre-filter?

Regularly tap the pre-filter against a dustbin or use a vacuum cleaner with a brush attachment to remove accumulated dirt and debris. Avoid washing as this can damage the filter material.

Are activated carbon filters essential for odour removal?

Yes, activated carbon filters are designed to absorb volatile organic compounds (VOCs) that cause smells. Ensure your chosen purifier includes one for optimal odour control – some only use HEPA filters.

Should I buy a dedicated air purifier cleaning brush?

While not always essential, a small brush can be useful for gently dislodging dust from the exterior of the unit and around the filter access panels, preventing buildup.

What about UV-C light purifiers – do they need special bulbs?

Some air purifiers incorporate UV-C light technology to kill bacteria and viruses. These units require periodic replacement of the UV-C bulb, so check the manufacturer’s specifications for compatibility.

Are extra fan blades needed for larger models?

Larger air purifier units may have a higher airflow requirement. Ensure your chosen model has sufficient CFM (cubic feet per minute) rating for your room size to achieve effective purification.

Do I need to purchase a carrying case for portability?

This is purely down to personal preference; however, some larger models can be bulky and difficult to move around. Consider purchasing a carrying bag if you plan on relocating the unit frequently.

Are there any specific cleaning solutions suitable for air purifier parts?

Use only mild soap and water when cleaning the exterior of the air purifier. Avoid harsh chemicals or abrasive cleaners that could damage the plastic components.

What’s the typical lifespan of an activated carbon filter?

Activated carbon filters have a limited lifespan, generally lasting between 3-6 months depending on usage and room conditions. Replacement is crucial for maintaining optimal air quality – consult the manufacturer's guidelines.

In depth

Air purifiers are fantastic devices for improving indoor air quality, particularly in homes with pets, those sensitive to allergens, or simply looking for a fresher environment. However, the initial purchase of the purifier itself only represents part of the investment. Many buyers underestimate the ongoing needs and supplementary items that significantly enhance its performance and longevity. It’s crucial to consider what's *actually* included in the box alongside your chosen air purifier and what you’ll likely need to acquire separately to maintain optimal operation.

Filters are undoubtedly the most critical consumable component. Most purifiers come with a basic set of filters – typically including a pre-filter, which catches larger particles like dust and pet hair, and an activated carbon filter designed to absorb odours and gases. However, these initial filters often have a limited lifespan, dictated by usage patterns and air quality conditions. The pre-filter will require more frequent cleaning or replacement if you live in a dusty environment, while the activated carbon filter needs replacing every 3-6 months depending on how heavily it's used. It’s vital to understand the manufacturer’s recommendations for filter replacement; ignoring these can drastically reduce the purifier’s effectiveness and potentially lead to premature wear of other internal components. Check what type of filters are compatible with your model – some use disposable cartridges, while others employ washable HEPA filters requiring periodic cleaning.

Beyond the core filters, consider the potential need for additional filtration stages. Some high-performance air purifiers offer features like ionizers or UV-C light purification alongside the standard HEPA and activated carbon systems. These supplementary technologies may require specific consumables – replacement bulbs for UV-C units, or electrolyte solutions for ionizer pads – which aren’t always included in the initial package. Researching these optional additions ahead of purchase can prevent unexpected costs later on. Furthermore, be mindful of filter dimensions when considering replacements; ensuring compatibility is crucial to avoid purchasing unsuitable filters.

Maintenance extends beyond just replacing filters and it's worth budgeting for regular cleaning supplies. Many air purifiers accumulate dust on their exterior surfaces, particularly the fan blades and grills. Regular dusting with a soft cloth will maintain airflow and prevent reduced performance. Depending on your environment, you might also need specialized cleaning solutions designed for electronic devices to safely clean sensitive components. Avoid using harsh chemicals or abrasive cleaners that could damage the purifier’s housing or internal mechanisms – always consult the manufacturer's instructions before commencing any cleaning procedure.

Another often overlooked element is airflow management. Air purifiers operate most effectively when air can circulate freely around them. Many units are designed to be placed on a stable surface, but consider whether you need additional accessories to optimise their placement. This might involve purchasing a small shelf or stand to elevate the purifier slightly, allowing for better air intake and distribution. Alternatively, if placing it in a tight space, you may require a diffuser accessory – a device that helps break up stagnant air pockets and ensures more comprehensive coverage of the room.

Finally, think about power consumption and monitoring. While most air purifiers are energy-efficient, continuous operation can still impact your electricity bill. A smart plug with energy monitoring capabilities allows you to track the purifier’s usage and identify potential areas for optimisation – perhaps adjusting the fan speed or scheduling operation during times of lower occupancy. This isn't a direct accessory to the purifier itself, but a valuable tool for managing its ongoing costs and ensuring responsible use, particularly important when considering larger rooms or extended periods of operation.

The Nest & Yard editorial team

Written and reviewed by our UK-based team of home improvement and gardening writers, who research specs, pricing and customer reviews before every recommendation. Reviewed and updated on 2026-08-09.

How we choose products