What’s actually slowing this PC down?
Pick the symptom - the matching free tool is one click away.
Some links on this page are affiliate links: if you buy through them we may earn a commission, at no extra cost to you.
Dyson’s Purifier Hot+Cool HP1 and HP2 De-NOx launched in India in November 2025 at ₹56,900 and ₹68,900, respectively. On the Dyson India listings checked for this article, the HP1 was in stock while the HP2 was marked out of stock, so a product listing does not necessarily mean it can be ordered today. Both combine air purification and room heating with fan airflow; neither is an air conditioner.
India price and availability
The Dyson India product pages list the HP1 (model HP11) at ₹56,900, inclusive of taxes, and the HP2 De-NOx (model HP12) at ₹68,900. The latest listed status available for this article showed the HP1 in stock and the HP2 as “Currently out of stock.” Inventory can change, so check the official listing or an authorised Dyson retailer before making plans to buy.
Dyson also displays 24-month no-cost EMI illustrations of about ₹2,371 per month for the HP1 and ₹2,871 for the HP2. These are financing examples, not reduced prices; eligibility and terms depend on the lender, card and promotion.
Dyson launched both models in India in November 2025, with launch coverage dated November 7. That launch date is distinct from current purchaseable stock. Gadgets 360’s launch report covered the announcement and launch pricing.
#1 Best Overall
- The fully sealed filter system combines an Activated carbon filter to remove gases with a HEPA filter that captures 99.97% of microscopic allergens² and pollutants as small as 0.3 microns.¹
- The whole purifier, not just the filtration system, is fully sealed to HEPA H13 grade – so what goes inside, stays inside.³
- Dyson Air Multiplier technology projects over 76 gallons per second of smooth, yet powerful airflow⁷ to cool you in summer.⁶
- Captures 97% of odors such as cooking odors, pet odors and smoke.⁸
- Control and monitor air quality from anywhere using the MyDyson app, or hands-free with compatible voice services.⁵
HP2 De-NOx vs HP1 at a glance
| Feature | Dyson HP1 (HP11) | Dyson HP2 De-NOx (HP12) |
|---|---|---|
| India list price | ₹56,900 | ₹68,900 |
| Listed stock status | In stock on Dyson India listing checked | Currently out of stock on Dyson India listing checked |
| Particle filtration | Sealed HEPA H13-grade system; Dyson claims 99.95% capture of pollutants as small as 0.1 microns under its stated test disclosures | HEPA filtration; Dyson claims 99.95% capture down to 0.1 microns under its stated test disclosures |
| Gas filtration | Activated carbon for gases and odours | Potassium-carbonate-impregnated K-Carbon for enhanced NO₂ adsorption, plus activated-carbon-based filtration |
| Formaldehyde | No HP2-style formaldehyde-destroying catalytic filter | Dyson says a catalytic filter continuously destroys formaldehyde and does not need replacement |
| Heating and airflow | Room heating and fan-based cooling airflow | Room heating and fan-based cooling airflow |
| Stated room coverage | 81m³, based on Dyson’s POLAR-based specification | 81m³, based on Dyson’s POLAR-based specification |
| Oscillation | Up to 350 degrees | Up to 350 degrees |
| Weight | 5.26kg | About 5.55kg |
Specifications and claims come from the respective HP1 and HP2 De-NOx Dyson India product pages. The manufacturer’s stated coverage and filter-efficiency figures are not guarantees of a particular result in every home.
What the HP2’s De-NOx filter adds
The HP2’s main distinction is its K-Carbon filter, impregnated with potassium carbonate. Dyson says it adsorbs 50% more nitrogen dioxide (NO₂) than regular activated carbon under the company’s specified comparison test. Dyson’s footnote describes a 3m³ chamber test at fan speed 10, compared with regular activated carbon at Fraunhofer WKI under method TM-003387. Treat that as a manufacturer’s laboratory claim, not a promise that every room will see a 50% reduction.
NO₂ levels and the benefit of filtration depend on the source, ventilation, room size, cooking habits, airflow and filter condition. The HP2 may be more relevant in a home with gas cooking or other combustion sources, but a purifier does not eliminate the source. Use an externally vented kitchen hood where possible, ventilate appropriately and keep combustion appliances maintained and safely vented.
The Tool Desk
Outbyte PC Repair FREERepair Windows errors before they cause bigger problemsFix Now →Outbyte Driver Updater FREEFix the driver behind crashes, sound loss and screen glitchesFind Drivers →Dyson also says the HP2’s catalytic filter continuously destroys formaldehyde and does not require replacement. Its claim is based on third-party full-machine testing under GB/T 18801-2022 conditions. The catalytic component is distinct from the HEPA+K-Carbon filter, which still requires periodic replacement. Controlled-chamber results do not guarantee identical performance in a lived-in room.
Rank #2
- 𝐀𝐇𝐀𝐌 𝐕𝐞𝐫𝐢𝐟𝐢𝐞𝐝 𝐏𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞: AHAM Verified performance provides trusted validation of air purifier capabilities. DREO HEPA Air Purifier is independently tested and AHAM Verified with a Clean Air Delivery Rate (CADR) of 158 CFM. It refreshes the air every 12.4 minutes in rooms up to 245 sq. ft. (4.8 ACH). Based on 1 air change per hour (1 ACH), it covers spaces up to 1,176 sq. ft.
- 𝐅𝐚𝐬𝐭𝐞𝐫 𝐀𝐢𝐫 𝐑𝐞𝐟𝐫𝐞𝐬𝐡𝐦𝐞𝐧𝐭: Enjoy cleaner air sooner by reducing particles and odors, helping you and your family breathe more comfortably. Powered by DREO TurboPure, the large air intake and 360° spiral airflow design deliver improved intake efficiency for faster air circulation. The DREO 3-in-1 filter combines a pre-filter, high-efficiency filter, and activated carbon layer to capture fine particles including PM2.5, pollen, dust, and smoke, while helping reduce household odors.
- 𝐑𝐞𝐚𝐥-𝐓𝐢𝐦𝐞 𝐀𝐢𝐫 𝐌𝐨𝐧𝐢𝐭𝐨𝐫𝐢𝐧𝐠: Stay informed about your indoor air quality. The high-precision PM2.5 sensor continuously monitors particles in real time and displays AQI levels from 1–999 on the LED screen, helping you understand air quality changes. The 4-color RGB indicator light(blue, green, orange, and red)provides air quality recognition. A transparent filter viewing window allows you to check filter condition and system status , making maintenance easier and your purification experience more transparent.
- 𝐐𝐮𝐢𝐞𝐭 & 𝐄𝐧𝐞𝐫𝐠𝐲 𝐄𝐟𝐟𝐢𝐜𝐢𝐞𝐧𝐜𝐲: Experience quiet, uninterrupted air purification day and night. Powered by an efficient BLDC motor, the purifier features a bottom air inlet and spiral intake grille that optimize airflow and reduce operating noise for peaceful purification—making it ideal for bedrooms, nurseries, and home offices. ENERGY STAR certified, it uses approximately 162 kWh annually, helping keep energy costs low for everyday use.
- 𝐕𝐞𝐫𝐬𝐚𝐭𝐢𝐥𝐞 𝐏𝐮𝐫𝐢𝐟𝐢𝐜𝐚𝐭𝐢𝐨𝐧 𝐌𝐨𝐝𝐞𝐬:Choose from Auto, Turbo, Sleep, and Normal Mode with 4 speeds to match different purification needs. Auto Mode automatically adjusts speed based on real-time air quality. Sleep Mode turns off display lights for undisturbed rest and wakes with any button press. Normal Mode offers four manual fan speeds for everyday control, while Turbo Mode delivers maximum purification power when faster cleaning is needed for wildfire smoke, pet dander, pollen, and more.
Filtration figures are not whole-room guarantees
Dyson describes the HP1 as having a sealed HEPA H13-grade system and says it captures 99.95% of pollutants as small as 0.1 microns. The HP2 page also states 99.95% filtration down to 0.1 microns and cites ISO 29463 for filtration efficiency. These figures describe filter performance under specified conditions; they do not by themselves tell you how quickly the appliance will lower PM2.5 in your room.
Room-cleaning results also depend on room layout and volume, placement, fan setting, air mixing, doors and windows, and how much pollution is entering. Dyson gives both models a stated coverage of 81m³ using its POLAR-based specification. Consider that a manufacturer’s rating, not a universal guarantee for a large open-plan space or a room with substantial air leakage. A filter-efficiency percentage is also not a substitute for a clean-air delivery rate when comparing how quickly different purifiers can clean a room.
Both models use activated-carbon-based filtration for gases and odours, but gas removal varies by compound, concentration, humidity, airflow and filter age. The HP2’s added NO₂ and formaldehyde features are specific claims; they should not be read as evidence that it removes every indoor gas equally well.
Heating is real; cooling means moving air
Both appliances can heat a room by projecting warm airflow. Dyson says the HP2 can heat a 35m³ room under its stated test method. That is a specific test claim, not a guarantee for every Indian home: heating depends on room volume, insulation, ceiling height, outdoor temperature, open doors and windows, heat loss and the selected temperature and airflow.
Rank #3
- All-Encompassing 360° Clean Air Experience truly comprehensive purification with our advanced 360-degree air intake system. Engineered for efficiency, this HEPA air purifier draws in air from all directions for rapid, uniform purification of your entire space—no strategic placement required.
- Designed for Your Entire Life:Versatile and powerful, it is perfectly suited for any room, including: ①Bedrooms & Dorms: Ensure a clean, healthy environment for rest and study. ②Apartments & Offices: Purify larger living and working spaces with ease. ③Kitchens & Basements: Effectively neutralize cooking odors, fumes, and musty air.
- The Perfect End to Your Day: Wind down with a calming ambiance and fall asleep in utter peace. The 20dB Serenity is expertly engineered for a truly restful and rejuvenating night's sleep.20dB Serenity: Sleep Deeply in Pure, Quiet Air: Breathe easily and sleep soundly. The 20dB Serenity Air Purifier does more than cleanse your air of pollutants—it transforms your bedroom into a sanctuary for perfect rest.
- 【HIGH-EFFICIENCY 3-STAGE FILTRATION】 Breathe easier with our advanced 3-layer HEPA filtration system. The HYCHIKA Core Mini effectively captures 99.97% of airborne particles as small as 0.3 microns, including dust, pet dander, pollen, smoke, and fine hair, while the activated carbon layer neutralizes unwanted household odors.
- 【CERTIFIED PERFORMANCE & GENUINE FILTERS】 Tested in compliance with ANSI/AHAM AC-1-2020 and UKCA standards, our purifiers deliver performance you can trust. To maintain peak efficiency, replace your filter every 3–6 months. Please search for ASIN:B0FSDB4TBK for genuine HYCHIKA replacement filters.
“Cool” refers to fan airflow, which can make a person feel cooler by moving air across the skin. It does not use a compressor to lower the room temperature like an air conditioner. If you need air conditioning rather than a fan, neither model is the right choice.
Controls, sensing and connectivity
Both models offer automatic pollutant sensing, an LCD display for air-quality information, a remote control, MyDyson app control and scheduling. Dyson also describes personalised air-quality reports and compatible voice-service support. The app’s availability and functions depend on the market and connected services; Dyson’s HP2 India page lists a compatible mobile device, Wi-Fi or mobile data, Bluetooth 4.0, and at least iOS 15 or Android 8 as requirements. Voice-service availability can vary by region and change over time, so check the current app and product listing rather than assuming a particular assistant works in India.
App or Wi-Fi problems can interrupt remote monitoring and control. The included remote and on-device controls provide alternatives for basic operation.
Do these 3 things before closing this tab:
1Clear out junk files and repair common Windows errors2Fix the driver behind crashes, sound loss and screen glitches3Repair Windows errors before they cause bigger problemsSize and practical placement
The HP1 is listed at 770mm high and 5.26kg, with a 1.8m cable and 350-degree oscillation. Dyson’s page lists a 220mm width and a 248mm base/length dimension. The HP2 is about 764–765mm high, has a 248mm base diameter, weighs about 5.55kg and has a 1.8m cord; it also oscillates up to 350 degrees. Dyson lists more than 290 litres per second of air projection for the HP2.
Rank #4
- Advanced air purification automatically captures 50% more NO₂.⁸
- Fully sealed, 3-stage HEPA H13 grade filtration captures 99.97% of particles as small as 0.3 microns.³
- Removes odors and gases,¹ and continuously destroys formaldehyde.⁹
- Dyson Air Multiplier technology projects over 76 gallons per second of smooth, yet powerful airflow⁷ to cool you in summer.⁶
- Control and monitor air quality from anywhere using the MyDyson app, or hands-free with compatible voice services.⁵
Dyson’s India pages use mixed labels such as “length,” “width” and “diameter” for dimensions, so use the manufacturer’s wording when checking fit rather than treating every measurement as directly comparable. Allow space for airflow and oscillation, and place the unit where it can circulate air without being blocked by furniture or curtains.
Which model should you buy?
- Choose the HP2 De-NOx if you value its enhanced NO₂ adsorption and formaldehyde-destruction claims, particularly in a home with combustion sources, and are comfortable paying ₹12,000 more than the HP1’s listed price. First confirm that it is actually in stock through an authorised Indian channel. Continue to prioritise source control and ventilation.
- Choose the HP1 if you want a lower-priced combination of particulate filtration, carbon filtration, heating and fan airflow, and do not have a strong need for the HP2’s additional gas-filtration features. It was the model listed in stock on Dyson India when checked for this article.
- Choose neither if you expect compressor air conditioning, need the lowest possible operating cost, or want a dedicated purifier selected primarily for high clean-air delivery in a large or open room. Also reconsider if genuine replacement filters are hard to obtain or if cooking smoke is best addressed first with source ventilation.
Maintenance and cost of ownership
The filters are not lifetime components. Dyson recommends replacing the HP2 HEPA+K-Carbon filter about every 12 months based on 12 hours of daily use; actual life varies with pollution, dust, cooking, smoking and operating hours. The HP1 likewise uses a replaceable filter. The display or app can notify users when replacement is due. Check the current Indian price and availability of genuine replacement filters before buying; no verified replacement-filter price is included here.
Also account for electricity use. Heating mode can consume substantially more power than fan-only purification, but a reliable running-cost estimate needs verified power figures, hours of use and your local tariff. No estimate is supplied here. Dyson says the heater has automatic cut-out switches for tipping or overheating and no exposed heating element; these are manufacturer-described safety features, not an independent safety certification.
Before purchase, check warranty and service access for your location, replacement-filter availability, and whether the product is sold through an authorised channel. The initial price alone does not capture ownership cost.
Quick Recap
Sources
- Dyson India: Purifier Hot+Cool HP1
- Dyson India: Purifier Hot+Cool HP2 De-NOx
- Gadgets 360: India launch coverage
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.


Leave a Reply