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Rowenta Intense Pure Air PU4020F1 Review | 46 Data compared

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  • Avg. price in UK: ~£230
  • Avg. price in US: ~$230
  • Max. CADR: 150 m³/h
  • Maximum room area: 60 m²
  • Maximum noise level: 45 dB
  • HEPA filter: yes
  • Weight: 5.7 kg

Rowenta Intense Pure Air PU4020F1 review. Compare 46 technical specifications and user reviews to see how this product ranks in the Air Purifiers category and whether it is worth buying.

6.9

Overall score

What it is: An overall evaluation of products in the Air Purifiers category, based on technical analysis and user reviews.

When it matters: When you need a quick reference for identifying the best products in the Air Purifiers category.

Score components:

80.0%

6.4

Technical Score

20.0%

9.3

User score

Good
6.4

Technical Score

What it is: An assessment of technical performance for products in the Air Purifiers category across these key areas: Performance, Features, Design.

When it matters: When you want to compare products in the Air Purifiers category by technical performance, specifications, and available features.

Score components:

50.0%

4.8

Performance

40.0%

8.4

Features

10.0%

5.7

Design

Good
9.3

User score

What it is: A rating that combines user reviews with the total review volume for products in the Air Purifiers category.

When it matters: When you want to know how products in the Air Purifiers category perform in everyday use and how reliable owners find them over time.

Score components:

70.0%

9.0

User reviews

30.0%

10

Popularity

User score:
United Kingdom
amazon
4.5
(1640)
United States
Amazon_logo.png
4.5
(1640)

(Reviews last updated: August 2026)

Exceptional
  • 7.3
    Bedroom use

    Score components:

    35.0%

    7.1

    Maximum noise level

    30.0%

    10

    Night mode

    20.0%

    5.1

    Maximum room area

    15.0%

    5.5

    Weight

  • 7.6
    Allergy relief

    Score components:

    35.0%

    3.1

    Max. CADR

    30.0%

    10

    HEPA filter

    20.0%

    10

    Number of filtration stages

    15.0%

    10

    Washable prefilter

  • 7.9
    Smoke removal

    Score components:

    35.0%

    10

    Activated carbon filter

    30.0%

    3.1

    Max. CADR

    20.0%

    10

    Number of filtration stages

    15.0%

    10

    Air quality indicator

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Best prices in UK

Best rankings

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Available: ranking among products currently available (including other versions of this product).
All: ranking among all products in the database.

Verdict

The Rowenta Intense Pure Air PU4020F1 is a high-performance air purifier engineered to cover rooms up to 400 square feet with a smoke Clean Air Delivery Rate (CADR) of 164 cfm. Its standout characteristic is a patented 4-stage filtration system—consisting of a pre-filter, an active carbon filter, a True HEPA filter, and exclusive NanoCaptur technology—which permanently destroys carcinogenic formaldehyde and captures up to 99.97% of fine particles as small as 0.3 microns. Main pros include a smart pollution sensor that automatically adapts filtration speeds (spanning 4 speed levels), a whisper-quiet nighttime mode operating at a low 31 dB(A), integrated ambient lighting, and electronic filter replacement indicators. On the downside, the unit can become quite loud (reaching around 45 dB) when running on its highest setting to tackle severe pollution, and both the initial purchase price and the recurring cost of replacing its multi-layered filters are relatively high.

Technical Specifications of air purifier Rowenta Intense Pure Air PU4020F1

Technical Score

What it is: An assessment of technical performance for products in the Air Purifiers category across these key areas: Performance, Features, Design.

When it matters: When you want to compare products in the Air Purifiers category by technical performance, specifications, and available features.

Score components:

50.0%

4.8

Performance

40.0%

8.4

Features

10.0%

5.7

Design

6.4
Rowenta Intense Pure Air PU4020F1 has a technical score of 6.35 points, which is lower than 57.9% of products in this category.
User score

What it is: A rating that combines user reviews with the total review volume for products in the Air Purifiers category.

When it matters: When you want to know how products in the Air Purifiers category perform in everyday use and how reliable owners find them over time.

Score components:

70.0%

9.0

User reviews

30.0%

10

Popularity

User score:
United Kingdom
amazon
4.5
(1640)
United States
Amazon_logo.png
4.5
(1640)

(Reviews last updated: August 2026)

9.3
Rowenta Intense Pure Air PU4020F1 has a user score of 9.3 points, which is higher than 88.5% of products in this category.
Popularity
What it is: An indicator based on the number of reviews received by products in the Air Purifiers category.
When it matters: When you prefer products in the Air Purifiers category that have been chosen and reviewed by many other buyers.
10
Rowenta Intense Pure Air PU4020F1 has a popularity of 10 points, which is higher than 72.7% of products in this category.
Ratio quality/price

What it is: An indicator that combines the overall score of products in the Air Purifiers category with their prices.

When it matters: When you are comparing products in the Air Purifiers category and want a good balance between quality and price.

Score components:

60.0%

6.9

Overall score

40.0%

8.7

Price

7.5
Rowenta Intense Pure Air PU4020F1 has a quality-to-price ratio of 7.5 points, which is higher than 49.2% of products in this category.
Power
What it is: The electrical power consumption of the air purifier during operation, measured in watts (W).
When it matters: Helpful for estimating long-term electricity costs, particularly when running the unit continuously day and night.

Importance: HIGH

30 W
Rowenta Intense Pure Air PU4020F1 has a power output of 30 W, which is lower than that of 63% of air purifiers and the same as that of 5% of air purifiers.
Max. CADR
What it is: The Clean Air Delivery Rate (CADR), measuring the volume of purified air delivered per hour in cubic metres.
When it matters: Crucial for determining how rapidly the purifier circulates and cleans room air, especially for severe allergies or larger spaces.

Importance: HIGH

150 m³/h
Rowenta Intense Pure Air PU4020F1 delivers a CADR of 150 m³/h, which is lower than that of 75.2% of air purifiers and the same as that of 3.1% of air purifiers.
Maximum room area
What it is: The maximum recommended floor area (in square metres) that the air purifier can effectively treat.
When it matters: Essential for matching the purifier's airflow capacity to your room size so all air is filtered thoroughly.

Importance: HIGH

60 m²
Rowenta Intense Pure Air PU4020F1 covers up to 60 m², which is larger than 58.6% of air purifiers and the same as 2.9% of air purifiers.
N. of speeds
What it is: The number of manual airflow speed levels available to choose on the air purifier.
When it matters: Provides flexible control between whisper-quiet low speeds for sleeping and powerful high speeds for fast room clearing.

Importance: MEDIUM

4
Rowenta Intense Pure Air PU4020F1 offers 4 fan speeds, which is more than 55.9% of air purifiers and the same as 25.1% of air purifiers.
Maximum noise level
What it is: The sound level emitted by the air purifier when running at its highest fan speed, measured in decibels (dB).
When it matters: Important if you plan to use the purifier in bedrooms, nurseries, or home offices where loud fan noise causes disturbance.

Importance: HIGH

45 dB
Rowenta Intense Pure Air PU4020F1 reaches 45 dB at maximum speed, which is quieter than 87.2% of air purifiers and the same as 1.8% of air purifiers.
Show more
Air quality indicator
What it is: An optical or laser sensor system displaying real-time indoor pollution levels via color rings or numerical values.
When it matters: Provides immediate visual feedback on air cleanliness and confirms that the purifier is working effectively.

Importance: MEDIUM

yes
Rowenta Intense Pure Air PU4020F1 has an air-quality indicator. This feature is present on 65.4% of air purifiers.
Continuous purification
What it is: Engineered motor and filter architecture designed for safe, uninterrupted 24/7 operation without thermal degradation.
When it matters: Essential for maintaining permanently low allergen and dust concentrations in polluted urban areas or high-pollen seasons.

Importance: LOW

yes
Rowenta Intense Pure Air PU4020F1 supports continuous purification. This feature is present on 86.3% of air purifiers.
Auto mode
What it is: An intelligent operating mode that automatically increases or decreases fan speed based on live sensor pollution readings.
When it matters: Maximizes convenience and saves electricity by running quietly on low speed and ramping up only when pollution is detected.

Importance: MEDIUM

yes
Rowenta Intense Pure Air PU4020F1 has auto mode. This feature is present on 67% of air purifiers.
Timer
What it is: A programmable shut-off countdown timer that turns off the air purifier automatically after a set number of hours.
When it matters: Convenient for running the unit for a specific duration before leaving home or going to bed without wasting electricity.

Importance: LOW

yes
Rowenta Intense Pure Air PU4020F1 has a timer. This feature is present on 75% of air purifiers.
Maximum timer
What it is: The longest selectable countdown duration available on the air purifier's timer, expressed in hours.
When it matters: Relevant if you prefer setting extended automated operating cycles, such as a full 8-hour workday or 12-hour overnight window.

Importance: LOW

8 hours
Rowenta Intense Pure Air PU4020F1 features a maximum timer of 8 hours, which is longer than that of 5.5% of air purifiers and the same as that of 57.8% of air purifiers.
Show more
Color
What it is: The primary exterior color and aesthetic finish of the air purifier housing.
When it matters: Important for ensuring the appliance blends harmoniously into your room decor and furniture style.

Importance: LOW

white
Material
What it is: The primary manufacturing material used for the outer casing, such as ABS plastic, polycarbonate, or aluminum.
When it matters: Influences structural rigidity, scratch resistance, premium appearance, and ease of wiping clean.

Importance: LOW

plastic
Display
What it is: An integrated digital screen showing active fan speed, particulate pollution numbers, filter health, and active timers.
When it matters: Enables quick visual checks of air metrics and purifier settings directly on the device without picking up your phone.

Importance: LOW

no
Rowenta Intense Pure Air PU4020F1 does not have a display. This feature is present on 51.1% of air purifiers.
Display position
What it is: The physical placement of the display screen on the body of the air purifier (e.g., top panel or front facade).
When it matters: Affects viewing convenience: top displays are easiest to read while standing, while front displays are visible from across the room.

Importance: LOW

N/A
Control type
What it is: The user interface mechanism for operating the device, such as capacitive touch keys, push buttons, or rotary dials.
When it matters: Determines tactile responsiveness, ease of operation in dark rooms, and durability over years of regular use.

Importance: LOW

buttons
Show more

Rowenta Intense Pure Air PU4020F1 vs the average air purifier

  • 8 dB lower maximum noise level
    Rowenta Intense Pure Air PU4020F1 runs quieter at maximum speed than the average air purifier (45 dB vs 53 dB).
    What it is: The sound level emitted by the air purifier when running at its highest fan speed, measured in decibels (dB).
    When it matters: Important if you plan to use the purifier in bedrooms, nurseries, or home offices where loud fan noise causes disturbance.

    Importance: HIGH

    Rowenta Intense Pure Air PU4020F1 runs quieter at maximum speed than the average air purifier (45 dB vs 53 dB).45 dB vs 53 dB
  • 1 more filtration stage
    Rowenta Intense Pure Air PU4020F1 features more filtration stages than the average air purifier (4 vs 3).
    What it is: The total number of specialized filter barriers (e.g., pre-filter, HEPA, activated carbon) air flows through inside the unit.
    When it matters: More filtration stages ensure that coarse hair, fine dust allergens, and gaseous odors are captured by dedicated, purpose-built layers.

    Importance: MEDIUM

    Rowenta Intense Pure Air PU4020F1 features more filtration stages than the average air purifier (4 vs 3).4 vs 3
  • 1 more fan speeds
    Rowenta Intense Pure Air PU4020F1 provides more fan speed settings than the average air purifier (4 vs 3).
    What it is: The number of manual airflow speed levels available to choose on the air purifier.
    When it matters: Provides flexible control between whisper-quiet low speeds for sleeping and powerful high speeds for fast room clearing.

    Importance: MEDIUM

    Rowenta Intense Pure Air PU4020F1 provides more fan speed settings than the average air purifier (4 vs 3).4 vs 3
  • 0.02 % percentage points higher bacteria elimination
    Rowenta Intense Pure Air PU4020F1 achieves higher certified bacteria elimination than the average air purifier (100% vs 99.97%).
    What it is: The certified laboratory efficiency percentage demonstrating the purifier's ability to eliminate airborne bacteria and microbes.
    When it matters: Reassuring for hygiene-focused households, medical offices, or homes with infants where airborne pathogen reduction is a priority.

    Importance: MEDIUM

    Rowenta Intense Pure Air PU4020F1 achieves higher certified bacteria elimination than the average air purifier (100% vs 99.97%).99.99 % vs 99.97 %
  • Has an ionizer
    Rowenta Intense Pure Air PU4020F1 has an ionizer; the average air purifier does not.
    What it is: An auxiliary electronic feature releasing negative ions that attach to airborne particles, causing them to clump and settle faster.
    When it matters: Acts as a supplementary cleaning boost for fine dust, though buyers sensitive to ozone should ensure it can be toggled off.

    Importance: LOW

    Rowenta Intense Pure Air PU4020F1 has an ionizer; the average air purifier does not.
  • Has a handle
    Rowenta Intense Pure Air PU4020F1 has a handle; the average air purifier does not.
    What it is: An integrated carry handle or recessed hand grip built into the chassis for lifting.
    When it matters: Makes transporting the air purifier between bedrooms, living areas, or up and down stairs safer and effortless.

    Importance: LOW

    Rowenta Intense Pure Air PU4020F1 has a handle; the average air purifier does not.
  • 11 m² larger room area
    Rowenta Intense Pure Air PU4020F1 covers a larger room area than the average air purifier (60 m² vs 49 m²).
    What it is: The maximum recommended floor area (in square metres) that the air purifier can effectively treat.
    When it matters: Essential for matching the purifier's airflow capacity to your room size so all air is filtered thoroughly.

    Importance: HIGH

    Rowenta Intense Pure Air PU4020F1 covers a larger room area than the average air purifier (60 m² vs 49 m²).60 m² vs 49 m²
  • 16.3% higher user score
    Rowenta Intense Pure Air PU4020F1 has a higher user score than the average air purifier (9.3 vs 8).
    What it is: A rating that combines user reviews with the total review volume for products in the Air Purifiers category.
    When it matters: When you want to know how products in the Air Purifiers category perform in everyday use and how reliable owners find them over time.
    Rowenta Intense Pure Air PU4020F1 has a higher user score than the average air purifier (9.3 vs 8).9.3 vs 8
  • 8 dB lower maximum noise level
    Rowenta Intense Pure Air PU4020F1 runs quieter at maximum speed than the average air purifier (45 dB vs 53 dB).
  • 1 more fan speeds
    Rowenta Intense Pure Air PU4020F1 provides more fan speed settings than the average air purifier (4 vs 3).
  • 11 m² larger room area
    Rowenta Intense Pure Air PU4020F1 covers a larger room area than the average air purifier (60 m² vs 49 m²).
  • 1 more filtration stage
    Rowenta Intense Pure Air PU4020F1 features more filtration stages than the average air purifier (4 vs 3).
  • 0.02 % percentage points higher bacteria elimination
    Rowenta Intense Pure Air PU4020F1 achieves higher certified bacteria elimination than the average air purifier (100% vs 99.97%).
  • Has an ionizer
    Rowenta Intense Pure Air PU4020F1 has an ionizer; the average air purifier does not.
  • Has a handle
    Rowenta Intense Pure Air PU4020F1 has a handle; the average air purifier does not.

Total
Overall
Performance
Features
Design
  • 37.5% lower CADR
    Rowenta Intense Pure Air PU4020F1 provides a lower clean air delivery rate than the average air purifier (150 m³/h vs 240 m³/h).
  • 7.5 W lower power
    Rowenta Intense Pure Air PU4020F1 has a lower power output than the average air purifier (30 W vs 37.5 W).
  • No display
    Rowenta Intense Pure Air PU4020F1 does not have a display; the average air purifier does.
  • 6 cm greater depth
    Rowenta Intense Pure Air PU4020F1 is deeper than the average air purifier (28 cm vs 22 cm).
  • 24.7% higher weight
    Rowenta Intense Pure Air PU4020F1 is heavier than the average air purifier (5.7 kg vs 4.57 kg).
  • 4 cm taller height
    Rowenta Intense Pure Air PU4020F1 is taller than the average air purifier (54 cm vs 50 cm).
  • 2.7 cm wider width
    Rowenta Intense Pure Air PU4020F1 is wider than the average air purifier (30 cm vs 27.3 cm).
  • 14102.98 cm³ larger external volume
    Rowenta Intense Pure Air PU4020F1 has a larger overall volume than the average air purifier (45360 cm³ vs 31257.025 cm³).
  • 37.5% lower CADR
    Rowenta Intense Pure Air PU4020F1 provides a lower clean air delivery rate than the average air purifier (150 m³/h vs 240 m³/h).
    What it is: The Clean Air Delivery Rate (CADR), measuring the volume of purified air delivered per hour in cubic metres.
    When it matters: Crucial for determining how rapidly the purifier circulates and cleans room air, especially for severe allergies or larger spaces.

    Importance: HIGH

    Rowenta Intense Pure Air PU4020F1 provides a lower clean air delivery rate than the average air purifier (150 m³/h vs 240 m³/h).150 m³/h vs 240 m³/h
  • No display
    Rowenta Intense Pure Air PU4020F1 does not have a display; the average air purifier does.
    What it is: An integrated digital screen showing active fan speed, particulate pollution numbers, filter health, and active timers.
    When it matters: Enables quick visual checks of air metrics and purifier settings directly on the device without picking up your phone.

    Importance: LOW

    Rowenta Intense Pure Air PU4020F1 does not have a display; the average air purifier does.
  • 6 cm greater depth
    Rowenta Intense Pure Air PU4020F1 is deeper than the average air purifier (28 cm vs 22 cm).
    What it is: The front-to-back depth measurement of the air purifier, in centimetres (cm).
    When it matters: Determines how far the purifier protrudes outward into walkways or away from walls.

    Importance: LOW

    Rowenta Intense Pure Air PU4020F1 is deeper than the average air purifier (28 cm vs 22 cm).28 cm vs 22 cm
  • 7.5 W lower power
    Rowenta Intense Pure Air PU4020F1 has a lower power output than the average air purifier (30 W vs 37.5 W).
    What it is: The electrical power consumption of the air purifier during operation, measured in watts (W).
    When it matters: Helpful for estimating long-term electricity costs, particularly when running the unit continuously day and night.

    Importance: HIGH

    Rowenta Intense Pure Air PU4020F1 has a lower power output than the average air purifier (30 W vs 37.5 W).30 W vs 37.5 W
  • 24.7% higher weight
    Rowenta Intense Pure Air PU4020F1 is heavier than the average air purifier (5.7 kg vs 4.57 kg).
    What it is: The total physical net weight of the air purifier without packaging, measured in kilograms (kg).
    When it matters: Important if you frequently carry the purifier between rooms, to different floors, or place it on furniture.

    Importance: MEDIUM

    Rowenta Intense Pure Air PU4020F1 is heavier than the average air purifier (5.7 kg vs 4.57 kg).5.7 kg vs 4.57 kg
  • 4 cm taller height
    Rowenta Intense Pure Air PU4020F1 is taller than the average air purifier (54 cm vs 50 cm).
    What it is: The vertical height of the air purifier unit, measured in centimetres (cm).
    When it matters: Important for ensuring the unit fits underneath tables, under low window sills, or onto designated shelves.

    Importance: LOW

    Rowenta Intense Pure Air PU4020F1 is taller than the average air purifier (54 cm vs 50 cm).54 cm vs 50 cm
  • 2.7 cm wider width
    Rowenta Intense Pure Air PU4020F1 is wider than the average air purifier (30 cm vs 27.3 cm).
    What it is: The horizontal width across the front of the air purifier, measured in centimetres (cm).
    When it matters: Essential for confirming the unit fits neatly between furniture, in tight corners, or on compact bedside tables.

    Importance: LOW

    Rowenta Intense Pure Air PU4020F1 is wider than the average air purifier (30 cm vs 27.3 cm).30 cm vs 27.3 cm
  • 64.3% more expensive
    Rowenta Intense Pure Air PU4020F1 is more expensive than the average air purifier (£230 vs £140).
    Rowenta Intense Pure Air PU4020F1 is more expensive than the average air purifier (£230 vs £140).£230 vs £140
Total
Overall
Performance
Design

Graphic comparison of Rowenta Intense Pure Air PU4020F1 and other products in the Air Purifiers category

Attribute category
Attribute
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Third-party reviews

United Kingdom
amazon
4.5
1640 Reviews
United States
Amazon_logo.png
4.5
1640 Reviews

(Reviews last updated: August 2026)

What customers like about Rowenta Intense Pure Air PU4020F1?

  • Excellent at clearing airborne dust, pet dander, pollen, and lingering odours.
  • Very quiet on the lowest settings and has a dedicated 'Night' mode that doesn't disrupt sleep.
  • Smart air quality sensors automatically adjust the fan speed based on real-time pollution levels.
  • Convenient visual indicator (light that changes color from blue to purple to red) clearly displays the current indoor air quality.
  • Four-stage filtration system, including Rowenta's exclusive NanoCaptur filter, effectively deals with formaldehyde.

What customers dislike about Rowenta Intense Pure Air PU4020F1?

  • Can become noticeably noisy when running at higher speeds on automatic mode.
  • Replacement filters are expensive and sometimes difficult to source depending on the region.
  • The unit itself has a higher upfront cost compared to some competing models.
  • No built-in Wi-Fi or smartphone app control for remote management.
  • The air quality sensor can occasionally be overly sensitive, kicking the fan up to a high, loud speed during harmless activities like cooking or sweeping.

Expert reviews

B
breathequality.com
08/12/2022
Summary of the review
Rowenta Intense Pure Air PU4020: Trusted Review In 2026
C
canadianreviewer.com
12/10/2018
Summary of the review
Review: Rowenta Intense Air Pure Purifier

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