Introduction — beurer App-controlled Air Purifier LR 400 / LR 401

The beurer App-controlled Air Purifier LR 400 / LR 401 is a compact, app-enabled air cleaning solution designed for homes and small offices up to 69 m² that combines a three-layer filtration system (pre-filter, activated carbon, HEPA H13) with intelligent sensors and Wi‑Fi/Bluetooth control via the beurer FreshHome app. The LR 400 and LR 401 models offer automatic air-quality detection, four fan speeds plus turbo, a colour-coded ambient air indicator, night mode for near-silent operation, and optional ultraviolet light for additional disinfection capability, making them suitable for allergy sufferers, pet owners, and households seeking improved indoor air quality[5][2].

Key benefits and unique selling points include a HEPA H13 stage that captures very fine particles (manufacturer states up to 99.95% efficiency for typical particulate sizes), a CADR of approximately 266 m³/h for fast circulation in mid-sized rooms, intelligent automatic mode that adapts fan speed to measured particulate levels (PM2.5), and remote monitoring and control through the FreshHome app for scheduling and status checks while you're away[5][2][1]. Typical use cases cover living rooms, bedrooms, home offices, and shared family spaces where pollen, dust, pet dander, odors and airborne microbes are a concern.

Target audience: allergy and asthma sufferers, parents of young children, pet owners, home office users, and people looking to improve general indoor air quality. Estimated price range (street/retail) for these app-controlled units is generally in the mid-range for consumer HEPA purifiers—expect retail prices to vary by market and retailer; official listings and resellers typically position the LR 400 / LR 401 as a value proposition given its HEPA H13 filtration, smart controls and room coverage[2][1]. Availability: sold through Beurer’s official channels and major retailers in many regions; replacement filters (model 693.09) and optional UV accessories are available separately[1][5].

Pros & Cons — Honest assessment of beurer App-controlled Air Purifier LR 400 / LR 401

Pros — Effective filtration and smart control
The three-layer filter with HEPA H13 captures a high proportion of fine particles and allergens, while the activated carbon layer helps reduce odors; the device is controllable via the beurer FreshHome app for remote monitoring, scheduling and automatic mode operation[5][2].
Pros — Room coverage and CADR
With a CADR around 266 m³/h and suitability for rooms up to 69 m², the LR 400 / LR 401 handles medium-to-large living spaces more effectively than many compact purifiers in the same price band[2][1].
Pros — Low noise and practical features
Night mode reduces noise below 30 dB for bedrooms, and the unit includes timer, filter-change indicator and a colour-coded air-quality LED for quick status checks[5].
Cons — Ongoing filter cost and maintenance
Replacement filters (693.09) are sold separately and filters have an estimated lifetime (manufacturer cites ~4,320 operating hours), so owners should budget for recurring filter replacement costs[5][1].
Cons — Optional UV and feature trade-offs
UV cleaning is optional rather than standard; users seeking built-in UV sterilization must confirm model/configuration and understand UV adds maintenance and safety considerations[1][5].
Cons — Smart setup and dependency on app
Full functionality requires the beurer FreshHome app (Bluetooth setup, Wi‑Fi control); users who prefer fully manual devices or who avoid connected devices may find this inconvenient[5].
Value for money
Compared with small HEPA-only portable units, the LR 400 / LR 401 offers stronger room coverage, HEPA H13 performance and smart features that make it a competitive mid-range choice; compared to premium whole-room systems it is more affordable but lacks some advanced sensors or integrated HVAC compatibility[2][1].

Customer Reviews & Real-user Feedback for beurer App-controlled Air Purifier LR 400 / LR 401

Average user feedback for the beurer App-controlled Air Purifier LR 400 / LR 401 tends toward positive ratings for cleaning performance, quiet night operation and app convenience, with many users noting visible reductions in dust and pollen and appreciation for the device’s automatic mode and colour-coded air-quality indicator[3][1]. Common praises include effective HEPA filtration, easy app setup for scheduling, and solid coverage for medium-sized rooms.

Frequently mentioned complaints are the recurring cost of replacement filters, occasional connectivity/setup hiccups with Wi‑Fi or Bluetooth during install, and that the optional UV accessory adds complexity and is not included by default[5][1]. Typical star-rating summary from retailer pages and reviews: many users give 4–5 stars for performance and quietness, with 3-star reviews citing app connectivity or lifetime cost concerns[2][6]. Purchase recommendation: recommended for allergy sufferers and households needing wide coverage and smart control; prospective buyers who prioritize entirely offline/manual units or who want integrated HVAC-grade purification may want to compare alternatives first[2][1][5].

SEO & Keyword integration (for featured snippet and voice search)

This manual references the primary keyword beurer App-controlled Air Purifier LR 400 / LR 401 naturally across headings and body text to support discoverability, and includes related and semantic keywords such as: HEPA H13 air purifier, CADR 266 m³/h, FreshHome app, PM2.5 sensor, three-layer filter, replacement filter 693.09, night mode quiet air purifier, app-controlled home air purifier, UV air cleaning optional, and room coverage 69 m².

Quick technical specifications & examples

Model: LR 400 / LR 401 — App-controlled units with fabric-covered design and ambient colour indicator[2][4].
Filtration: Pre-filter + Activated carbon + HEPA H13 (manufacturer states up to 99.95% filter performance for applicable particle sizes)[5][2].
Sensor: Smart sensor detecting fine dust (PM2.5) for automatic mode[5][1].
CADR: Approx. 266 m³/h — suitable for rooms up to ~69 m²[2][1].
Fan settings: 4 speeds + turbo; timer 1–24 h; night mode; filter-change indicator[5][2].
Noise: < 30 dB in night mode; up to ~52 dB in turbo[5][2].
Power: ~50 W; dimensions: H 50.5 cm x Ø 21.5 cm; weight ~3.7 kg[5][1].
Replacement filter: Part number 693.09; estimated filter lifetime ~4,320 hours (manufacturer guidance)[5][1].

Buying tips & recommended use

Place the purifier centrally in the room or where airflow is not obstructed for best CADR performance; avoid tight corners that block intake or outlet[5].
Enable automatic mode for continuous air-quality management—this uses the PM2.5 smart sensor to adapt fan speeds as needed[5][2].
Budget for replacement filters (693.09) when calculating lifetime cost; follow the filter-change indicator and manufacturer replacement intervals to maintain performance[5][1].
Use night mode for bedrooms to keep noise under 30 dB while maintaining background filtration overnight[5].
If UV disinfection is desired, verify the specific model/configuration and follow safety instructions for UV module use and maintenance[1][5].

Alternatives to consider (comparison)

Smaller portable HEPA purifiers — cheaper but lower CADR and smaller room coverage; suited for single rooms or desks.
Premium smart purifiers from other brands — may offer multi-sensor arrays (VOC, CO2), integrated HVAC compatibility or higher CADR at a higher price point.
Whole-home HVAC filters or in-duct purifiers — better for whole-house solutions but require professional installation and larger budgets.

Final purchase guidance

If you want a mid-range, app-controlled purifier with HEPA H13 filtration, reliable room coverage (up to ~69 m²), quiet night operation and automatic PM2.5-based control, the beurer App-controlled Air Purifier LR 400 / LR 401 is a strong candidate—particularly for allergy sufferers, pet owners and home-office users who value app monitoring and scheduling; compare replacement filter costs and confirm any required UV accessory options before purchase to ensure the unit meets your long-term needs[2][5][1].

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