# Alen BreatheSmart 45i Air Purifier

*Published: 2026-01-06 | Updated: 2026-01-06 | Source: https://shopsavvy.com/products/alen-breathesmart-45i-air-purifier*

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**Brand:** Alen
**Price Range:** $359.2 - $479 across 3 retailers

## Pros
- Provides significant allergy relief almost immediately after use.
- Features an air sensor that automatically adjusts speed based on air quality.
- Notable improvement in air quality within a couple of days, eliminating allergy symptoms completely.
- Designed to run continuously, making it effective for consistent air purification.
- Highly effective for dust allergies, resulting in better sleep and reduced congestion.
- Offers a lifetime warranty when registered and a convenient filter subscription service.
- Lightweight, portable, and easy to set up without tools.
- Operates quietly in auto mode, with a satisfying white noise effect at lower settings.
- Attractive, sleek design that fits well in various spaces and enhances furniture aesthetics.
- Exceptional customer service that is responsive and effective in handling issues.

## Cons
- Considered expensive, which may deter some buyers despite its effectiveness.
- Customer manual lacks clarity, leading to confusion with settings and Wi-Fi features.
- Occasional reports of erratic behavior and connectivity issues with third-party apps.
- Initial performance shows promise, but long-term filter durability is yet to be confirmed.
- Turbo mode can be loud, which might be disruptive for some users.

## Specifications

| Attribute | Value |
|-----------|-------|
| model | BreatheSmart 45i |
| brand | Alen |
| color | White |
| dimensionsUnit | sq. ft |
| coverageArea | 1900 |

## Last Seen Prices

| Retailer | Price | Availability | Last seen | Store's standard terms |
|----------|-------|-------------|-----------|------------------------|
| [retailers/amazon](https://shopsavvy.com/api/redirect/products/d144c6cb-473a-ef52-b2f5-a86e4f208f5a/offers/d1a20d5d-64c6-f1c5-2e2f-3d181c58e566?source=shopsavvy&medium=product-page) | $359.20  | In Stock | 2026-01-06 (may have changed) | 30-day returns (in store too) |
| [retailers/bestbuy](https://shopsavvy.com/api/redirect/products/d144c6cb-473a-ef52-b2f5-a86e4f208f5a/offers/7f8c766f-2d9c-aabb-bc34-3dfe59c4cfdc?source=shopsavvy&medium=product-page) | $443.99  | In Stock | 2026-01-06 (may have changed) | 15-day returns (in store too) · free return shipping · free shipping on $35+ |
| [retailers/walmart](https://shopsavvy.com/api/redirect/products/d144c6cb-473a-ef52-b2f5-a86e4f208f5a/offers/6e7c475c-3663-42ba-9c3a-f35206f2045a?source=shopsavvy&medium=product-page) | $479.00  | In Stock | 2026-01-06 (may have changed) | 90-day returns (in store too) |

*Store terms are each retailer's standard return and shipping policy from ShopSavvy's retailer research; some products and categories differ, so check with the store before buying.*

[See every retailer and the full price history on ShopSavvy](https://shopsavvy.com/products/alen-breathesmart-45i-air-purifier)

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