# Austin Air HealthMate HM400: specs and price

**Price (US):** $845 (MSRP $845.00 per austinairsystems.com (Austin Air's official US store) HealthMate product page, shown as "Sold Out - Notify me when it's available" but with the price displayed as $845.00, accessed 2026-07-07. The Sylvane authorized-dealer page corroborates the same unit at $844.99 (Regular price). Manufacturer figure used as the price.), as of 2026-07-07. Among the 21 air purifiers we track it is #19 cheapest of 21; category median $299.99.
**Brand:** Austin Air

## Specifications

| Spec | Value |
| --- | --- |
| Price (US) | $845 |
| Brand | Austin Air |
| Cadr smoke (CFM) | — |
| Coverage (sq ft) | 1500 |
| Hepa | Yes |
| Filter type | Large Particle Pre-filter + Medium Particle Pre-filter + Activated Carbon/Mineral-based + True Medical Grade HEPA (4-stage) |
| Noise db min | — |
| Smart | No |
| Energy star | — |

## Where it stands

At $845, the Austin Air HealthMate HM400 is #19 cheapest of the 21 air purifiers we track, where the median is $299.99. On the spec sheet, its coverage of 1500 sq ft is above the median of the 22.

## What reviewers say

Only one whitelisted tester—Wirecutter (NYT)—covers the exact HM400, as a niche 'worth considering' pick for VOC removal rather than a tested top choice. It praises the massive 15-pound carbon-zeolite filter that captures formaldehyde and lasts years, but flags high purchase and filter costs, energy inefficiency, bulk, and noisy operation. (Based on 1 review, 2026-05-04.)

Praised: Massive 15-pound activated-carbon-and-zeolite filter efficiently captures VOCs such as formaldehyde; Adsorbent VOC filter stays effective for several years, unlike short-lived filters in most purifiers.
Flagged: High up-front price and expensive replacement filters; Energy inefficient, physically bulky, and noisy in operation.
Disagreement: Single-source only, so no cross-source comparison is possible. Wirecutter recommends the HM400 solely for high-VOC situations and notes that simply opening windows every few days is often an effective, free alternative; it is a sidebar pick, not lab-benchmarked with a stated measurement for this model.
Sources: Wirecutter (NYT) (2026-05-04, nytimes.com)

## Frequently asked questions

**What do reviewers say about the Austin Air HealthMate HM400?**

Only one whitelisted tester—Wirecutter (NYT)—covers the exact HM400, as a niche 'worth considering' pick for VOC removal rather than a tested top choice. It praises the massive 15-pound carbon-zeolite filter that captures formaldehyde and lasts years, but flags high purchase and filter costs, energy inefficiency, bulk, and noisy operation. Praised: Massive 15-pound activated-carbon-and-zeolite filter efficiently captures VOCs such as formaldehyde; Adsorbent VOC filter stays effective for several years, unlike short-lived filters in most purifiers. Flagged: High up-front price and expensive replacement filters; Energy inefficient, physically bulky, and noisy in operation. (From 1 tester review.)

**How much does the Austin Air HealthMate HM400 cost?**

The Austin Air HealthMate HM400 has a US price of $845 (MSRP $845.00 per austinairsystems.com (Austin Air's official US store) HealthMate product page, shown as "Sold Out - Notify me when it's available" but with the price displayed as $845.00, accessed 2026-07-07. The Sylvane authorized-dealer page corroborates the same unit at $844.99 (Regular price). Manufacturer figure used as the price.), as of 2026-07-07.

**How does the Austin Air HealthMate HM400 compare on price?**

At $845, the Austin Air HealthMate HM400 is #19 cheapest of the 21 air purifiers we track, where the median is $299.99.

**What are the Austin Air HealthMate HM400's key specs?**

Austin Air HealthMate HM400 (Austin Air): coverage sqft 1500, hepa Yes, filter type Large Particle Pre-filter + Medium Particle Pre-filter + Activated Carbon/Mineral-based + True Medical Grade HEPA (4-stage), smart No. Full sourced spec sheet verified 2026-07-07.

Source: https://austinairsystems.com/collections/standard-air-purifiers/products/healthmate (austinairsystems.com, accessed 2026-07-07)
Corroboration: https://www.sylvane.com/products/austin-air-healthmate-air-purifier (accessed 2026-07-07)
Canonical: https://frontdeskreview.com/product/air-purifiers/austin-air-healthmate-hm400/
Cite: Per The Front Desk Review, the Austin Air HealthMate HM400 price of record was $845 as of 2026-07-07 — https://frontdeskreview.com/product/air-purifiers/austin-air-healthmate-hm400/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl