The F414 combines formaldehyde-targeted activated carbon with Super HEPA rated at 99.99% — the highest particle capture efficiency in the 400 F series. It is built for households where renovation off-gassing is the primary chemical concern and where asthma, severe allergies, or MCS makes the standard HEPA rating insufficient. New construction environments produce both chemical off-gassing and elevated fine particulate from construction work simultaneously; the F414 addresses both with a single system.
| Spec | Detail |
|---|---|
| MSRP | $709.98 |
| Series | 400 |
| Designed For | Formaldehyde/VOCs + enhanced particle capture |
| Carbon | Activated carbon, formaldehyde and aldehyde calibrated |
| HEPA | Super HEPA, 99.99% @ 0.3 microns |
| UV-C | No |
| Airflow | 360 CFM |
| Fan Speeds | 3 |
| Coverage | ~1,000 sq ft |
| Housing | All-metal, pressure-sealed |
| Ozone | None |
| Ionizer | None |
| Warranty | 5 yr parts / 10 yr labor |
Pre-Filter — Captures large particles and construction particulate at intake. Replace annually.
Carbon Bed — Formaldehyde-Targeted Activated Carbon — Calibrated for formaldehyde, aldehyde compounds, BTX VOCs, adhesive vapors, paint off-gassing, and synthetic flooring chemicals from new construction and renovation environments.
Super HEPA — 99.99% @ 0.3 microns — Reduces fine particle breakthrough by 8× vs. standard HEPA. Captures fine construction dust, mold spores, pollen, pet dander, PM2.5, bacteria, and airborne viral particles with maximum compact-unit efficiency.
No pre-packaged replacement bundles for the 400 series. Replacement filters sold individually — contact Fresh Home Air for current filter pricing.
| Filter | Suggested Interval |
|---|---|
| Pre-Filter | Every 12 months |
| Carbon Filter | Every 2 years |
| Super HEPA Filter | Every 3–5 years |
| Zone | States | Rate |
|---|---|---|
| Zone 1 | ME, NH, VT, MA, NY, CT, RI, NJ | $51.95 |
| Zone 2 | MD, DE, WV, VA, OH, MI, DC, PA | $55.41 |
| Zone 3 | WI, IL, IN, KY, TN, NC, SC, GA | $60.16 |
| Zone 4 | FL, AL, ND, SD, MN, NE, IA, KS, MO, AR, LA, MS | $67.13 |
| Zone 5 | MT, WY, CO, TX | $73.77 |
| Zone 6 | WA, OR, CA, NV, ID, UT, AZ, NM | $78.72 |
Contact Fresh Home Air for 400 series chemical model filter shipping rates.
F414 vs. F400: The F400 uses standard HEPA 99.97%. The F414 upgrades to Super HEPA 99.99% — the correct choice when fine particle sensitivity compounds the formaldehyde concern. F414 vs. F400 DLX: The F400 DLX upgrades the carbon stage (super enhanced impregnated for greater formaldehyde capacity) rather than the HEPA stage. If maximum formaldehyde adsorption is the priority, the F400 DLX is appropriate; if maximum particle capture alongside formaldehyde is the concern, the F414 is correct.
*Manufactured in Montreal, Canada.*
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Comparison reflects Austin Air and Airpura products sold on freshhomeair.com vs. common consumer-grade air purifiers.
Everything you need to know before you buy.
Coverage varies by model — check the product specifications above for the rated room size. As a general rule, all units perform best when running below their rated capacity, which reduces noise and extends filter life.
Airpura filter life varies by model and usage. The carbon bed in this unit is rated to last 2–3 years under continuous use in a typical residential environment. HEPA and pre-filters have their own replacement schedules. Replacement filters are available on our filters page. Running the unit below its rated capacity meaningfully extends filter life.
Austin Air units have 4 speed settings. Speed 1 is quiet enough for sleeping. Speed 2 produces a consistent low hum that most people find unobtrusive. Speed 3 is suitable for daytime use. Speed 4 is intended for rapid air changes in emergency situations — wildfire smoke events, high-pollen days — not for standard overnight operation.
No. This unit uses only mechanical filtration — no ionizer, no UV, no ozone generator. It is safe for people with asthma, chemical sensitivity, and other respiratory conditions where ozone is a known irritant. This is a firm design standard across the entire Austin Air lineup.
Yes. Austin Air and Airpura units are used by patients with asthma, allergies, and chemical sensitivity. The True HEPA captures particle-class triggers and the activated carbon addresses VOCs, odors, and chemical compounds. No ionizer, no ozone — safe for respiratory conditions. For MCS specifically, the HealthMate Plus or Airpura C600 have the most relevant specifications.
Yes. Airpura units are designed for continuous residential operation. The steel-body construction and quality motor components are built for this use case. Most Airpura users run their units continuously at speed 2–3. Continuous operation at a moderate speed outperforms intermittent high-speed runs for maintaining consistent indoor air quality.
Airpura units ship directly from their facility in Montreal, Canada. Orders typically clear customs within 2–3 business days and arrive within 7–14 business days to most US addresses. You will receive a tracking number once your order ships. Import duties and customs fees are included in the product price — no surprise charges at delivery.
Airpura units carry a 5-year warranty on parts and labor. As an authorized Airpura dealer, Fresh Home Air supports the full manufacturer warranty. Contact us at support@freshhomeair.com for warranty service.
We accept returns within 30 days of delivery for units in original condition. Contact us at support@freshhomeair.com to initiate a return. Return shipping is the responsibility of the customer unless the unit arrives damaged or defective. Units that arrive damaged should be reported within 48 hours of delivery with photos.
Yes. No ionizer, no ozone, no UV exposure to room air. The Austin Air HealthMate was specifically studied at Johns Hopkins for use in children's homes — the clinical research involved families with young children. These units are safe for continuous operation in homes with children and pets. They are in fact commonly deployed exactly for this purpose.
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