22 facts in comparison
Coway Airmega Mighty AP-1512HH vs Honeywell Allergen Plus HPA4300
This comparison puts the Coway Airmega Mighty AP-1512HH and Honeywell Allergen Plus HPA4300 side by side — two Air Purifiers measured against the same 22-spec sheet, with every meaningful gap scored and explained. On our weighted VS Score the Coway Airmega Mighty AP-1512HH finishes ahead, 98 to 66 — a decisive result.
The most consequential difference is washable pre-filter — the Coway Airmega Mighty AP-1512HH has it, the Honeywell Allergen Plus HPA4300 does not. A transparency note before you dive in: the spec sheets are Coway Airmega Mighty AP-1512HH 95% and Honeywell Allergen Plus HPA4300 64% complete. Anything unverified shows as Unknown and is left out of the scores — we never estimate a missing value.
Where the Coway Airmega Mighty AP-1512HH beats the Honeywell Allergen Plus HPA4300
- A slightly higher coverage area ?361 sq ft vs 354 sq ft
- Has washable pre-filter ?
- A higher filter life ?12 months vs 9 months
- A slightly more compact design ?465 mm vs 480 mm
Where the Honeywell Allergen Plus HPA4300 beats the Coway Airmega Mighty AP-1512HH
- A slightly lighter build ?5.5 kg vs 5.6 kg
Key real-world differences
The spec sheet pulls in both directions. These are the gaps big enough to shape the decision — with the actual figures, and what each one means in real-world use.
- Washable pre-filterFiltrationYes vs No — only the Coway Airmega Mighty AP-1512HH has it
A rinseable pre-filter catches hair and large dust to extend filter life.
- Filter lifeFiltration12 months vs 9 months — 25% more for the Coway Airmega Mighty AP-1512HH
How long the main filter lasts before replacement.
Which one should you buy?
There is no single answer — it depends on what you will actually use it for. Match your priority to the pick below.
- Best for performance Coway Airmega Mighty AP-1512HH takes the category 100 to 43 — driven by coverage area (361 sq ft vs 354 sq ft).
- Best for filtration Coway Airmega Mighty AP-1512HH takes the category 100 to 63 — driven by washable pre-filter (Yes vs No).
- Best for design Honeywell Allergen Plus HPA4300 takes the category 100 to 0 — driven by weight (5.6 kg vs 5.5 kg).
- The safe all-rounder Coway Airmega Mighty AP-1512HH wins more of the categories that carry real weight, topping the overall VS Score at 98.
Where each one falls short
Coway Airmega Mighty AP-1512HH
- No major spec weaknesses in this matchup — the gaps that exist are small.
- 1 spec is unreported (shown as Unknown) and excluded from its scores.
Honeywell Allergen Plus HPA4300
- Washable pre-filter: Yes vs No
- Filter life: 12 months vs 9 months
- 8 specs are unreported (shown as Unknown) and excluded from its scores.
What matters to you?
Drag the sliders to weight each category and re-rank the products to suit your priorities.
Score breakdown
Performance
Filtration
Noise & power
Design
Smart features
Specs last verified September 4, 2026Coway Airmega Mighty AP-1512HH: 21 of 22 specs verified (95%)Honeywell Allergen Plus HPA4300: 14 of 22 specs verified (64%)Unverified specs show as Unknown — never estimated, never scored
What reviewers say
The bottom line
The Coway Airmega Mighty AP-1512HH is the clear winner, scoring 98 to 66 on our VS Score. It leads on Performance and Filtration. The Honeywell Allergen Plus HPA4300 answers back with stronger Design. Pick the Coway Airmega Mighty AP-1512HH unless Design matters most to you — then the Honeywell Allergen Plus HPA4300 is the smarter buy.
