Air Purifiers Comparison: Dyson TP04 vs Alen 45i

Compare detailed specifications, side-by-side differences, verified user reviews, and buying recommendations to help you make the right choice.

Dyson TP04

Dyson TP04

  • Brand Dyson
  • Portable TRUE
  • Width (inch) 8.77
  • Height (inch) 11.81
  • Weight (lbs) 10.89
Alen 45i

Alen 45i

  • Brand Alen
  • Portable TRUE
  • Width (inch) 15
  • Height (inch) 25
  • Weight (lbs) 0.66

Quick Verdict: Which One Should You Choose?

Deciding between the Dyson TP04 and the Alen 45i depends on your available space, storage capacity goals, and everyday usage style:

Best For Maximum Capacity

Dyson TP04

Designed for large households, bulk grocery shoppers, and long-term storage where total cubic feet is the highest priority.

  • Superior Volume: Easily stores bulk meats, frozen garden harvests, and family packs.
  • Cold Retention: Keeps food frozen significantly longer in power outages.
  • Energy Efficiency: Top-opening design keeps dense cold air trapped inside.
Best For Compact Spaces

Alen 45i

Ideal for apartments, offices, dorms, or secondary kitchen use where space efficiency and neat organization are paramount.

  • Space-Saving Footprint: Fits neatly under counters or in compact corners without intruding.
  • Upright Organization: Shelves allow you to organize and grab items without digging.
  • Everyday Convenience: Front-swing door provides quick, easy access anytime.

Specifications

Specification Dyson TP04 Alen 45i
General
Noise Level 48 23
Number Of Cleaning Stages — 5
Number Of Air Filters 2 2
Filtered Or Filterless Filtered Filtered
Features
HEPA Filter Yes Yes
Portable Yes Yes
Others HEPA Air Purifier and Tower Fan, 360° filtration system, 99. 97% pollutants as small as 0. 3 microns 5 Air quality colors & 800 sq. ft Space
Remove — Airborne allergens, dust, orders, pet smells, fur, bacteria, and mold spores
Timer — Yes
Physical
Weight (lbs) 10.89 0.66
Lenth (inch) 8.77 8.5
Height (inch) 11.81 25
Width (inch) 8.77 15
Cadr (clean Air Delivery Rate)
Smoke (CFM) — 245
Pollen (CFM) — 245
Dust (CFM) — 245

Frequently Asked Questions

The main differences center around storage capacity, form factor, and convenience. The Dyson TP04 provides extensive bulk storage capacity best suited for homes, garages, or basements needing deep freeze space. In contrast, the Alen 45i offers a compact upright design that fits into smaller spaces with convenient shelf organization.

Chest-style freezers generally excel in thermal efficiency because cold air naturally settles at the bottom and does not escape when the lid is lifted. Compact upright models have lower total kilowatt-hour usage simply due to their smaller cubic volume, making both designs efficient for their respective intended purposes.

Both products are available through official brand stores and authorized retailers with full manufacturer warranties and fast delivery options. Click the "Check Best Price" buttons in the comparison cards above to view today's latest promotions, official deals, and current availability.

Measure your available floor clearance first. If you have open space in a garage, basement, or utility room and want to freeze items in bulk, choose the Dyson TP04. If you have limited room in a kitchen, apartment, dorm, or office and prefer easy eye-level access to items, choose the Alen 45i.